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| Chemical Composition & Mechanical Properties | ||
Specifications |
EN10235, DIN 2391, DIN 1629, DIN 2448 in Plain Oiled or Phosphated Condition. |
Size |
6.00 mm To 88.90mm 0.50 mm To 9.00mm |
Product Strength |
1) Scale Free Tubes Which give high Corrosion resistance Strength. 2) Supply in Close dimension tolerances. 3) Reliable for high Pressure applications. |
Chemical Composition in %
Steel Grade |
Material Number |
"C" Max. |
Mn. |
"Si" Max. |
"P" Max. |
"S" Max. |
St. 35 |
1.0308 |
0.17 |
0.40 Min. |
0.35 |
0.025 |
0.025 |
St. 35.8 |
1.0305 |
0.17 |
0.40 tp 0.80 |
0.35 |
0.040 |
0.040 |
St. 37 |
1.0254 |
0.17 |
0.40 Min. |
0.35 |
0.025 |
0.025 |
St. 37.4 |
1.0255 |
0.17 |
0.35 Min. |
0.35 |
0.040 |
0.040 |
St. 45 |
1.0408 |
0.21 |
0.40 Min. |
0.35 |
0.025 |
0.025 |
St. 52 |
1.0580 |
0.22 |
1.60 Max. |
0.55 |
0.025 |
0.025 |
St. 30Al |
1.0212 |
0.10 |
0.55 Max. |
0.05 |
0.025 |
0.025 |
Machanical Properties
Steel Grade |
BK |
NBK |
|||
Tensile Strength N/mm2 |
% Elongation |
Tensile Strength N/mm2 |
Yield Stress N/mm2 |
% Elongation |
|
St. 35 |
480 |
8 |
340 to 470 |
235 |
25 |
St. 35.8 |
--- |
--- |
360 to 480 |
235 |
25 |
St. 37 |
480 |
8 |
340 to 470 |
235 |
25 |
St. 37.4 |
--- |
--- |
350 to 480 |
235 |
25 |
St. 45 |
580 |
5 |
440 to 570 |
255 |
25 |
St. 52 |
640 |
4 |
490 to 630 |
355 |
22 |
St. 30Al |
- |
- |
265 to 420 |
215 |
30 |
BK |
Cold finished as drawn |
No head treatment after last cold forming Proces |
NKB |
Normalized |
Tubes are normalized in Controlled atmosphere at required temperature |
Product Highlights
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