ASTM A53 Grade B Carbon Steel Pipe
ASTM A53 Grade B Black Seamless Pipe
ASTM A53 seamless steel pipe refers to the foreign standard steel pipe grade, which is the American standard grade. A53-F corresponds to the domestic q235 material, A53-A corresponds to the domestic 10# material, and A53-B corresponds to the domestic 20# material.
A53-B carbon steel pipe is a common carbon steel pipe material. Its chemical composition is as follows: - Carbon (C) content: maximum 0.30% - Manganese (Mn) content: maximum 1.20% - Phosphorus (P) content: Maximum 0.05% - Sulfur (S) content: maximum 0.045% In addition, A53-B seamless carbon steel pipe also contains a small amount of copper (Cu), nickel (Ni), chromium (Cr), molybdenum (Mo) and other elements , but their content is very low, usually no more than 0.40%. A53-B low carbon steel pipe is a pipe commonly used for low-pressure fluid transportation and has good weldability and mechanical properties.
ASME SA / ASTM A53 GR.B Seamless Pipes & Tubes Chemical Composition :
| Grade | Chemical Composition (%) Max. | ||||||||
| C | Mn | P | S | Cu | Ni | Cr | Mo | V | |
| B | 0.3 | 1.2 | 0.05 | 0.045 | 0.4 | 0.4 | 0.4 | 0.15 | 0.08 |
A53 Grade B Pipes and Tubes Mechanical properties:
| Grade | Mechanical Properties, Min. | |
| Tensile Strength(Mpa) | Yield Strength(Mpa) | |
| B | 415 | 240 |
ASTM A53 black mild steel pipe


Specifications:ASTM A 53, ASME SA 53
Size Range:1/2" NB to 36" NB
Thickness:3-12mm
Schedules:SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules
Type:Seamless / ERW / Welded
Length:Min 3 Meters, Max18 Meters, or according to customer's requirement
Specification for Pipe :Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
End Connections :Plain, Bevel, Screwed, Threaded
Grade:Grade B
GNEE Company specializes in selling steel pipes, carbon steel pipes, and seamless boiler pipes, mainly exported to Singapore, South Korea, the Philippines, Vietnam, Peru, Saudi Arabia, Guatemala, Bangladesh, India and other countries. Committed to strict quality control and thoughtful customer service, and providing a variety of product customization processing services. It has ISO9001 management system certification and CE certification for stainless steel products.

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