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ASTM A210 GRADE A - 1 / C cold drawn Seamless Boiler Tubes with Phosphating / Pickling

ASTM A210 GRADE

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Description

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SEAMLESS CARBON STEEL BOILER AND SUPERHEATER TUBES ASTM A210 /ASME SA210

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SPECIFICATIONS:

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Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling
Ends: BE/PE, ends caps
Marking: as per requirement
Delivery Condition: Annealed/Normalized/Tempered
Size:(mm)
? ? ?OD:12.7 – 127mm (1/2 – 5 in.)???????? WT: 0.9 – 12.7mm (0.035 – 0.5in.)????

?? or as per customer’s requirement
Length: ≤16m. 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
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CHEMICAL COMPOSITION (%):
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Grade | C≤ | Mn | P≤ | S≤ | Si≥ |
A-1 | 0.27 | ≤0.93 | 0.035 | 0.035 | 0.10 |
C | 0.35 | 0.29-1.06 | 0.035 | 0.035 | 0.10 |
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MECHNICAL PROPERTIES:
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Grade | Tensile Strength? σb(Mpa) | Yield Strength σs(Mpa) | Elongation????? δ(%) | Hardness (HRB) | ? |
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A-1 | ≥255 | ? | 30 | ≤79 | ? |
C | ≥275 | ? | 30 | ≤89 | ? |
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DIMENSION TOLERANCE:
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Processing | Size | Tolerance |
SEAMLESS | OD | <25.4mm | ±0.10mm |
25.4~38.1mm | ±0.15mm |
38.1~50.8mm | ±0.20mm |
50.8~63.5mm | ±0.25mm |
63.5~76.2mm | ±0.30mm |
76.2~101.6mm | ±0.38mm |
101.6~190.5mm | +0.38mm~-0.64mm |
WT | OD≤38.1mm | 0~+20% |
OD≥38.1mm | 0~+22% |
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INSPECTION AND TEST:
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CHEMICAL COMPOSTION TEST. MECHANICAL PROPERTIES TEST(tensile strength, yield strength, elongation, flaring, flattening, hardness, etc). SURFACE AND DIMENSION CHECK. NON-DESTRUCTIVE TEST(eddy current test/ultrasonic test), HYDRAULIC TEST.
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Description:
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ASTM A210(ASME SA210/210M) ?
Seamless carbon steel pipe for high pressure boiler and superhearter
Size range from OD: 12.7 – 127mm (1/2 – 5 in.)??? WT: 0.9 – 12.7mm (0.035 – 0.5in.), or as per customer’s requirement
ASTM A210 is the standard covers seamless middle-carbon steel boiler and superheater tubes. It is minimum-wall-thickness tubes under this standard. Mainly used in boiler & boiler flues including safe ends, arch and stay tubes. ASTM A210 provides tensile and hardness properties but only applicable to certain size limitations. Material manufacturing shall be killed. Tubes shall be made by seamless process, marked as either hot-finished or cold-finished. Surface condition shall be specifically stated in the order. Chemical composition shall conform to the requirements. Elemental composition other than listed here shall not be permitted. Tension test, flattening test, flaring test, hardness test, hydrostatic or nondestructive electric test shall be made on specimens. Superheater tubes shall be formed without defects and shall withstand expansion, beading, forging, welding, and bending.
Top quality products
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Applications:
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Mianly used for boiler, boiler flue, including safe ends, arch and stay tubes. Superheater. Heat-exchanger and other heat supply/heat transfer equipment. Petro-chemical industry, transportation of fluids, water, oil, gas, steam etc.?
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Competitive Advantage:
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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.
Advanced equipments. Sincere , truth and careful attitude on communication and production.

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