DIN 2391 cold drawn seamless steel tube

DIN 2391 cold drawn seamless steel tube is utilized for the mechanical structure, hydraulic system and automotive steel, which has precision size and fine surface finish. Moreover this kind of seamless steel pipe can greatly cut down mechanical processing time, improve the utilization rate of raw material and the quality of steel products. High quality seamless steel pipes are adopted the 10# and 20#. To ensure chemical compositions and mechanical properties, the pipes will be checked by hydrostatic test, crimping and squashed test. We are strict with the quality of cold drawn seamless steel tube, we the reliable supplier for you. Welcome to visit our website www.octgpipes.com to get more information about seamless steel tubes.

DIN 2391 cold Drawn Seamless Steel Tube


Chemical components(%):

steel grade	C max	Si max	Mn	P max	S max
St35	0.17	0.35	0.40	0.025	0.025
St45	0.21	0.35	0.40	0.025	0.025
St52	0.22	0.35	1.60	0.025	0.025

Mechanical properties(Mpa):

Delivery conditions	cold working(hard)BK	cold working(soft)BKW	Cold working and eliminate force BKS	annealing(GBK)	normalizing(NSK)
steel grade	/	/	/	/	/
St35	TS:480 E:6	TS:420 E:10	TS:420 YS:315 E:14	TS:315 E:25	TS:340-470 YS:235 E:25
St45	TS:580 E:5	TS:520 E:8	TS:520 YS:375 E:12	TS:390E:21	TS:440-570 YS:255 E:21
St52	TS:640 E:4	TS:580 E:7	TS:580 YS:420 E:10	TS:490 E:22	TS:490-630 YS:355E:22