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A178 ERW Carbon Steel Tube
WANLEI offers durable, concrete, and best price A178 ERW carbon steel tube, our company is a successful supplier, we devoted ourselves to ERW steel tube many years, we will provide excellent service and competitive price for you, we are expecting become your long-term partner in China.
Description
A178 ERW carbon steel tube
ASTM A178 standard specification for ERW tubes made of carbon steel and carbon manganese steel intended for use as boiler tubes, boiler flues, superheater flues and safe ends.
General information of A178 ERW carbon steel tube
Standard | ASTM A178 |
Steel grade | Grade A, Grade C, Grade D |
Outer diameter | 12.7mm to 127mm |
Wall thickness | 0.9mm to 9.1mm |
Length | 3meters to 12meters, length can be made as per clients' request |
Manufacture type | ERW (Electric resistance welding) |
Chemical composition of A178 ERW carbon steel tube
Grade | Type | C, % | Mn, % | P, %, Max | S, %, Max | Si, % |
A | low carbon steel | 0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 | - |
C | medium carbon steel | 0.35 Max | 0.80 Max | 0.035 | 0.035 | - |
D | carbon manganese steel | 0.27 Max | 1.00-1.50 | 0.030 | 0.015 | 0.10 min |
Tensile requirements of A178 ERW carbon steel tube
Grade | Tensile strength, min, MPa | Yield strength, min, MPa | Elongation in 2in. or 50mm, min, % |
A | 325 | 180 | 35 |
C | 415 | 255 | 30 |
D | 485 | 275 | 30 |
Mechanical tests required of A178 ERW carbon steel tube
Flattening test
Flange test
Crush test
Tension test
Reverse flattening test
Hydrostatic or nondestructive electric test
Packing and shipment of A178 ERW carbon steel tube
Because diameter is small, all pipes are bundled by steel belts.
Each bundle has 2pieces of steel belts for loading and unloading.
Each tube ends are covered by plastic caps.
Besides, non-woven fabric can be wrapped around each bundle for protection if clients require it. And wooden cases can be used for packing for one bundle or several bundles.
All pipes shall be loaded into containers when packing is finished.
The loading works are finished by our professional equipment and experienced drivers.
If unloading work is difficult for clients, we can provide loading and unloading video and recommend professional teams in destination port to help clients to unload all ERW carbon steel tubes.
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