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ASTM A312 347/347H Stainless Steel ERW Pipes

High quality Stainless Steel ERW Pipes is all made and controlled to the relevant standards such as: ASME, ASTM, BS and DIN/WERKSTOFFE. KOBSINDIA offer ASTM A312 347/347H Stainless Steel EFW Pipes high quality, favorable price! ASTM A312 347/347H Stainless Steel EFW Pipes in large & small min mill quantities.

Stainless Steel ERW Pipes of premium quality is supplied by KOBSINDIA, per ASTM A 213, ASTM A 269 and ASTM A 511. Not only we stock standard sizes and grades of Seamless tubes  in Stainless Steel SS304 & SS316, but we also do maintain huge inventories of Alloy Steel based pipes in  304H, 309/S, 310/S, 317/L, 321H, 347H, Alloy 20, Duplex 2205, Duplex 2507, Alloy 200/201, C276, Alloy 400, Alloy 600, Alloy 625, Alloy 800H, Alloy 800HT, 254SMO, AL6XN and others. ASTM A312 347/347H Stainless Steel EFW Pipes, the pipe shall be suitable for bending, flanging, and similar forming operations, and for fusion welding.

KOBSINDIA has pride in providing a whole range of high-class, customizable and innovative ASTM A312 347/347H Stainless Steel ERW Pipes using state-of-art technology. Our range includes ASTM A312 347/347H Stainless Steel ERW Pipes, Stainless Steel Seamless pipes & Tubes, Carbon Steel Seamless Pipes & Tubes and Alloy Steel Seamless Pipes & Tubes. For more than five decades, KOBSINDIA has been serving the needs of the oil and gas industries, automotive, shipbuilding, power plants. All the supply records for most of the severe environment of ASTM A312 347/347H Stainless Steel EFW Pipes & pipe line indicate that KOBSINDIA is the leader in line pipe technologies.

We have been supplying high quality ASTM A312 347/347H Stainless Steel ERW Pipes with most advance technology and with most reliable quality. We place importance not just on managing material sales, but also on 'before' and 'after service'.


  • Oil Industry
  • Gas Industry
  • Refrigeration Industry
  • Filtration Industry
  • Petrochemical Industry
  • Offshore Industry


Outer Diameter (OD) of Welded Pipe 1/8" to 36"
Grades in Stainless Steel 300 Series of Welded Pipes 304, 304L, 304H, 309S, 309H,310S,310S,316L,317L,321,321H,347, 347H
Grades in Stainless Steel 400 Series of Welded Pipes 410, 410S
Alloy Steel Grades of Welded Pipes Alloy 20, 200, 400,600,601,625,825H,825HT,C276, Duplex 2205, Duplex 2507


Electrical Properties


Electrical resistivity ( µ )


Mechanical Properties


Elongation at break ( % )


Hardness - Brinell


Izod impact strength ( J.m-1 )


Modulus of elasticity ( GPa )


Tensile strength ( MPa )


Physical Properties


Density ( )


Melting point (°C )


Thermal Properties


Coefficient of thermal expansion ( x10-6 K-1 )

16-18 @ 20-100°C

Maximum use temperature in air ( °C )


KOBSINDIA exports Stainless Steel ERW Pipes to countries like UAE, Bahrain, Italy, Indonesia, Malaysia, United States, Mexico, Chine, Brazil, Peru, Nigeria, Kuwait, Jordan, Dubai, Thailand (Bangkok), Venezuela, Iran, Germany, UK, Canada, Russia, Turkey, Australia, New Zealand, Sri Lanka, Vietnam, South Africa, Kazakhstan & Saudi Arabia.

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