20mn2 Alloy Steel Round Bar

Pl32851948 Tg_aisi_h21_annealed_70mm_forged_steel_round_bars.png

<p data-start="268" data-end="681" style="background-color: transparent; box-shadow: none; color: black;">Alloy steel that is used in manufacturing of <b>20Mn2 Alloy Steel Round Bar</b> is <i>low-carbon manganese alloy steel</i> that has high application in terms of <i>good strength, high toughness</i> and <i>good wear resistance</i>. Manganese increases the <i>hardenability</i> and the <i>impact strength</i>, and hence this grade is applicable to those components subject to moderate stress levels as well as dynamic loading.
</p><p data-start="268" data-end="681" style="background-color: transparent; box-shadow: none; color: black;">The 20Mn2 Alloy steel Round Bar is known to have a <i>dependable mechanical behavior</i> and is actually very good when subjected to heat treatment procedures including <i>carburizing, hardening</i> and <i>tempering</i>. These processes increase the hardness of the surface and still retain <i>tough ductile core</i>. The material is also machinable in the annealed state providing good machinability enabling it to be shaped accurately and produced at low costs.
</p><p data-start="268" data-end="681" style="background-color: transparent; box-shadow: none; color: black;">The 20Mn2 Alloy Steel Round Bar is made of a <i>balanced strength</i> and <i>good life</i> with a durability that is normally used in manufacturing of <i>gears, shafts, pins, bushings</i>, and other automotive and engineering parts. It is used in both stationary and mobile components giving the same performance even in cases of repeated loading.
</p><p data-start="268" data-end="681" style="background-color: transparent; box-shadow: none; color: black;">Automobiles, power transmission, agriculture machinery and other general engineering industries use 20Mn2 Alloy Steel Round Bar due to its reliable quality, dimensional stability, and extended service life in the harsh operating conditions.
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<h2 style="background-color: transparent; box-shadow: none; color: black;"><strong data-start="1416" data-end="1465" style="background-color: transparent; box-shadow: none; color: black;">Specifications of 20Mn2 Alloy Steel Round Bar</strong></h2>
<div class="TyagGW_tableContainer" style="background-color: transparent; box-shadow: none; color: black;"><div tabindex="-1" class="group TyagGW_tableWrapper flex w-fit flex-col-reverse" style="background-color: transparent; box-shadow: none; color: black;"><div class="custom-table-wrapper" style="overflow-x: auto; margin-bottom: 20px; font-size: 13px;"><table data-start="1467" data-end="1963" style="border-collapse: collapse; width: 100%; border-top: none; border-right: none; border-bottom: 5px solid rgb(0, 74, 173); border-left: none; border-image: initial; margin-bottom: 20px;"><thead data-start="1467" data-end="1498"><tr data-start="1467" data-end="1498" style="border: none;"><th data-start="1467" data-end="1483" data-col-size="sm" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;"><span data-start="1469" data-end="1482" style="">Parameter</span></th><th data-start="1483" data-end="1498" data-col-size="md" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;"><span data-start="1485" data-end="1496" style="">Details</span></th></tr></thead><tbody data-start="1530" data-end="1963"><tr data-start="1530" data-end="1551" style="border: none;"><td data-start="1530" data-end="1542" data-col-size="sm" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;"><span data-start="1532" data-end="1541">Grade</span></td><td data-col-size="md" data-start="1542" data-end="1551" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">20Mn2</td></tr><tr data-start="1552" data-end="1576" style="border: none; background: rgb(248, 251, 255);"><td data-start="1552" data-end="1563" data-col-size="sm" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;"><span data-start="1554" data-end="1562">Form</span></td><td data-col-size="md" data-start="1563" data-end="1576" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Round Bar</td></tr><tr data-start="1577" data-end="1614" style="border: none;"><td data-start="1577" data-end="1592" data-col-size="sm" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;"><span data-start="1579" data-end="1591">Standard</span></td><td data-col-size="md" data-start="1592" data-end="1614" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">IS / EN Equivalent</td></tr><tr data-start="1615" data-end="1654" style="border: none; background: rgb(248, 251, 255);"><td data-start="1615" data-end="1636" data-col-size="sm" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;"><span data-start="1617" data-end="1635">Diameter Range</span></td><td data-col-size="md" data-start="1636" data-end="1654" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">10 mm – 450 mm</td></tr><tr data-start="1655" data-end="1700" style="border: none;"><td data-start="1655" data-end="1668" data-col-size="sm" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;"><span data-start="1657" data-end="1667">Length</span></td><td data-start="1668" data-end="1700" data-col-size="md" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Up to 6 meters / Cut to size</td></tr><tr data-start="1701" data-end="1764" style="border: none; background: rgb(248, 251, 255);"><td data-start="1701" data-end="1717" data-col-size="sm" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;"><span data-start="1703" data-end="1716">Condition</span></td><td data-col-size="md" data-start="1717" data-end="1764" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Annealed / Normalized / Hardened &amp; Tempered</td></tr><tr data-start="1765" data-end="1813" style="border: none;"><td data-start="1765" data-end="1786" data-col-size="sm" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;"><span data-start="1767" data-end="1785">Surface Finish</span></td><td data-col-size="md" data-start="1786" data-end="1813" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Black / Bright / Peeled</td></tr><tr data-start="1814" data-end="1873" style="border: none; background: rgb(248, 251, 255);"><td data-start="1814" data-end="1835" data-col-size="sm" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;"><span data-start="1816" data-end="1834">Heat Treatment</span></td><td data-col-size="md" data-start="1835" data-end="1873" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Carburizing, Hardening &amp; Tempering</td></tr><tr data-start="1874" data-end="1902" style="border: none;"><td data-start="1874" data-end="1894" data-col-size="sm" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;"><span data-start="1876" data-end="1893">Machinability</span></td><td data-col-size="md" data-start="1894" data-end="1902" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Good</td></tr><tr data-start="1903" data-end="1963" style="border: none; background: rgb(248, 251, 255);"><td data-start="1903" data-end="1922" data-col-size="sm" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;"><span data-start="1905" data-end="1921">Applications</span></td><td data-col-size="md" data-start="1922" data-end="1963" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Gears, Shafts, Pins, Automotive Parts</td></tr></tbody></table></div></div></div></div><p data-start="268" data-end="681" style="background-color: transparent; box-shadow: none; color: black;"><br><br></p><p data-start="268" data-end="681" style="background-color: transparent; box-shadow: none; color: black;">
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Premium 20mn2 Alloy Steel Round Bars With High Toughness, Wear Resistance, And Machinability—ideal For Shafts, Axles, And Heavy Duty Engineering Parts.

