Changzhou Joyruns Steel Tube CO.,LTD
High quality, Best service, Reasonable price.
Add to Cart
DIN2393 Welded Precision steel tubes used for gear shafts, hand brake, front axles, airbag inflators, stabilizers, seat
Precision steel tubes
1. Automotive fields
A. Fuel injection lines/nozzles
B. CNG (Compressed Nature Gas) tube-- Burst pressure: 1307Bar, Working Pressure: around 350bar
C. Drive transmission: Steering column elements
D. Gear shafts, hand brake, front axles, airbag inflators, stabilizers, seat fasteners, front-wheel driveshafts
2. Hydraulic Fields
A. Hydraulic circuits (HPL), pneumatic lines, and hydraulic suspension
B. Hydraulic cylinders (HPZ)
To be used in hydraulic systems, automobile and precision machinery parts for cars and cylinders.
Delivery status: BK(+C), BKS(+SR), BKW(+LC), GBK(+A), NBK(+N)
Specifications:
Grade and Chemical Composition ( ％ )
|
Grade |
Chemical Composition (%) |
|||||||||||
|
Steel Name |
Steel Number |
C(Max) |
Si(Max) |
Mn(Max) |
P(Max) |
S(Max) |
Cr |
NI |
Cu |
Mo |
V |
|
|
E155 |
1.0033 |
0.11 |
0.35 |
0.70 |
0.03 |
0.025 |
- |
- |
- |
- |
- |
|
|
E195 |
1.0034 |
0.15 |
0.35 |
0.70 |
0.03 |
0.025 |
- |
- |
- |
- |
- |
|
|
E235 |
1.0308 |
0.17 |
0.35 |
1.20 |
0.03 |
0.025 |
|
|
|
|
|
|
|
E275 |
1.0225 |
0.21 |
0.35 |
1.40 |
0.03 |
0.025 |
|
|
|
|
|
|
|
E355 |
1.0580 |
0.22 |
0.35 |
1.60 |
0.03 |
0.025 |
|
|
|
|
|
|
Mechanical properties
|
Steel Grade |
Minimum values for the delivery condition |
|||||||||||||
|
Steel Name |
Steel Number |
(+C c ) |
(+LC c ) |
(+SR) |
(+A d ) |
(+N)NBK |
|
|||||||
|
Rm Mpa |
A% |
Rm Mpa |
A% |
Rm Mpa |
ReH Mpa |
A% |
Rm Mpa |
A% |
Rm Mpa |
ReH e Mpa |
A% |
|
||
|
E155 |
1.0033 |
400 |
6 |
350 |
10 |
350 |
245 |
18 |
260 |
28 |
28 |
270-410 |
155 |
|
|
E195 |
1.0034 |
420 |
6 |
370 |
10 |
370 |
260 |
18 |
290 |
28 |
28 |
300-440 |
195 |
|
|
E235 |
1.0308 |
490 |
6 |
440 |
10 |
440 |
325 |
14 |
315 |
25 |
25 |
340-480 |
235 |
|
|
E275 |
1.0225 |
560 |
5 |
510 |
8 |
510 |
375 |
12 |
390 |
21 |
21 |
410-550 |
275 |
|
|
E355 |
1.0580 |
640 |
4 |
590 |
6 |
590 |
435 |
10 |
450 |
22 |
22 |
490-630 |
355 |
|
|
A Rm: tensile strength; ReH: upper yield strength; A: elongation after fracture |