Sizes:
Out Diameter Range:1/2 inch---24 inch
Wall Thickness Range:SCH10,SCH20,SCH40,SCH80
Length Range:1m---18m
Packing: ASTM A53 GR.B ERW Steel Pipe Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
Finishes: Bare, Oiled, Mill Varnish, Galvanized, FBE, FBE Dual, 3LPE, 3LPP, Coal Tar, Concrete Coating and Tape Wrap.
End Finishes：Beveled, Square Cut, Threaded & Coupled.
Applications：Structural applications, Fluid transportation (water, gas, and air).
Chemical composition and Mechanical performance:
|
Type S (seamless) |
Type E (electric-resistance welded) |
Type F (furnace- welded pipe) |
|||
|
Grade A |
Grade B |
Grade A |
Grade B |
Grade A |
|
|
Carbon max. % |
0.25 |
0.30 |
0.25 |
0.30 |
0.3 |
|
Manganese % |
0.95 |
1.2 |
0.95 |
1.2 |
1.2 |
|
Phosphorous, max. % |
0.05 |
0.05 |
0.05 |
0.05 |
0.05 |
|
Sulfur, max. % |
0.045 |
0.045 |
0.045 |
0.045 |
0.045 |
|
Copper, max.% |
0.40 |
0.40 |
0.40 |
0.40 |
0.4 |
|
Nickel, max. % |
0.40 |
0.40 |
0.40 |
0.40 |
0.4 |
|
Chromium, max. % |
0.40 |
0.40 |
0.40 |
0.40 |
0.4 |
|
Molybdenum, max. % |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
|
Vanadium, max. % |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
Tensile Requirements
|
Seamless and Electric-resistance-welded |
Continuous-Welded |
||
|
Grade A |
Grade B |
||
|
Tensile Strength, min., psi |
48,000 |
60,000 |
45,000 |
|
Yield Strength, min., psi |
30,000 |
35,000 |
25,000 |
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