API 5L Hot Rolling Black Painted Seamless Steel Pipe Line Pipes for Liquid Transportation

• Type: Seamless
• Technique: Hot Rolled, Cold Rolled
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Pipeline Transport, Oil/Gas Drilling, Construction & Decoration, Special Purpose
• Section Shape: Round
• Model NO.: ir
• Outer Diameter: 88.9mm~610mm
• Wall Thickness: 2.5mmm~20mm
• Length: 6meters, 9meters, 12 Meters or by Random
• Surface: Bare Pipe or Black Painting
• Transport Package: Standard Seaworthy Packing
• Specification: full catagory
• Trademark: Iron&steel
• Origin: China
• HS Code: 7306
• Production Capacity: 2000tons Per Month

Product Description

Seamless Steel Pipe for Liquid Transportation
Application: used for the transportation of oil, gas, and other liquid.
Standard: API 5L, ASTM A53M, ASTM A106M, JIS G3454, JIS G 3455, JIS G 3456
Steel material contains 10#, 20#, Q345(A, B, C, D), X42, X52, X60,X70
Production technics: hot rolling, cold rolling.
Delivery state: hot rolled, heat treatment.

 

Diamensional tolerances:

Types of steel tubes	Outer diameter		Wall thickness
Cold-rolled tubes	Tube sizes(mm)	Tolerances(mm)	Tube sizes (mm)	Tolerances(mm)
	>30~50	±0.3	≤30	±10%
	>50~219	±0.8%
Hot-rolled tubes	>219	±1.0%	>20	±10%

 
Mechanical properties:

Standard codes	Models of steel tubes	Tensite strength(MPa)	Yield strength(MPa)	Elongation(%)
GB/T8163	10	335~475	≥205	≥24
	20	410~550	≥245	≥20
	Q345	490~665	≥325	≥21

Chemical composition:

Standard codes	Models of steel tubes	Chemical compositions(%)
		C	Si	Mn	P	S	Cr	Ni	Cu
GB/T8163	10	0.07~0.14	0.17~0.37	0.35~0.65	≤0.035	≤0.035	≤0.15	≤0.25	≤0.25
	20	0.17~0.24	0.17~0.37	0.35~0.65	≤0.035	≤0.035	≤0.25	≤0.25	≤0.25
	Q345	0.12~0.20	0.20~0.55