Stainless Steel 431 Tubes

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 Stainless Steel 431 Tubes

Amardeep is a renowned supplier and exporter, known for delivering high-quality products in compliance with the Stainless Steel 431 Tubes. SS 431 Tubes, also known as DIN EN 1.4057 or X17CrNi16-2 stainless steel, belong to the category of nickel-containing martensitic stainless steels. This material exhibits superior corrosion resistance and mechanical properties when compared to straight chromium stainless steel. Identified as a rust- and acid-resistant martensitic chromium steel with added nickel, the 1.4057 grade boasts improved resistance to intergranular corrosion through surface polishing.

Often referred to as AISI 431, SS 431 is a martensitic stainless steel that combines exceptional impact strength at high hardness levels with the best corrosion resistance among its martensitic counterparts. Noteworthy for its high polishability, this steel is suitable for applications up to a working temperature of 500 degrees Celsius. The steel grade SS431 / 1.4057 (also known as ASTM 431 and SS2321) is characterized by high tensile strength and good machinability, making it ideal for the production of corrosion-resistant components through machining, especially in environments where resistance to strong oxidizing acids, such as nitric acid, is required.

SS431 stainless steel, also denoted as 4057 or 1.4057, is a widely used martensitic stainless steel grade. It is designated as 1.4057 or X17CrNi16-2 according to EN norms and UNS S43100 according to UNS norms. The SS 431 Tubes is a high chromium-low nickel martensitic stainless steel with excellent hardenability, high strength, and good corrosion resistance. Typically supplied in a hardened and tempered condition with a tensile range of 850 to 1000 Mpa (condition T) and a Brinell range of 248 to 302, it exhibits very good corrosion resistance in general atmospheric environments. Additionally, it shows resistance to mild marine and industrial atmospheres, various organic materials, nitric acid, and petroleum products. The steel's high tensile and yield strength, coupled with excellent toughness in the hardened and tempered state, make it a suitable choice for diverse applications. Due to its exceptional hardenability, SS 431 can be through-hardened up to Rc44, depending on carbon content and section size.

Specification of Stainless Steel 431 Tubes

Thickness 0.5mm-100mm
Outer diameter 10mm, 25.4mm, 38.1mm, 50.8mm, 100mm, 250mm, 300mm, 350mm, etc
Length 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Surface 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc
Finish Hot rolled  (HR), Cold rolled Tube (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Form Round tube Square tube Rectangular tube etc.

Stainless Steel 431 Tubes Chemical Composition

Grade C Mn Si P S Cr Ni
431 min.











Stainless Steel 431 Tubes Physical Properties

Density (kg/m3) Electrical Resistivity (nΩ.m) Thermal Conductivity (W/m.K) Specific Heat
0-100°C (J/kg.K)
Thermal expansion (μm/m/°C)
7800 720 20.2 at 100°C 460 12.1

Stainless Steel 431 Tubes Mechanical Properties

Tempering Temperature (°C) Tensile Strength (MPa) Yield Strength 0.2% Proof (MPa) Elongation (% in 50mm) Hardness Brinell (HB) Impact Charpy V (J)
Annealed * 862 655 20 285 max
204 1345 1055 20 388 50
316 1295 1035 19 375 53
427 1350 1080 19 388 #
538 1140 965 19 321 #
593 1015 770 20 293 64
650 960 695 20 277 84

Stainless Steel 431 Tubes Weight Chart

SS 431 Tube Size(mm) SS431 Tube Weight per Unit Area(kg/m)
6*1 0.125
6*1.5 0.168
8*1 0.174
8*1.5 0.243
10*1 0.224
10*1.5 0.318
12*1 0.274
12*1.5 0.392
12*2 0.498
14*1 0.324
14*2 0.598
14*3 0.822
16*2 0.697
16*3 0.971
17*3 1.046
18*1 0.423
18*1.5 0.617
18*2 0.797
18*3 1.121
20*1 0.473
20*2 0.897
20*3 1.27
21*3 1.345
22*2 0.996
22*2.5 1.214

Supply and Exporter of Stainless Steel 431 Tubes in Countries like

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Supply and Exporter of Stainless Steel 431 Tubes in Cities like

Pimpri-Chinchwad, Chandigarh, Kuwait City, Ulsan, Ankara, Geoje-si, Hanoi, Noida, Secunderabad, Sharjah, Los Angeles, Ahmedabad, Caracas, Al Khobar, Mexico City, Jaipur, New York, Tehran, Gimhae-si, Muscat, Jakarta, Montreal, Perth, Chiyoda, Madrid, Pune, Baroda, Nagpur, Ludhiana, Surat, Melbourne, Lagos, Bengaluru, Kuala Lumpur, Algiers, Ernakulam, Haryana, Courbevoie, London, Dammam, Brisbane, Thane, Aberdeen, Hong Kong, Doha, Houston, Ahvaz, Bogota, Bangalore, Cochin, Anand, Nadiad, ankleshwar, Bharuch, vapi, Valsad, Medak, Godavari, Mumbai, Dallas, Santiago, Bangkok, New Delhi, Ranchi, Hyderabad, Lahore, Indore, Jeddah, Singapore, Kanpur, Moscow, Coimbatore, Seoul, Navi Mumbai, Granada, Chennai, Sydney, Istanbul, Colombo, Faridabad, Dubai, Howrah, Toronto, Rajkot, Karachi, Milan, Bhopal, Nashik, Cairo, Riyadh, Edmonton, Rio de Janeiro, Kolkata, La Victoria, Vung Tau, Gurgaon, Ho Chi Minh City, Thiruvananthapuram, Visakhapatnam, Petaling Jaya, Atyrau, Vadodara, Jamshedpur, Abu Dhabi, Al Jubail, Manama, Busan, Calgary, Port-of-Spain.

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