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DIN2391 ST 37.4 nbk Boiler Tube

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
Place of Origin: ZheJiang,CHINA Brand Name: TORICH
Certification: ISO Model Number: DIN2391

Detail Information

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
High Light:

DIN2391 Seamless Mechanical Tubing

,

ST52 Seamless Mechanical Tubing

,

20mm Seamless Steel Tube

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(%):
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
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
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:

 

Square Special Steel Pipe Seamless Carbon Steel Hollow Section Pipe 3

 

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.

 

 

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