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DIN 2391 precision cold drawn seamless steel tube

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DIN 2391 precision cold drawn seamless steel tube

DIN 2391 standard for precision cold drawn seamless steel tubeSize(mm):Out diameter:16-325Wall thickness: 1-22Length: Max:12000Main application:Hydraulic system with steel, automotive steel, widely us...

2023-12-18 15:08:13

DIN 2391 standard for precision cold drawn seamless steel tube

Size(mm):
Out diameter:16-325
Wall thickness: 1-22
Length: Max:12000

Main application:
Hydraulic system with steel, automotive steel, widely used in the hydraulic system in steel tube, injection molding machine in steel tube, hydraulic press in steel tube, steel tube, EVA foam hydraulic machinery, precision hydraulic steel pipe cutting machine, shoe-making machinery, hydraulic equipment, high pressure tubing, hydraulic tubing, card sets of joints, pipe joints, rubber machinery, forging machinery, casting machinery, engineering machinery, automobile high pressure steel pipe concrete pump, sanitation vehicle, automobile industry, shipbuilding industry, metal processing, military industry, diesel engine, the internal combustion engine, air compressor, construction machinery, agricultural and forestry machinery, etc.

Cold drawn seamless steel tube chemical component(%)

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

Cold drawn seamless steel tube 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:390 E: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:355 E:22

Remark: TS: Tensile Strength YS: Yield Strength E: Elongation

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