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Industrial Pipe Black Iron

Product Type - Steel Pipe

A53 Grade A and B are standard specifications for seamless and welded steel pipes, respectively. They are commonly used in a range of applications, including oil and gas pipelines, water pipelines, and structural applications.

Grade: , ,

Availability : IN STOCK


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Advantage

  • High Precision Dimension: The carbon steel plate has excellent processing technology good molding and easy welding. Thickened material, stable performance, and high hardness, not easy to rust.
  • Low Friction: Low dissipation factor. More durable than most ordinary domestic bearings. Lower operating costs​
  • Life Is Long: High-quality steel through strict quality inspection, quality control layer-by-layer detection, and reliable quality, long service life.
  • Customization: Drawings and samples can be processed and customized. Conventional large-scale spot, non-standard customization.
Product Name A53 Grade A/B Welded Seamless Structural Steel Round Pipe
Size Welded / Seamless Round Pipe
Wall Thickness: 2MM~60MM
Outer Diameter: 21.25MM~762MM
Length All Sizes Can be customzied
Surface Finish All Sizes Can be customzied
Standard ASTM, JIS, GB, AISI, DIN, BS, EN
Certifications ISO 9001 BV SGS
Packing Industry standard packaging or according to client’s requirement
Payment terms T/T or LC at sight
Trade Terms EXW, FOB, CIF, CFR
Loading Port TIANJIN, SHANGHAI, DALIAN QINGDAO, etc
Delivery time Fast delievery in 7 days, up to order quantity
Quality Mill Test Certificate supplied with the shipment, third part inspection is acceptable
Packing Detail Standard export package:Wooden pallet +paperboard +steel strip Customized requirements are accepted
Cutting Type All Sizes Can be customzied
MOQ 1 Ton
Capacity 10, 000 ton per month

Equivalent Designation

DIN EN BS NFA ASTM ASME
DIN 17175 Grade St 35-8 NFAA 49-215 Grade TU 37-c ASTM A53 Grade A ASME SA 53 Grade A

Steel A53 Chemical Composition

Maximum values in % Type S
(Seamless)
Type E
(ERW)
Type F
(Furnace Weld)
A53 Pipe Grade–> Grade A Grade B Grade A Grade B Grade A
C 0.25 0.3 0.25 0.3 0.3
Mn 0.95 1.2 0.95 1.2 1.2
P 0.05 0.05 0.05 0.05 0.05
S 0.045 0.045 0.045 0.045 0.045
Cu 0.4 0.4 0.4 0.4 0.4
Ni 0.4 0.4 0.4 0.4 0.4
Cr 0.4 0.4 0.4 0.4 0.4
Mo 0.15 0.15 0.15 0.15 0.15
V 0.08 0.08 0.08 0.08 0.08

Mechanical Properties

Yield Strength Tensile Strength Elongation A5 min
MPa min ksi min MPa min MPa min ksi min Percentage
30 330 48

Processing Flow

Our Certifications

Packaging and Shipping

1. Wood pallet packing cover with water-proof paper

2. Steel pallet packing cover with water-proof paper

3. Wood box packing

4. Steel pallet packing cover with steel box

5. In bundles with steel strip no extra packing

All Grades We are Supplying

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