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Product Description

A53 Seamless & Welded Carbon Steel Pipe Description

ASTM A53 seamless steel pipe has high strength, good toughness, good processing performance and welding performance. A53 American standard seamless steel pipes are available in a wide range of specifications, with a wide range of outer diameters and wall thicknesses. Because ASTM A53 seamless carbon steel pipe has excellent material properties and good processing performance, it is widely used in petroleum, chemical industry, electric power, machinery manufacturing and other fields. For example, in the petrochemical industry, ASTM A53 steel pipes can be used to transport high-temperature and high-pressure oil, natural gas and other media.

Product Parameters

Product Name

A53 Seamless & Welded Carbon Steel Pipe

Standard

EN/DIN/JIS/ASTM/BS/ASME/AISI etc.

Outer Diameter

Seamless: 1/4"-36"

Welding: 21.3mm-3620mm

Round Tube: 1/2"-10"

Square Tube/Rectangular Tube: 15x15mm-400x600mm

Wall Thickness

Seamless: 1.25mm-50mm

Welding: 1.65mm-65mm

Length

3-12 meters, Support customization

Surface Process

Bright, Polished, Black

Other Services

Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.

 

Chemical Composition

A53

Grade

C

Mn

P

S

Cu

Ni

Cr

Mo

V

Type S (Seamless)

A

0.25

0.95

0.05

0.05

0.4

0.4

0.4

0.15

0.08

B

0.3

1.2

0.05

0.05

0.4

0.4

0.4

0.15

0.08

Type E (Resistance Welding)

A

0.25

0.95

0.05

0.05

0.4

0.4

0.4

0.15

0.08

B

0.3

1.2

0.05

0.05

0.4

0.4

0.4

0.15

0.08

Type F (Furnace Welding)

A

0.3

1.2

0.05

0.05

0.4

0.4

0.4

0.15

0.08

 

Mechanical Properties

A53

Grade A

Grade B

Tensile Strength Min. psi (MPa)

48,000 (330)

60,000 (415)

Yield Strength Min. psi (MPa)

30,000 (205)

35,000 (240)

 

Physical Performance

Density 20°C Kg/dm³

Modulus of Elasticity Kn/² mm

Coefficient of Thermal Conductivity 20°C
W/m K

Heat Capacity 20°C
J/kg K

Resistivity 20°C
Ωmm²/m

20 C°

300 C°

400 C°

450 C°

7.85

210

192

184

179

51

461

0.20

 

Scope of Application

Construction: underground pipeline, underground water, hot water transmission, mechanical processing, bearing sleeve, processing machinery parts, etc.
Electrical: natural gas transmission, hydroelectric fluid pipelines, anti-static pipes for wind farms, etc.

Product Application

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Packaging and shipping

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Factory Display

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FAQ

Q1: What products does Jiuhe Steel mainly offer?
Jiuhe Steel specializes in carbon steel, stainless steel, copper, aluminum, color-coated and galvanized products. Our portfolio includes carbon steel coils/plates/pipes/sections, stainless steel coils/pipes/bars, copper plates/strips/pipes, aluminum plates/coils/profiles, pre-painted galvanized coils/roofing sheets, and galvanized coils/pipes/sections.


Q2: What standards do your products comply with?
We can supply products in accordance with various international standards, including GB/T (Chinese standard), ASTM (American standard), JIS (Japanese standard), EN (European standard), and others. We recommend that clients specify their required standards and grades, and we will arrange production accordingly. If you are unsure about the appropriate standard, our team can assist with standard comparison and material selection.


Q3: Do you offer customized products?
Yes. We provide customized steel and non-ferrous metal solutions based on specific project requirements, including special dimensions, materials, surface treatments, and more. Please send us your technical specifications or drawings, and we will offer professional advice and quotations.

 

Q4: How do you ensure product quality?
We maintain long-term partnerships with reputable domestic mills and processing plants, with strict quality control systems in place. All products are accompanied by quality inspection certificates issued by the manufacturer. Upon request, we can also arrange third-party inspection by agencies such as SGS or BV.


Q5: Do you provide Mill Test Certificates (MTC)?
Yes. We provide Mill Test Certificates (MTC) for each shipment, including product name, specifications, applicable standards, chemical composition, mechanical properties, test results, date of manufacture, and the manufacturer‘s official stamp.

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