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Alloy Steel 4140 Flanges Manufacturer | Astm A29 Aisi 4140 Forged Flange

Alloy Steel 4140 Flanges Manufacturer | Astm A29 Aisi 4140 Forged Flange

Specification Details
Flanges TypesSlip On, Lap Joint, Weld Neck, Long Weld Neck, Threaded, Blind, Companion
ClassPn 6, 150 Lbs, 300 Lbs, 10, 16, 25, 600 Lbs, 40, 900 Lbs, 64, 160, 100, 1500 Lbs, 2500 Lbs Asa 150, Asa 300
Size1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000
TypeRaised Face (rf), Large Male Female (lmf), Small Tongue, Flat Face (ff), Ring Type Joint (rtj), Lap Joint Face (ljf), Large Tongue & Groove, Small Male Female (smf), Groove

Alloy Steel 4140 Flanges Manufacturer | AISI 4140 ASTM A182 Weld Neck Flange

Nitech Stainless Inc. is a reputable Alloy Steel 4140 Flanges Manufacturer and it provides high-strength flanges that are used in highly industrialized processes. Alloy Steel 4140 Flanges are produced of chromium-molybdenum alloy steel that has high toughness, wear resistance and fatigue strength as well as high tensile properties. These flanges are commonly deployed in oil and gas, petrochemical, power generation, mining, and heavy engineering sectors where a high level of performance under pressure and temperature is crucial. Alloy Steel 4140 Flanges have high machinability and life cycle; hence, they can be used in challenging piping or structural pipelines and steel work. These flanges are available in weld neck specifications, slip-on, blind type, socket weld specifications, and threaded type, and are designed to provide a leak-free and secure connection in industrial piping networks.

Produced in compliance with ASTM, ASME, ANSI, and DIN standards, Alloy Steel 4140 Flanges offer excellent mechanical service and durability in adverse operating conditions. Distribution of these products is generally done via a stable b2b market to EPC contractors, fabrication companies, and industrial purchasers across the globe. Alloy steel F5 Flanges are also common with high-temperature piping systems and refinery usage due to their fine corrosion resistance and high-temperature strength. The Alloy Steel 4140 Flanges find wide applications in pressure vessels, hydraulic systems, steam pipelines, offshore platforms, chemical processing plants, and industrial machinery that needs a robust and reliable connection between the flanges.

Material & Grades Table – Alloy Steel 4140 Flanges

MaterialGradeStandardOD (mm)Thickness (mm)Weight (kg/m)
Alloy SteelAISI 4140ASTM A10515 – 15005 – 150As per size
Alloy Steel4140 AnnealedASME B16.515 – 15005 – 150As per size
Alloy Steel4140 NormalizedANSI B16.4715 – 15005 – 150As per size
Alloy Steel4140 QTDIN Standard15 – 15005 – 150As per size
Alloy SteelUNS G41400ASTM Standard15 – 15005 – 150As per size
Alloy SteelChromium-Molybdenum 4140ASME Standard15 – 15005 – 150As per size
The table provided above summarizes the standard and grade sizes and dimensions that are aptly utilized in the industrial piping systems with Alloy Steels 4140 Flanges. The design of these flanges ensures high mechanical strength, impact resistance, and high durability to high-pressure and high-temperature operating conditions and is therefore applicable in power plants, petrochemical plants, oil and gas field operations, hydraulic systems, and heavy engineering equipment.



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Countries We Export

  • India


Cities We Supply

  • Bangalore Urban

  • Hyderabad

  • Jaipur

  • Kalyan

  • Rampura

  • Sion, Mumbai

  • Surat

  • Thane

  • Gandhinagar

  • Rajahmundry

  • Panipat

  • Ahmadnagar

  • Ahmadpur

  • Bangalore Rural

  • Chandigarh

  • Chennai

  • Coimbatore

  • Haridwar

  • Jodhpur

  • Kolhapur

  • Mumbai

  • Murud (raigad)

  • Navi Mumbai

  • New Delhi

  • Rudrapur

  • Hosdurg

  • Durgapur

  • Ahmedabad

  • Jodhpur (ahmedabad)

  • Kolkata

  • Mumbai Suburban

  • Nashik

  • Raipur

  • Rajkot

  • Varanasi

  • Visakhapatnam

  • Angul

  • Bengaluru

  • Lucknow

  • Nagpur

  • Pune

  • Moradabad

  • Bharuch


Industries We Serve

  • Oil And Gas Industries industry

    Oil And Gas Industries

  • Gasket Industry industry

    Gasket Industry

  • Sugar industry

    Sugar

  • Automobile Industry industry

    Automobile Industry

  • Defense Industry industry

    Defense Industry

  • Construction & Fabrications industry

    Construction & Fabrications

  • Paper Mill industry

    Paper Mill

  • Bridge And Building industry

    Bridge And Building

  • Aerospace Industries industry

    Aerospace Industries

  • Railways industry

    Railways

  • Pharmaceuticals Industry industry

    Pharmaceuticals Industry

  • Power Plant industry

    Power Plant

  • Electrical Industry industry

    Electrical Industry

  • Ring Man Units industry

    Ring Man Units


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