Name: DIN2391 ST 37.4 nbk Boiler Tube
Brand: TORICH INTERNATIONAL LIMITED
SKU: DIN2391
Price: 2,550.00 USD
Availability: InStock

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DIN2391 ST 37.4 nbk Boiler Tube

DIN2391 Seamless Mechanical Tubing

ST52 Seamless Mechanical Tubing

20mm Seamless Steel Tube

Place of Origin:

ZheJiang,CHINA

Brand Name:

TORICH

Certification:

ISO

Model Number:

DIN2391

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Product Details

Model Number:

DIN 2391

Grade:

ST35-ST52, St52, St37, St35.8, ST45

Application:

Hydraulic Pipe

Alloy Or No:

Non-alloy

Technique:

Cold Rolled

Surface Treatment:

Black/Bright

Thickness:

0.5-20mm

Section Shape:

Round

Material:

ST37/ST52/CK45/AISI4140

Special Pipe:

Other

Highlight:

DIN2391 Seamless Mechanical Tubing

ST52 Seamless Mechanical Tubing

20mm Seamless Steel Tube

Payment & Shipping Terms

Minimum Order Quantity

5 Tons

Packaging Details

Woven bag / wooden or crate carton/ Bundle Packing/ Plain end or vanished as per customer's request.

Delivery Time

30-35days

Payment Terms

L/C, D/P, T/T, Western Union, MoneyGram

Supply Ability

3000 Ton/Tons per Month can adjust

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Product Description

DIN2391 ST 37.4 nbk Boiler Tube

Specification Offered For DIN 2391 st37.4 fuel injection steel tube

Standard: DIN 2391
Steel grade: ST35, ST37, ST37.4, ST45, ST52, ST52.4
Size: OD (4-190mm) x WT (0.5-15mm)
Delivery condition: NBK(+N), GBK(+A), BK(+C), BKW(+LC), BKS(+SR).
Application: Used in hydraulic system, automobile, locomotive and military industry.

Chemical Composition

Grade	Chemical Composition(%):
Grade	C max	Si max	Mn	P max	S max
St 35	0.17	0.35	≥0.40	0.025	0.025
St 45	0.21	0.35	≥0.40	0.025	0.025
St 52	0.22	0.55	≤1.60	0.025	0.025

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	-

Mechanical Properties(Mpa):

Steel grade	BK		BKW		BKS			GBK		NBK
Steel grade	RmN/mm min	min	RmN/mm min	min	N/mm min	ReH N/mm min	min	N/mm min	min	N/mm min	ReH N/mm min	min
St35	480	6	420	10	420	315	14	315	25	340-470	235	25
St45	580	5	520	8	520	375	12	390	21	440-570	235	21
St52	640	4	580	7	580	420	10	490	22	490-630	355	22

Steel grade		Minimum values for the delivery condition
Steel name	Steelnumber	+ C		+ LC		+ SR			+ A		+ N
Steel name	Steelnumber	Rm Mpa	A%	Rm Mpa	A%	Rm Mpa	ReH Mpa	A%	ReH Mpa	A%	Rm Mpa	ReH Mpa	A%
E215	1.0212	430	8	380	12	380	280	16	280	30	290-430	215	30
E235	1.0308	480	6	420	10	420	350	16	315	25	340-480	235	25
E355	1.0580	640	4	580	7	580	450	10	450	22	490-630	355	22

Application :

Pneumatic cylinder
Hydraulic cylinder
Precise machine pipes
Agriculture machine Boiler construction

Product Pictures:

DIN2391 ST 37.4 nbk Boiler Tube 0

DIN2391 ST 37.4 nbk Boiler Tube 1

DIN2391 ST 37.4 nbk Boiler Tube 2

DIN2391 ST 37.4 nbk Boiler Tube 3

Packing and Delivery:

DIN2391 ST 37.4 nbk Boiler Tube 4

FAQ:

Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider

Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples of carbon seamless steel tube ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.

Tags：

DIN2391 ST 37.4 nbk Boiler Tube

DIN2391 Seamless Mechanical Tubing

ST52 Seamless Mechanical Tubing

20mm Seamless Steel Tube

DIN2391 Seamless Mechanical Tubing

ST52 Seamless Mechanical Tubing

20mm Seamless Steel Tube

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Mechanical Properties(Mpa):

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