Cold-Drawn-Precision-Seamless-Steel-Tube

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Classification: Products and Projects Steel Pipes & Fittings
Brief description:Model NO.: Outer diameter: 25mm -500mm Cross-Section Shape: Round Connection Type: Welding Inspection: SGS BV Trademark: CHEMMAH Transport Package: Bundle Specification: OD: 25mm -500mm THK: 2-50mm Origin: China HS Code: 7304193000

Description:

Outer diameter: 25mm -500mm
Wall thickness: 2-50mm
Material: ST52, Q345B, CK20, CK45, SAE1026
Standard: GB/T8713-88, GB/T3639-2009, DIN2391, EN10305
Cold Drawn Tube can be produced according to the demands of costumers that the degree of precision can reach H9/H11.
Material & Chemical Composition
DIN2391 standard ST52, EN10305 standard E355, 16Mn, ASTM A106B, C20/20#, CK45
Steel Grade: St52; Ck20; Ck45; E355
Standard Item: GB/T 3639-2009, DIN 2391, En 10305,GB/T8713-88
ID: 25-500
Wt Tolerance: -5%/+5%
Trademark: CHEMMAH
Transport Package: in Bundles, Internal and External Oil Coating
Specification: ID from 25-500mm

Material	C	Si	Mn	S(≤)	P(≤)	Cr	Ni	Mo	other
A106B / C20#	0.17-0.23	0.17-0.37	0.35-0.65	0.035	0.035	≤0.25	≤0.30		Cu≤0.25
CK45#	0.42-0.50	0.17-0.37	0.50-0.80	0.035	0.035	≤0.25	≤0.30		Cu≤0.25
Q345B	≤0.20	≤0.55	1.00-1.60	0.040	0.040	V:0.02-0.15	Nb:0.015-0.06	Ti:0.02-0.20	Alt≥0.015
ST52 E355 16Mn	≤0.20	≤0.55	1.00-1.60	0.045	0.045	V:0.02-0.15	Nb:0.015-0.06	Ti:0.02-0.20	16Mn
25Mn	0.22-0.30	0.17-0.37	0.70-1.00	0.035	0.035	≤0.25	≤0.25
27SiMn	0.24-0.32	1.10-1.40	1.10-1.40	0.030	0.030
42CrMo	0.38-0.45	0.17-0.37	0.50-0.80	0.025	0.025	0.90-1.20		0.15-0.25