DIN ST52 cold drawn carbon Seamless steel pipe

Cold rolled seamless steel tube 

 

 Description of goods:                                                                                   

   

Standard	ASTM A106, ASTM A53, API 5L Gr.B, DIN17175,DIN1629,
Material	ASTM A106B, ASTM A53B, ST52, ST37,ST44,ST45.....
Outer diameter	20mm-610mm
Wall thickness	2mm-60mm
Length	3-12m, random or fixed, as the clients' requests
Technology	Cold draw/Cold rolled / Hot rolled
Tolerance	Control with in the standard, OD:+-1%, WT:+-10%
Advantages	1.Short delivery time
	2.Quality assurance
	3.Competitive price
	4.Superior Service

        OD  Tolerance                                                                         

 

Tolerance table of Steel tube
Name	Scope (mm)	GB series (mm)	DIN series (mm)	Enterprise internal control  standard(mm)	Special high-precision (mm)
Outer  Diameter	4-30	±0.1	±0.08	±0.05	±0.03
OD	31-40	±0.15	±0.15	±0.05	±0.03
OD	41-50	±0.20	±0.20	±0.20	±0.03
OD	51-60	±0.25	±0.25	0.25	±0.03
Wall thinckness	0.5-7	±10%  (MIN)±0.12	±10%	±10%	±10%  (MIN)±0.03

 

 Chemical composition of Materials:                                                         

 

Steel Grade	C	Si	Mn	P≤	S≤	Cu≤	Ni≤	Cr≤	Mo≤	V≤
ASTM A106 B	≤0.3	/	≤1.2	0.05	0.06	0.4	0.4	0.4	0.15	0.08
ST35	≤0.18	0.15-0.35	0.35-0.65	0.035	0.035	0.25	0.25	0.25	/	/
ST45	≤0.25	0.15-0.35	0.5-0.8	0.035	0.035	0.25	0.25	0.25	/	/
ST52	≤0.2	≤0.55	≤1.5	0.035	0.035	0.25	0.25	0.25	/	/
CK45	0.42-0.5	0.17-0.37	0.5-0.8	0.035	0.035	0.25	0.25	0.25	/	/