Name: 41l40 Alloy Steel Round Bar | High Quality & Precision Engineering
Rating: 5 (127 reviews)

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<span style="color: rgb(85, 85, 85); background-color: transparent; box-shadow: none;"><b>41L40 Alloy Steel Round Bar</b> is a leaded <i>chromium-molybdenum alloy steel</i> that is specifically designed to serve in the field that demand high machinability, strength and even dimensional accuracy. The grade is a lead-enriched form of 4140 in which the lead addition is used to enhance the chip-forming characteristics and decrease tool life in high-speed machining with little impact on mechanical properties.</span>

</div><p><span style="letter-spacing: 0.4px;"><i>Good hardenability</i> and <i>sound performance</i> of 41L40 Alloy Steel Round Bar is guaranteed by metallurgical composition after heat treatment like quenching and tempering. It has a good balance between the hardness of the surface and toughness of the core thus it finds use in precision components of moderate-high stress. Stability of the material during machining is important in components with close tolerance and this is essential.</span></p><div>41L40 Alloy steel Round Bar has <u>good fatigue</u> and <u>impact strength</u>, performing in the dynamic operation regime. Its high machinability is very cost effective in terms of mass production since it minimizes the cycle times and the total cost of manufacturing. Regardless of the lead content, the alloy still has reliable structural integrity under rigorous industrial purposes.
</div><div>Typical uses are in <i>automotive parts, hydraulic fittings, gears, shafts, spindles, fasteners</i> and <i>machine parts </i>where there is a demand in precision machining and mechanical reliability. Its strength, machinability and durability make 41L40 Alloy Steel Round Bar a favorite in high output manufacturing industry.
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<h2 style="background-color: transparent; box-shadow: none; color: black;"><strong data-start="1742" data-end="1791" style="background-color: transparent; box-shadow: none; color: black;">Specifications of 41L40 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="1793" data-end="2312" 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="1793" data-end="1824"><tr data-start="1793" data-end="1824" style="border: none;"><th data-start="1793" data-end="1809" 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="1795" data-end="1808" style="">Parameter</span></th><th data-start="1809" data-end="1824" 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="1811" data-end="1822" style="">Details</span></th></tr></thead><tbody data-start="1856" data-end="2312"><tr data-start="1856" data-end="1877" style="border: none;"><td data-start="1856" data-end="1868" 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="1858" data-end="1867">Grade</span></td><td data-start="1868" data-end="1877" 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;">41L40</td></tr><tr data-start="1878" data-end="1915" style="border: none; background: rgb(248, 251, 255);"><td data-start="1878" data-end="1895" 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="1880" data-end="1894">Equivalent</span></td><td data-col-size="md" data-start="1895" data-end="1915" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">AISI 4140 Leaded</td></tr><tr data-start="1916" data-end="1940" style="border: none;"><td data-start="1916" data-end="1927" 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="1918" data-end="1926">Form</span></td><td data-start="1927" data-end="1940" 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;">Round Bar</td></tr><tr data-start="1941" data-end="1979" style="border: none; background: rgb(248, 251, 255);"><td data-start="1941" data-end="1956" 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="1943" data-end="1955">Standard</span></td><td data-col-size="md" data-start="1956" data-end="1979" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">ASTM A29 / SAE J404</td></tr><tr data-start="1980" data-end="2019" style="border: none;"><td data-start="1980" data-end="2001" 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="1982" data-end="2000">Diameter Range</span></td><td data-col-size="md" data-start="2001" data-end="2019" 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 – 500 mm</td></tr><tr data-start="2020" data-end="2065" style="border: none; background: rgb(248, 251, 255);"><td data-start="2020" data-end="2033" 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="2022" data-end="2032">Length</span></td><td data-start="2033" data-end="2065" 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="2066" data-end="2116" style="border: none;"><td data-start="2066" data-end="2082" 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="2068" data-end="2081">Condition</span></td><td data-col-size="md" data-start="2082" data-end="2116" 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 / Hardened &amp; Tempered</td></tr><tr data-start="2117" data-end="2165" style="border: none; background: rgb(248, 251, 255);"><td data-start="2117" data-end="2138" 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="2119" data-end="2137">Surface Finish</span></td><td data-col-size="md" data-start="2138" data-end="2165" 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="2166" data-end="2212" style="border: none;"><td data-start="2166" data-end="2187" 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="2168" data-end="2186">Heat Treatment</span></td><td data-col-size="md" data-start="2187" data-end="2212" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Quenching &amp; Tempering</td></tr><tr data-start="2213" data-end="2246" style="border: none; background: rgb(248, 251, 255);"><td data-start="2213" data-end="2233" 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="2215" data-end="2232">Machinability</span></td><td data-col-size="md" data-start="2233" data-end="2246" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Excellent</td></tr><tr data-start="2247" data-end="2312" style="border: none;"><td data-start="2247" data-end="2266" 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="2249" data-end="2265">Applications</span></td><td data-col-size="md" data-start="2266" data-end="2312" style="border: 1px solid rgb(0, 74, 173); padding: 2px; text-align: center; min-width: 45px; color: rgb(77, 77, 77); background-color: transparent;">Automotive, Gears, Shafts, Precision Parts</td></tr></tbody></table></div></div></div></div></div><div>
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Buy Premium 41l40 Alloy Steel Round Bars For Superior Strength, Machinability, And Durability. Ideal For Industrial Applications. Available In Various Sizes!

41l40 Alloy Steel Round Bar | High Quality & Precision Engineering

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Nippon Alloys Inc is a leading 41l40 Alloy Steel Round Bar Manufacturer in India. 41L40 alloy steel round bar is a low-carbon steel with high manganese content, offering a good balance of strength, toughness, and ease of machining. It is commonly used in applications that require higher strength and hardness than standard carbon steels, such as automotive parts, fasteners, and structural components. The alloying elements in 41L40, primarily manganese, silicon, and molybdenum, contribute to its enhanced hardenability and resistance to wear. This makes it ideal for situations where components are subject to moderate to high stress and fatigue.
These round bars are available in hot-rolled, cold-drawn, and quenched-and-tempered conditions, depending on the required mechanical properties. The presence of molybdenum enhances the steel’s strength and toughness, while chromium improves its wear resistance and corrosion resistance to a certain extent. 41L40 steel is often chosen over standard 4140 steel when precision machining is a priority, reducing tool wear and improving production efficiency. Due to its versatility and excellent machinability, 41L40 alloy steel round bars are commonly used in aerospace, automotive, defense, and heavy machinery industries.

41L40 ALLOY STEEL ROUND BAR