Product Description
EN 10305-1 / DIN 2391 |
Precision cold drawn seamless steel tube |
Application: |
for Atuo;for machinery use; Oil cylinder tube; Motorcycle shock reducer steel tubes; Auto shock reducer inner cylinder. |
Size(mm): |
O.D.:10-324mm ; W.T.:1-30mm; L:max 14000 |
|
Grade and Chemical Composition(%):
|
Brand |
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 |
BKW |
BK |
BKS |
GBK |
NBK |
Tensile Strength ReH N/mm min |
Elongation% min |
Tensile Strength ReH N/mm min |
Elongation% min |
Tensile Strength ReH N/mm min |
Yield strength Rm N/mm min |
Elongation % mi |
Tensile Strength ReH N/mm min |
Elongation % min |
Tensile Strength ReH N/mm min |
Yield strength Rm N/mm min |
Elongation % 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 |
255 |
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 |
Steel number |
+ 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 |
|
|
EN10305-2 / DIN2393 |
Precision cold drawn seamless steel tube |
Application: |
For the manufacturing of the boiler, economizer, reheater, and steam pipe. |
Size(mm): |
O.D.:16-219mm ; W.T.:1-21mm; L:max 14000 |
|
Grade and Chemical Composition(%):
|
Brand |
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 |
BKW |
BKW |
BKS |
GBK |
NBK |
Tensile Strength ReH N/mm min |
Elongation% min |
Tensile Strength ReH N/mm min |
Elongation% min |
Tensile Strength ReH N/mm min |
Yield strength Rm N/mm min |
Elongation % mi |
Tensile Strength ReH N/mm min |
Elongation % min |
Tensile Strength ReH N/mm min |
Yield strength Rm N/mm min |
Elongation % 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 |
255 |
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 |
Steel number |
+ 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 |
|
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