Product Parameter
Qualities
| Commercial |
|
- St 2-St 4 to DIN 1624 / DIN EN 10139
- or special grades
- IF quality to SEW 095 / DIN EN 10139
|
|
Heat treatable |
|
- C 22-C 60
- CK 22-CK 60
- 38 Cr2-41Cr4
- 25CrMo4-42CrMo4
- 50CrV4 to DIN 17200/DIN EN 10132, part 3
|
|
| Cold rolled wide coil |
|
- St 12-St 14 to DIN 1623, part 1/DIN EN 10130
- or special grades
|
|
Spring steel |
|
- C 55-C 75
- CK 55-CK 75 to DIN 17222/DIN EN 10132, part 4
|
|
| Constructional |
|
- St37 -St70 to DIN 1623,part 2
|
|
High strength low alloy |
|
- ZSTE 260-ZSTE 420 to SEW 093/DIN EN 10268
- ZE 380-ZE 800/special grades similar to SEW 093/DIN EN 10268
- steel with high strength on demand
|
|
| Case hardening |
|
- C 10-C 15
- CK 10-CK15
- 15 Cr3
- 16MnCr5-20MnCr5
- 20MoCr4 to DIN 17200/DIN EN 10132/part 2
|
|
Electrical |
|
- semi finished qualities to DIN 46400, part2/DIN EN 10126
|
|
Enamelling |
|
- EK2-EK4 to DIN 1623 part 3/DIN EN 10209
|
Sizes and weights
| thickness |
|
0,40-5,00mm |
|
width |
|
10-650mm |
|
| coils |
|
up to 20 kg/mm of width |
|
cut to length |
|
450-5,100mm lengths |
|
| traverse wound |
|
up to 30mm of width and max.3,500 kgs coils. |
Tolerances
- to DIN 1544/DIN EN 10140
- to DIN 1541/DIN EN 10131
- normal,fine and precision tolerances or by arrangement
|
Surfaces
| Types of surfaces to DIN 1624/ DIN EN 10139 |
|
| normal bright |
|
BK/MA |
|
scratch and pit-free |
|
RP/MB |
|
| scratch and pit-free bright |
|
RPG/MC |
Heat Treatment Steel Strip Parameter
| Minute structure & tensile strength |
|
- 1,000-2,300N/mm2 Martensite
- 900-1600N/mm2 Bainitic
|
|
Size & Weight |
|
- <=20kg/mm Rolled material
- 1,000-4,000mm: Length to be cut off
- <=30mm Lateral winding
|
|
| Surface treatment |
|
- Polishing
- After tempered,it will be bright,gray blue,yellow,brown or blue.
|
|
Edge treatment |
|
- Rolled edge
- Cut edge
- Special required by customer
|
Application Example
Shock Absorber
Size Specification & Steel Features:
- Annular martensite,its carbon compound is almost decomposed completely.
- The inseparable change of tensile strength & tolerance
- The inseparable thickness tolerance
- The best flatness on lateral & vertical direction.
- Elaborately polished surface.
- Ra<=0.25mm:Coarse Coefficient
