Standard: | ASTM, JIS, GB, AISI, DIN, BS |
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Certification: | ISO, RoHS |
Surface Treatment: | Polished |
Technique: | Cold Rolled |
Application: | Springs, Saws, Blades and etc |
Edge: | Slit edge |
Customization: |
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Full hard cold rolled tool steel strips SK5 SK85 SK4
Delivery Condition | Sizes | Surface | Edge |
1.Cold Rolled | 1.Thickness: 0.09-8mm | Bright / Polished / Blue/Yellow | Slit |
2.Cold Rolled+Hydrogen Annealed | 2.Width: 6-450mm | Round | |
3.Cold Rolled+Hardened+Tempered | Coil insider diameter: 300-800mm | Square |
THICKNESS TOLERNACES | |||||||
Nominal Thickness (mm) | W < 125 | 125 <= W | |||||
A | B | C | A | B | C | ||
0,15~0,25 | TS EN | ±0,015 | ±0,012 | ±0,008 | ±0,020 | ±0,015 | ±0,010 |
YONGLI STEEL | ±0,008 | ±0,010 | |||||
0,25~0,40 | TS EN | ±0,020 | ±0,015 | ±0,010 | ±0,025 | ±0,020 | ±0,012 |
YONGLI STEEL | ±0,010 | ±0,012 | |||||
0,40~0,60 | TS EN | ±0,025 | ±0,020 | ±0,012 | ±0,030 | ±0,025 | ±0,015 |
YONGLI STEEL | ±0,015 | ±0,015 | |||||
0,60~1,00 | TS EN | ±0,030 | ±0,025 | ±0,015 | ±0,035 | ±0,030 | ±0,020 |
YONGLI STEEL | ±0,015 | ±0,020 | |||||
1,00~1,50 | TS EN | ±0,035 | ±0,030 | ±0,020 | ±0,040 | ±0,035 | ±0,025 |
YONGLI STEEL | ±0,020 | ± 0,025 | |||||
1,50~2,50 | TS EN | ±0,040 | ±0,035 | ±0,025 | ±0,050 | ±0,040 | ±0,030 |
YONGLI STEEL | ±0,025 | ±0,030 | |||||
2,50~4,00 | TS EN | ±0,050 | ±0,040 | ±0,030 | ±0,060 | ±0,050 | ±0,035 |
YONGLI STEEL | ±0,030 | ±0,035 | |||||
Please contact us if you have any special requirements. |
GRADES COMPARISON FOR SPRING STEEL | ||||||||
CHINA GB/T | USA ASTM | JAPAN JIS | GERMANY DIN | FRANCE NF | BIRTAIN BS | ISO | KOREA KS | TAIWAN CNS |
45 | 1045 | S45C | CK45 | XC45 | C45 | |||
50 | 1050 | S50C | CK50 | XC50 | 080M50 | C50 | ||
60 | 1060 | S60C | CK60 | XC60 | 060A62 | C60 | ||
70 | 1070 | S70C | CK70 | XS70 | S70 | |||
75 | 1075 | S75C | CK75 | XC75 | C75 | |||
T10 | W1-9 | SK4 | ||||||
T9 | W1-8 | SK5 | ||||||
SK85 | --- | SK85 | ||||||
40Mn | 1043 | SWRH42B | 40Mn4 | 40M5 | 080A40 | SL,SM | ||
42Mn | ||||||||
65Mn | 1566 | S60C-CSP | CK67 | 080A67 | C60E4 | |||
55Si2Mn | 9255 | SUP 6 /SUP7 | 55Si7 | 55Si7 | 251H60 | 55SiCr7 | ||
60Si2Mn | 9260 | SUP 6 / SUP7 | 65Si7 | 65Si7 | 251H60 | 61SiCr7 | SUP3 | SUP6 |
62Si2Mn | ||||||||
75Cr1 | 75Cr1 | 75Cr1 | 75Cr1 | |||||
51CrV4 | 5160 | SUP9A | 51CrV4 | 51CrV4 | SPS5A | SUP9A | ||
30CrMo | G41300 | SUP13 | 35CrMo4 | SPS9 | SUP13 | |||
50CrVA | 6150 | SUP10 | 51CrV4 | 51CrV4 | 735A51 | 51CrV4 | SPS6 | SUP10 |
1, Factory Direct Sell
2, 30 years experience
3, Quality well controlled
4, 100% after sales services
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