Delivery Time:10-30days
Certification:ISO9000

DIN2391 Thin Wall Seamless Precision Steel Tube Max length 12M For Automobile

Quick Detail:

DIN2391 Precision seamless steel tubes

Standard: DIN2391-1, DIN2391-2

Grade: ST35, ST37, ST45, ST52,ST35.2,ST52.2

OD. Range:6mm – 150mm

Wall thickness: 1mm-20mm

Length: Max length 12M

Type: Seamless

Packaging detail: Bundles with plastic paper packaged or wooden box package

Delivery date: 10-30days

Delivery Status: BK(+C), BKS(+SR), BKW(+LC),GBK(+A),NBK(+N)

Description:

Seamless Precision steel tubes

To be used in hydraulic system, automobile and precision machinery parts  for cars and cylinder.

Standard: DIN2391-1, DIN2391-2

Grade: ST35, ST37, ST45, ST52,ST35.2,ST52.2

OD. Range:6mm – 150mm

Wall thickness: 1mm-20mm

Length: Max length 12M

Type: Seamless

Packaging detail: Bundles with plastic paper packaged or wooden box package

Delivery status: BK(+C), BKS(+SR), BKW(+LC), GBK(+A), NBK(+N)

Applications:

hydraulic system

automobile

precision machinery parts for cars and cylinder.

precision tubes for locomotives

auto shock reducer inner cyliner

Specifications:

Grade and Chemical Composition ( ％ )

Item	Grade	C max	Mn	P max	S max	Si max
St35	1.0308	0.17	≥0..4	0.025	0.025	0.35
St45	1.0408	0.21	≥0.4	0.025	0.025	0.35
St52	1.0508	0.22	≤1.6	0.025	0.025	0.55

Mechanical properties

item	grade	Cold finished (Hard) (BK)	Cold finished (Soft) (BKW)	Cold finished and stress-relieved (BKS)	Annealed (GBK)	Normalized (NBK)
Rm	A	Rm	A	Rm	ReH	A	Rm	A	Rm	ReH	A
MPa	％	MPa	％	MPa	MPa	％	MPa	％	MPa	％
1	ST35	480	6	420	10	420	315	14	315