Zhangjiagang Bonded Area Yaxin Precision Tube Co., Ltd. 

Zhangjiagang Bonded Area Henglong Steel Tube Co., Ltd.

Steel Tubing for Automotive Powertrain, Shock Aborber, Steering 

And Steel Tubing for Heat Exchanger, Superheater, Reheater, Boiler, Mechanical

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ASME SA210 Grade A1 and Grade C Seamless Boiler Steel Tubes Carbon Steel

ASME SA210 Grade A1 and Grade C Seamless Boiler Steel Tubes Carbon Steel

ASME SA210 Grade A1 and Grade C Seamless Boiler Steel Tubes Carbon Steel

Product Details:

Place of Origin: China
Brand Name: HENGLONG
Certification: ISO9001, OHSAS18001, ISO14001, PED97/23/EC

Payment & Shipping Terms:

Price: Negoniation
Packaging Details: Wooden cases
Delivery Time: 15-30 days
Payment Terms: L/C, T/T
Supply Ability: 6000 metric tons
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Detailed Product Description
Standard: ASTM A210 Material: Carbon Steel
Section: Round Shape: Straight
Application: Boiler

ASME SA210 Grade A1 and Grade C Seamless Carbon Steel Boiler Pipe



Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling
Ends: BE/PE, ends caps
Marking: as per requirement
Delivery Condition: Annealed/Normalized/Tempered
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


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


Grade Tensile Strength σb(Mpa) Yield Strength σs(Mpa) Elongation δ(%) Hardness (HRB)
A-1 ≥255   30 ≤79
C ≥275   30 ≤89


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%


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.

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

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.

Competitive Advantage:
Always put quality and customer's benefit on first consideration. Good quality & price, Best service

Contact Details
Zhangjiagang Bonded Area Henglong Steel Tube Co., Ltd.

Contact Person: Yaxin

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