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ASTM A139 SSAW Carbon Steel Pipes
ASTM A139 SSAW Carbon Steel Pipes
ASTM A139 SSAW Carbon Steel Pipes
ASTM A139 SSAW Carbon Steel Pipes
ASTM A139 SSAW Carbon Steel Pipes
ASTM A139 SSAW Carbon Steel Pipes
ASTM A139 SSAW Carbon Steel Pipes
ASTM A139 SSAW Carbon Steel Pipes

ASTM A139 SSAW Carbon Steel Pipes

ASTM A139 is a standard specification for electric-fusion (arc)-welded steel pipe (NPS 4 and over).
standard:ASTM
Surface :1. Galvanized 2. Black and Color Painting
introduction
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introduction
ASTM A139 is the standard specification for electrofusion (arc) welded steel pipe (NPS 4 and above).
ASTM A139 SSAW Carbon Steel Pipe This specification covers five grades of electrofusion (arc) welded spiral seam steel pipe. This pipe is used to transport liquids, gases or vapors. GNEE provides spiral seam steel pipes with outer diameters from 219mm to 3500mm and wall thickness of 25.4mm.
SSAW stands for "submerged arc welding" and is one of the methods used to weld steel pipe joints. SSAW pipe is manufactured by forming coils of hot-rolled steel into a cylindrical shape and then welding the seams using submerged arc welding.
ASTM A139 spiral steel pipe is mainly used to transport fluids such as oil, natural gas, water, etc., and is also used for general structural purposes such as bridges and buildings.
Data table

ASTM A139 SSAW carbon steel pipes Mechanical Property

  Grade A Grade B Grade C Grade D Grade E
Yield strength, min, Mpa(KSI) 330(48) 415(60) 415(60) 415(60) 445(66)
Tensile strength, min, Mpa(KSI) 205(30) 240(35) 290(42) 315(46) 360(52)

ASTM A139 SSAW  steel pipes Chemical Composition

Element

Composition, Max, %

Grade A

Grade B

Grade C

Grade D

Grade E

Carbon

0.25

0.26

0.28

0.30

0.30

Manganese

1.00

1.00

1.20

1.30

1.40

Phosphorus

0.035

0.035

0.035

0.035

0.035

Sulfur

0.035

0.035

0.035

0.035

0.035

company advantage
Why choose us
Gnee Steel Pipe Co., Ltd. is an industrial and trading company. We mainly produce and operate carbon steel pipes and alloy steel pipes. Our pipes include liquid delivery pipes, structural pipes, hydraulic strut pipes, boiler pipes and bearing pipes. We typically have over 5,000 tons of pipe in various sizes and standards. Our stock pipe sizes range from 20mm to 406mm outer diameter and 2mm to 70mm wall thickness.
 

FAQ

1.Q. How can we trust your company?
A.We specialize in the steel business for many years, quality assurance is our prerequisite, you are welcome to visit us by all means.

2.Q. Can you provide samples?
A.Yes, free samples are available for regular sizes, but buyers need to pay the shipping cost.

3.Q.What is the delivery time?
A. About 15-35 days after we confirm your request.








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