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DIN2391 ST52.4 NBK Precision Cold Drawn Seamless Tubes

Categories	Boiler Tube
Brand Name:	YUHONG SPECIAL STEEL
Model Number:	DIN 2391 DIN17175 ST 52.4
Certification:	ISO9001-2008, API 5L, API 5CT
Place of Origin:	China, USA, Korea, UE
MOQ:	100KGS
Price:	negotiable
Payment Terms:	T/T, L/C
Supply Ability:	15000 tons per month
Delivery Time:	10days->
Packaging Details:	Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Standard:	ASTM A178 , ASME SA178 , ASTM A214 , ASTM A519, DIN 2391
Grade:	A, B, C, St 30 Si / St 30 Al / St 35 / St37 / St37.4 / St45 / St 52 / St52.4 / E215 / E235 / E355
Size:	3/4" (19.05), 1"(25.4) , 1-1/4"(31.75), 1-1/2"(38.1), 2" (50.8), 2-1/2"(63.5) , 3" (76.2)
Length:	12ft (3657.6) , 15ft (4572), 16ft (4876.8), 6m , 20ft (6096) , 24ft(7315.2 ) 30ft (9144)

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Yuhong Group Co.,Ltd

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DIN2391 ST52.4 NBK Precision Cold Drawn Seamless Tubes

DIN2391 Precision Cold Drawn Seamless Pipes and Tubes, Gr St35 St45 St52 St37.4, Cold Finished Seamless Pipe use for Hydraulic and Pneumatic.

Delivery Status: NBK (+N) BKW (+LC) GBK (+A) BKS (+SR) BK (+C) OD x WT = 4~120 x 0.5~15mm

DIN2391 St52.4+N Phosphated Hydraulic Tube

DIN 2391 ST52.4 NBK Precision Cold Drawn Seamless Tubes are high-strength, high-precision steel tubes that are normalized to improve their mechanical properties and dimensional stability. They are characterized by tight dimensional tolerances, a smooth surface finish, and excellent mechanical properties, making them suitable for demanding applications in hydraulic systems, automotive, mechanical engineering, construction, energy, and aerospace industries. The seamless construction and cold-drawing process ensure uniformity and reliability, while the normalizing treatment enhances toughness and machinability.

Description:

Precision steel tube

Grade:
St 30 Si / St 30 Al
/ St 35 / St37 / St37.4 / St45 / St 52 / St52.4
/ E215 / E235 / E355

Precision in size,Bright for the surface, high ability of mechanical performance

Standard: DIN 2391, EN10305-1, EN10305-4, BS 6323, ISO 8535

DIN2391 Precision steel pipe

STEEL GRADE: ST30Si, ST30Al, ST35, ST37, ST37.4, ST45, ST52, ST52.4, etc

Size:(mm)

Out Dimensions: 6 mm ~ 350 mm

Wall Thickness: 0.8 mm ~30mm

Length: Fixed(6m,9m,12,24m) or normal length(5-12m)

Hydraulic Precision Cold Draw Seamless Tube DIN2391 ST52.4 and St37.4

Final supply conditions:

Cold finished(hard)BK

Tubes do not undergo heat treatment following the final cold forming and, thus, have a rather high

resistance to deformation.

Cold finished(soft)BKW

The final heat treatment is followed by cold drawing involving limited deformation. Appropriate further

processing allows a certain degree of cold forming (e.g. bending, expanding)

Cold finished and stress-relieved BKS

Heat treatment is applied following the last cold forming process. Subject to appropriate processing

conditions, the increase in the residual stresses involved enables both forming and machining to a certain

degree.

Annealed GBK The last cold forming process is followed by annealing in a controlled atmosphere.

Normalized NBK

The last cold forming process is followed by annealing above the upper transformation point in a controlled

atmosphere.

Chemical Composition:

Steel grade		Chemical composition, as a percentage by mass
Symbol	Material number	C max.	Si max.	Mn	P max.	S max.
St 30 Si	1.0211	0.10	0.30	<=0.55	0.025	0.025
St 30 Al	1.0212	0.10	0.05	<=0.55	0.025	0.025
St 35	1.0308	0.17	0.35	<=0.40	0.025	0.025
St 45	1.0408	0.21	0.35	<=0.40	0.025	0.025
St 52	1.0580	0.22	0.55	<=1.60	0.025	0.025
The following alloying elements may be added: Nb: <=0,03%; Ti: <=0,03%; V: <=0,05%; Nb + Ti + V: <=0,05%.

Steel grade		Chemical Composition(%):
Steel name	Steel number	C max	Si max	Mn	P max	S max	Al min
E215	1.0212	0.10	0.05	0.70	0.025	0.025	0.025
E235	1.0308	0.17	0.35	1.20	0.025	0.025	-
E355	1.0580	0.22	0.55	1.60	0.025	0.025	-

Looking for ideal DIN2391 ST52.4 NBK Precision Seamless Tubes Manufacturer & supplier ? We has a wide selection at great prices to help you get creative. All the DIN2391 St52.4 N Phosphated Hydraulic Tube are quality guaranteed. We are China Origin Factory of Hydraulic Cold Drawn Tube DIN2391. If you have any question, please feel free to contact us.

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DIN2391 ST52.4 NBK Precision Cold Drawn Seamless Tubes

DIN2391 ST52.4 NBK Precision Cold Drawn Seamless Tubes

DIN2391 ST52.4 NBK Precision Cold Drawn Seamless Tubes

carbon steel seamless tube

boiler pipe

DIN2391 ST52.4 NBK Precision Cold Drawn Seamless Tubes