Black Seamless Steel Pipe for Construction

• Type: Seamless, Welded
• Technique: Hot Rolled, Cold Rolled
• Material: Carbon Steel
• Surface Treatment: Black Pipe, Bare Pipe
• Usage: Pipeline Transport, Machinery Industry, Chemical Industry, Construction & Decoration, Special Purpose
• Section Shape: Round
• Model NO.: astm, GB/T
• Outer Diameter: 21.3mm~914.4mm
• Wall Thickness: 2.11mm~50mm
• Length: 6meters, 9meters, 12meters, Random Length
• Surface: Black Painting
• End Processing: Plain Ends
• Transport Package: Standard Seaworthy Packing
• Specification: ASTM A106/A53
• Trademark: Iron&steel
• Origin: China
• HS Code: 73041920
• Production Capacity: 2000tons Per Month

Product Description

Steel pipe for construction
Standard: ASTM A106, ASTM A53
Steel grade: Gr.A, Gr.B, Gr.C
Outer diameter: 21.3mm~914.4mm
Wall thickness: 2.11mm~50mm
Tolerances of diameter: ±0.4mm~±1mm
Tolerance of wall thickness: ±12.5%
Length: 6 meters, 9meters, 12 meters, Random length.
End processing: Bevel ends, Plain ends. Can be protected by end caps.
Surface: Bare pipe, Black painting, 3LPE coating, etc.

Mechanical Properties  of Carbon steel pipe

Standard	Steel grade	Tensile strength (Mpa)	Yield point (Mpa)	Elongation (%)
ASTM A106	Gr.A	≥330	≥205	20
	Gr.B	≥415	≥240	20
	Gr.C	≥405	≥275	20

Chemical Composition of carbon steel pipe

standard	Steel grade	Chemical composition (%)
		C ≤	Mn	P  ≤	Si ≥	S ≤	Cr ≤	Ni ≤	Cu ≤
ASTM A106	Gr.A	0.25	0.27~0.93	0.035	0.1	0.035	0.4	0.4	0.4
	Gr.B	0.3	0.29~1.06	0.035	0.1	0.035	0.4	0.4	0.4
	Gr.C	0.35	0.29~1.06	0.035	0.1	0.045	0.4	0.4	0.4