Top Quality 20mn2 Alloy Steel Round Bar Manufacturer In India

Round bar

Alloy steel round bars

20mn2 alloy steel round bar

20mn2 Alloy Steel Round Bar Manufacturer In India

20mn2 Alloy Steel Round Bar Supplier In India

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<h6 class="sr-only" style="background-color: transparent; box-shadow: none; color: black;"><b><br></b></h6><div class="text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm/main:[--thread-content-margin:--spacing(6)] @w-lg/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)" style="background-color: transparent; box-shadow: none;"><div class="[--thread-content-max-width:40rem] @w-lg/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn" tabindex="-1" style="background-color: transparent; box-shadow: none;"><div class="flex max-w-full flex-col grow" style="background-color: transparent; box-shadow: none;"><div data-message-author-role="assistant" data-message-id="6cd99f4c-bba7-43d2-a4d0-e6bec49e8f90" dir="auto" class="min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+&amp;]:mt-1" data-message-model-slug="gpt-5-1" style="background-color: transparent; box-shadow: none;"><div class="flex w-full flex-col gap-1 empty:hidden first:pt-[1px]" style="background-color: transparent; box-shadow: none;"><div class="markdown prose dark:prose-invert w-full break-words light markdown-new-styling" style="background-color: transparent; box-shadow: none;"><p data-start="0" data-end="457" style="background-color: transparent; box-shadow: none;"><font color="#000000"><b>Nippon Alloys Inc</b> is one of the reliable&nbsp;<b>20mn2 Alloy Steel Round Bar</b>&nbsp;<b>manufacturers </b>that has been known to provide durable and accurately engineered bars which can be used in the manufacture of automotive parts, machinery components, and structural use. These bars are very hardenable, toughenable, and consistent in their medium-load operations.</font></p><p data-start="0" data-end="457" style="background-color: transparent; box-shadow: none;"><font color="#000000">• Excellent wear resistance
</font></p><p data-start="0" data-end="457" style="background-color: transparent; box-shadow: none;"><font color="#000000">• Multiple diameters finish of surface.
</font></p><p data-start="0" data-end="457" style="background-color: transparent; box-shadow: none;"><font color="#000000">• Customer length customization of diverse applications.</font></p><p data-start="0" data-end="457" style="background-color: transparent; box-shadow: none;"><font color="#000000"><br></font></p></div></div></div></div></div></div></div><p class="pf0" style="background-color: transparent; box-shadow: none; color: black;"><span class="cf0" style="background-color: transparent; box-shadow: none; color: black;">We test our bars of 20Mn2 alloy steel against consistency and we are backed up by our <b>b2b portal</b>, hence sourcing our products becomes quicker and simpler among the industrial customers. They are suitable in shafts, fasteners, and those heavy duty equipment that should be dependable.</span></p><p class="pf0" style="background-color: transparent; box-shadow: none; color: black;"><span class="cf0" style="background-color: transparent; box-shadow: none; color: black;">• Stringent tolerances and batch uniformity.
</span></p><p class="pf0" style="background-color: transparent; box-shadow: none; color: black;"><span class="cf0" style="background-color: transparent; box-shadow: none; color: black;">• Fabrication machinability is good.
</span></p><p class="pf0" style="background-color: transparent; box-shadow: none; color: black;"><span class="cf0" style="background-color: transparent; box-shadow: none; color: black;">• Consistent delivery, service and speedy supply.</span></p><p class="pf0" style="background-color: transparent; box-shadow: none; color: black;"><span class="cf0" style="background-color: transparent; box-shadow: none; color: black;"><br></span></p><h2 style="background-color: transparent; box-shadow: none; color: black;">Chemical Composition – 20Mn2 Alloy Steel Round Bar</h2><div><div>
<div class="custom-table-wrapper" style="overflow-x: auto; margin-bottom: 20px; font-size: 13px;"><table style="border-collapse: collapse; width: 100%; border-top: none; border-right: none; border-bottom: 5px solid rgb(0, 74, 173); border-left: none; border-image: initial; margin-bottom: 20px;"><thead><tr style="border: none;"><th style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Element</th><th style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Percentage (%)</th></tr></thead><tbody><tr style="border: none;"><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Carbon (C)</td><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">0.17 – 0.24</td></tr><tr style="border: none; background: rgb(248, 251, 255);"><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Manganese (Mn)</td><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">1.40 – 1.80</td></tr><tr style="border: none;"><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Silicon (Si)</td><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">0.10 – 0.35</td></tr><tr style="border: none; background: rgb(248, 251, 255);"><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Sulphur (S)</td><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">≤ 0.040</td></tr><tr style="border: none;"><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Phosphorus (P)</td><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">≤ 0.040</td></tr><tr style="border: none; background: rgb(248, 251, 255);"><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Iron (Fe)</td><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Balance</td></tr></tbody></table></div>

