Stainless Steel EFW 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 EFW Pipes using state-of-art technology. Our range includes ASTM A312 347/347H Stainless Steel EFW 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 EFW 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'.
| 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 |
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Electrical Properties |
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Electrical resistivity ( µOhm.cm ) |
70-73 |
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Mechanical Properties |
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Elongation at break ( % ) |
<60 |
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Hardness - Brinell |
160-190 |
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Izod impact strength ( J.m-1 ) |
20-136 |
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Modulus of elasticity ( GPa ) |
190-210 |
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Tensile strength ( MPa ) |
520-1100 |
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Physical Properties |
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Density ( g.cm-3 ) |
7.93 |
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Melting point (°C ) |
1400-1425 |
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Thermal Properties |
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Coefficient of thermal expansion ( x10-6 K-1 ) |
16-18 @ 20-100°C |
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Maximum use temperature in air ( °C ) |
800 |
KOBSINDIA exports Stainless Steel EFW 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.
