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Zhangjiagang Sheng Ding Yuan group

[Province: Jiangsu ]

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Cold Drawing Carbon Steel Tube E215 , Precision Steel Tube EN 10305-1

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Cold Drawing Carbon Steel Tube E215 , Precision Steel Tube EN 10305-1

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Cold Drawing Carbon Steel Tube E215 , Precision Steel Tube EN 10305-1/4

1.Precision steel tube-carbon steel are made using the cold drawing process. Precision tubes are made from carbon steel from quality Bao Steel,XingCheng Steel,and HuaiSteel.

2. The tubes are high precision in tolerance,excellent surface brightness,no oxidization on the outer and inner walls after heat treatment,high cleanness of inside wall.

3. No deformation after cold bending,no crack after flaring and flattening.

Tolerance Table Of Steel Tube

NAME	SCOPE(mm)	GB (mm)	DIN (mm)	Enterprise control(mm)	Special high-precision(mm)
Out Diameter	4-30	±0.1	±0.08	±0.05	±0.03
	31-40	±0.15	±0.15	±0.05	±0.03
	41-50	±0.20	±0.20	±0.08	±0.03
	51-60	±0.25	±0.25	±0.08	±0.03
Wall thickness	0.5-7	±10%,Min±0.12	±10%	±10%,Min±0.05	±10%,Min±0.03

Steel grades for precision steel tube-carbon steel

Standard	Material
EN10305-1	E215, E235, E255, E355,C45E, 30GrMo
DIN2391	ST35,ST45,ST52, ST37.4
DIN1630	ST37.4,ST44.4,ST52.4
BS6323/4	CFS3,CFS4,CFS5,CFS8
ASTMA519	SAE1010,SAE1020,SAE1045
JISG3445	STKM11A,STKM13A
SAEJ524	SAE1010