ASTM, DIN, JIS Standard Hot Rolled Carbon Seamless Steel Pipe for Structure Pipe

• Type: Seamless
• Technique: Cold Rolled and Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Pipeline Transport, Oil/Gas Drilling
• Section Shape: Round
• Model NO.: seamless steel pipe
• Size: 30mm~610mm
• Thickness: 3mm~30mm
• Length: 6meters~12meters, or by Random
• End Processing: Bevel Ends, Plain Ends
• Surface: Black Painting with Marks
• Transport Package: Standard Seaworthy Packing
• Specification: ASTM A106/A53
• Trademark: Iron&steel
• Origin: China
• HS Code: 7306
• Production Capacity: 2000tons Per Month

Product Description

Seamless steel tubes for structures
Standards:
GB/T8162 Chinese national standard
ASTM A53 Standard of American Society of Testing Materials
ASME SA53 Boiler and pressure vessel--c-Ojrde of ASME
Application:
Seamless steel tubes for manufacturing pipelines.vessels,equipment and mechanical structures
Models of major steeI tubes:
1 O,20,35,45,Q345,1 5CrMo,1 2Crl MoV,A53A,A53B,SA53A,SA53B, etc.

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/T8162	10	≥335	≥205	≥24
	20	≥390	≥245	≥20
	35	≥510	≥305	≥17
	45	≥590	≥335	≥14
	Q345	≥490	≥325	≥21
	15CrMo	≥440	≥295	≥22
	12Cr1MoV	≥490	≥245	≥22
ASTM A53 ASME SA53	A	≥330	≥205	Check the table in ASTM A 53 Check the table in ASME SA53
	B	≥415	≥240

 
Chemical composition:

Standard codes	Models of steel tubes	Chemical compositions(%)
		C	Si	Mn	P	S	Cu	Ni	Mo	Cr	V
GB/T8162	10	0.07~0.14	0.17~0.37	0.35~0.65	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.15	/
	20	0.17~0.24	0.17~0.37	0.35~0.65	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.25	/
	35	0.32~0.40	0.17~0.37	0.50~0.80	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.25	/
	45	0.42~0.50	0.17~0.37	0.50~0.80	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.25	/
	Q345	0.12~0.20	0.20~0.55	1.20~1.60	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.25	/
	15CrMo	0.12~0.18	0.17~0.37	0.40~0.70	≤0.035	≤0.035	≤0.25	≤0.30	0.40~0.55	0.80~1.10	/
	12Cr1MoV	0.08~0.15	0.17~0.37	0.40~0.70	≤0.035	≤0.035	≤0.25	≤0.30	0.25~0.35	0.90~1.20	0.15~0.30
ASTMA53 ASMESA53	A	≤0.25	/	≤0.95	≤0.05	≤0.06	≤0.40	≤0.40	≤0.15	≤0.40	≤0.08
	B	≤0.30	/	≤1.20	≤0.05	≤0.06	≤0.40	≤0.40	≤0.15	≤0.40	≤0.08