</div><h2>Mechanical Properties – 20Mn2 Alloy Steel Round Bar</h2><div>
<div class="custom-table-wrapper" style="overflow-x: auto; margin-bottom: 20px; font-size: 13px;"><table style="border-collapse: collapse; width: 100%; border-top: none; border-right: none; border-bottom: 5px solid rgb(0, 74, 173); border-left: none; border-image: initial; margin-bottom: 20px;"><thead><tr style="border: none;"><th style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Property</th><th style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Value</th></tr></thead><tbody><tr style="border: none;"><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Tensile Strength</td><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">540 – 690 MPa</td></tr><tr style="border: none; background: rgb(248, 251, 255);"><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Yield Strength</td><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">≥ 355 MPa</td></tr><tr style="border: none;"><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Elongation</td><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">≥ 16%</td></tr><tr style="border: none; background: rgb(248, 251, 255);"><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Hardness (Brinell)</td><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">170 – 220 HB</td></tr><tr style="border: none;"><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Impact Strength</td><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Good</td></tr><tr style="border: none; background: rgb(248, 251, 255);"><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Reduction of Area</td><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">≥ 40%</td></tr></tbody></table></div>

</div><h2>Physical Properties – 20Mn2 Alloy Steel Round Bar</h2></div><div><div>
<div class="custom-table-wrapper" style="overflow-x: auto; margin-bottom: 20px; font-size: 13px;"><table style="border-collapse: collapse; width: 100%; border-top: none; border-right: none; border-bottom: 5px solid rgb(0, 74, 173); border-left: none; border-image: initial; margin-bottom: 20px;"><thead><tr style="border: none;"><th style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Property</th><th style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Value</th></tr></thead><tbody><tr style="border: none;"><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Density</td><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">7.85 g/cm³</td></tr><tr style="border: none; background: rgb(248, 251, 255);"><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Melting Point</td><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">~1420°C</td></tr><tr style="border: none;"><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Thermal Conductivity</td><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">46 W/m·K</td></tr><tr style="border: none; background: rgb(248, 251, 255);"><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Modulus of Elasticity</td><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">210 GPa</td></tr><tr style="border: none;"><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Electrical Resistivity</td><td style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">0.15 µΩ·m</td></tr></tbody></table><b>20Mn2 Alloy Steel Round Bar</b> is a medium carbon manganese steel known for its good strength, toughness, and wear resistance. It offers excellent mechanical properties after heat treatment, making it suitable for applications requiring durability and load-bearing performance. This alloy steel exhibits good machinability and moderate weldability, allowing it to be easily fabricated into precision components. Commonly used in automotive and engineering industries, 20Mn2 Alloy Steel Round Bars are ideal for manufacturing <b>shafts, axles, gears, forgings, and structural parts</b>. Their reliable performance under stress and impact conditions makes them a preferred choice for heavy-duty industrial and mechanical applications.</div></div></div>

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20MN2 ALLOY STEEL ROUND BAR