Product Description

Certification:GB/T 19001-2008 , ISO 9001:2008 , TS16949

EN10297-1 E235 , E275 , E315 , E355b , E470 ,C15 C22 ESeamless Circular Steel Tubes , Structural Steel Pipe

Standard:EN10297-1 Seamless circular steel tubes for mechanical and general engineering purposes

- Technical delivery conditions Non-alloy and alloy steel tubes

Application: for seamless circular tubes made of non-alloy and alloy steels for mechanical and gneral engineering purposes.

Size range: O.D.: 6-168mm      W.T.: 1-30mm     L:max12000mm

Material:   Fine Grain Steel

E235, E275, E315, E355, E470

C15, C22, 38Mn6, 41Cr4,

25CrMo4, 30CrMo4, 34CrMo4, 42CrMo4

Delivery condition:

Normalizin rolling process or normalized by heat treatment in a furnance.

Manufacture:

The tubes are manufactured by Seamless Cold Drawn or Seamless Cold Rolling.

Steel  Grade	C	Si	Mn	P	S	Cr	Mo	Ni	Other elements
Steel Name	Steel Number	min	max	min	max	min	max	max	max	min	max	min	max	min	max
E235	1.0308		0.17	-	0.35	-	1.20	0.030	0.035
E275	1.0225		0.21	-	0.35	-	1.40	0.030	0.035
E315	1.0236		0.21	-	0.30	-	1.50	0.030	0.035
E355 b	1.0580		0.22	-	0.55	-	1.60	0.030	0.035
E470	1.0536	0.16	0.22	0.10	0.50	1.30	1.70	0.030	0.035							Al min 0.010, N max. 0.020, Nb Max.0.07,V 0.08/0.15
C22E	1.1151	0.17	0.24	-	0.40	0.40	0.70	0.035	0.035