ASTM A53/A53M(ASME SA53/53M) GRADE A/B SEAMLESS STEEL TUBE FOR FLUID
TRANSPORTATION OR PRESSURE PART
Specifications:
ASTM A53/A53M(ASME SA53/53M) Seamless Steel Tubes
Steel Grade: A/B
Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating
Ends: BE/PE, ends caps
Marking: as per requirement
Delivery Condition: Annealed/Normalized/Tempered
Size:(mm)
OD:10.3mm – 660.4mm
WT: 0.8 mm – 35mm
Length: Fixed Length (6m,9m,12m, 16m or as per requirement) or random length
Package: Hexagonal Bundles with steel strips and plastic wrapping outside/Wooden box/Wooden crate/Steel frame/As per customer’s requirement
CHEMICAL COMPOSITION(%):
|
Grade |
C ≤ |
M ≤ |
P ≤ |
S ≤ |
Cu ≤ |
Ni ≤ |
Cr ≤ |
Mo ≤ |
V ≤ |
|
A |
0.25 |
0.95 |
0.05 |
0.045 |
0.40 |
0.40 |
0.40 |
0.15 |
0.08 |
|
B |
0.30 |
1.20 |
0.05 |
0.045 |
0.40 |
0.40 |
0.40 |
0.15 |
0.08 |
|
"The total composition for last five elements shall not exceed 1.00%. |
|||||||||
MECHNICAL PROPERTIES:
|
Grade |
Tensile Strength σb(Mpa) |
Yield Strength σs(Mpa) |
Elongation δ(%) |
Delivery Condition |
|
A |
≥330 |
≥205 |
20 |
Annealed |
|
B |
≥415 |
≥240 |
20 |
Annealed |
DIMENSION TOLERANCE:
|
Processing |
Pipe Sizes |
Tolerances |
|
|
Cold Drawn |
OD |
≤48.3mm |
±0.40mm |
|
WT |
≥60.3mm |
±1%mm |
|
INSPECTION AND TEST:
CHEMICAL COMPOSTION TEST. MECHANICAL PROPERTIES TEST(tensile strength, yield strength, elongation, flaring, flattening, bending, hardness, impact,etc). SURFACE AND DIMENSION CHECK. NON-DESTRUCTIVE TEST(eddy current test/hydraulic test/ultrasonic test)
Description:
ASTM A53/A53M (ASME SA53/53M) Seamless Steel Pipe, Black and Hot–Dipped, Zinc-Coated
Size range from OD10.3~660.4mm, WT0.8~35mm
Top quality products
Applications:
Mainly used for pressure parts, transportation line pipe of steam, water, fluid, ocean oil and gas, etc. Scaffolding pipes, mechanical tube of ocean platform, power station, petro-chemical industry, construction foundation piles, steel structure building, for low-pressur fluid service, steel structure bridges etc.
Competitive Advantage:
Always put quality on first consideration makes us keep our qulity stable and good. Always put customer’s benefit before ours makes our good service and gain us good reputation.
