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. Stainless Steel ASTM A213 304/304L/304H Stainless Steel ERW 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 A213 304/304L/304H Stainless Steel ERW Pipes using state-of-art technology. Our range includes ASTM A213 304/304L/304H 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 A213 304/304L/304H Stainless Steel ERW Pipes & pipe line indicate that KOBSINDIA is the leader in line pipe technologies.
We have been supplying high quality ASTM A213 304/304L/304H 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'.
| 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 |
|
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
|
|
304 |
min. max. |
- 0.08 |
- 2.0 |
- 0.75 |
- 0.045 |
- 0.030 |
18.0 20.0 |
- |
8.0 10.5 |
- 0.10 |
|
304L |
min. max. |
- 0.030 |
- 2.0 |
- 0.75 |
- 0.045 |
- 0.030 |
18.0 20.0 |
- |
8.0 12.0 |
- 0.10 |
|
304H |
min. max. |
0.04 0.10 |
- 2.0 |
- 0.75 |
-0.045 |
- 0.030 |
18.0 20.0 |
- |
8.0 10.5 |
- |
|
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
|
|
304 |
min. max. |
- 0.08 |
- 2.0 |
- 0.75 |
- 0.045 |
- 0.030 |
18.0 20.0 |
- |
8.0 10.5 |
- 0.10 |
|
304L |
min. max. |
- 0.030 |
- 2.0 |
- 0.75 |
- 0.045 |
- 0.030 |
18.0 20.0 |
- |
8.0 12.0 |
- 0.10 |
|
304H |
min. max. |
0.04 0.10 |
- 2.0 |
- 0.75 |
-0.045 |
- 0.030 |
18.0 20.0 |
- |
8.0 10.5 |
- |
|
Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness |
|
|
Rockwell B (HR B) max |
Brinell (HB) max |
||||
|
304 |
515 |
205 |
40 |
92 |
201 |
|
304L |
485 |
170 |
40 |
92 |
201 |
|
304H |
515 |
205 |
40 |
92 |
201 |
|
304H also has a requirement for a grain size of ASTM No 7 or coarser. |
|||||
|
Grade |
Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Coefficient of Thermal Expansion (μm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Electrical Resistivity (nΩ.m) |
|||
|
0-100°C |
0-315°C |
0-538°C |
at 100°C |
at 500°C |
|||||
|
304/L/H |
8000 |
193 |
17.2 |
17.8 |
18.4 |
16.2 |
21.5 |
500 |
720 |
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.
