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Stainless Steel

Stainless Steel

Stainless steel is a durable alloy made with chromium, providing exceptional resistance to rust and corrosion. Its strength, long lifespan, and sleek finish make it a popular choice across industries like construction, automotive, and aerospace. Stainless steel is used in a variety of components, including pipes, tubes, flanges, fasteners, fittings, and round bars, all essential for reliable and high-performance applications.

Specifications

Specification ASTM A182 / A403 & ASME SA182 / SA403
Grades 201, 202, 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L
Stainless Steel Pipe Fittings Type Seamless / Welded / Fabricated Buttweld Stainless Steel Pipe Fittings High Pressure Forged Stainless Steel Pipe Fittings Stainless Steel Flanges
Buttweld Bending Radius R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Range ½” NB to 48″ NB in Sch 10s, 40s, 80s, 160s, XXS.
Dimensions ANSI/ASME B16.9, B16.28, MSS-SP-43.

Chemical Composition

Grade C Cr Ni Mo Others
304 0.08 18.0~20.0 8.00~10.50 - -
304L ~0.030 18.0~20.0 9.00~13.00 - -
310S ~0.08 24.0~26.0 19.0~22.0 - -
316 ~0.08 16.0~18.0 10.0~14.0 2.00~3.00 -
316L ~0.08 16.0~18.0 12.0~15.0 2.00~3.00 -
316Ti 0.08 16.0~18.0 10.0~14.0 2.00~3.00 Ti 5xC%~
317L 0.03 18.0~22.0 11.0~15.0 3.00~4.00 -
321 ~0.08 17.0~19.0 9.00~13.0 - Ti 5xC%~
347 0.08 17.0~19.0 9.00~13.0 - Nb10xC%~

Mechinical Information

Grade Yield Strength (0.2%) (N/mm²) Tensile Strength (N/mm²) Elongation (%) Hardness (Hv)
304 205~ 520~ 40~ ~200
304L 175~ 480~ 40~ ~200
310S 205~ 520~ 40~ ~200
316 205~ 520~ 40~ ~200
316L 175~ 480~ 40~ ~200
316Ti 205~ 520~ 40~ ~200
317L 175~ 480~ 40~ ~200
321 205~ 520~ 40~ ~200
347 205~ 520~ 40~ ~200

Physical Properties

Grade Specific Heat (J/g·°C) Specific Gravity Thermal Expansion Coefficient (W/m·°C, 20-100°C) Thermal Conductivity (W/m·°C, 100°C)
304 0.50 7.93 17.3 16.3
304L 0.50 7.93 17.3 16.3
310S 0.50 7.98 15.9 14.2
316 0.50 7.98 15.9 16.3
316L 0.50 7.98 15.9 16.3
316Ti 0.50 7.98 15.9 16.3
317L 0.486 7.98 16.5 14.4
321 0.50 7.93 16.7 16.1
347 0.50 7.98 16.7 16.1

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PRAYAG STEEL is a leading Stockist & Supplier of Stainless Steel Ferrous & Non-Ferrous Metals, Industrial Raw Materials in Sheets, Plates, Hex, Square, Wires, Flats, Strips, Tubes, Flanges, Pipe Fittings, Bolt, Nuts & all Fasteners in percentage items etc.

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