| Type: | Coil |
|---|---|
| Standard: | AISI, ASTM, DIN, JIS, GB, BS |
| Composition: | Ferrous Steel Scrap |
| Technique: | Cold Rolled |
| Shape: | Strip |
| Surface Treatment: | Polished |
| Samples: |
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| Customization: |
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51CrV4 1.8159 SAE 6150 SUP10 C75 D6A spring steel strip
1,Delivery Conditions:
| 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 |
2, Grades comparision:
| 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 |
3, Our Tolerances:
| 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. | |||||||
| WIDTH TOLERANCES FOR SLIT EDGE (GK) | |||||||
| Width Tolerances TS EN 10140 | Production Width (mm) | ||||||
| Nominal Thickness (mm) | W < 125 | 125 <= W <= 250 | 250 < W | ||||
| A | B | A | B | A | B | ||
| 0,2 ~ 0,6 | TS EN | ± 0,15 | ± 0,10 | ± 0,20 | ± 0,13 | ± 0,25 | ± 0,18 |
| YONGLI STEEL | ± 0,10 | ± 0,13 | ± 0,18 | ||||
| 0,6 ~ 1,5 | TS EN | ± 0,20 | ± 0,13 | ± 0,25 | ± 0,18 | ± 0,30 | ± 0,20 |
| YONGLI STEEL | ± 0,13 | ± 0,18 | ± 0,20 | ||||
| 1,5 ~ 2,5 | TS EN | ± 0,25 | ± 0,18 | ± 0,30 | ± 0,20 | ± 0,35 | ± 0,25 |
| YONGLI STEEL | ± 0,18 | ± 0,20 | ± 0,25 | ||||
| 2,5 ~ 4,0 | TS EN | ± 0,30 | ± 0,20 | ± 0,35 | ± 0,25 | ± 0,40 | ± 0,30 |
| YONGLI STEEL | ± 0,20 | ± 0,25 | ± 0,30 | ||||
5, Applications:
| Product standard | Applications | S50C(CK50/1050) | - Measuring tape | |
| 65Si2Mn | - Springs | - Structural parts of cameras | ||
| 50CrV4 | - Springs | - Chain parts | ||
| 51CrV4 | - Springs | - Springs | ||
| SK4 (1095) | - Measuring tape | - Clutch parts | ||
| - Razor blades | - Washers | |||
| - Pen points | - Safety buckles | |||
| - Wind-up springs | S55C(CK55/1050) | - Springs | ||
| - Springs | - Safety shoes | |||
| - Cutlery | - Can openers | |||
| - Knitting needles | - Thompson blades | |||
| SK5 (1085) | - Measuring tape | - Structural parts of cameras | ||
| - Gauges | S60C(CK60/1060) | - Chain parts | ||
| - Springs | - Hand saws for woodworking | |||
| - Cutlery | - Safety shoes | |||
| - Knitting needles | - Springs | |||
| - Band saws for woodworking | - Office equipment parts | |||
| and lumbering | - Washers | |||
| - Round saws | S65C(65MN/CK67) | - Safety shoes | ||
| - Office equipment parts | - Clutch parts | |||
S45C(CK45/1045) |
- Clutch parts | - Springs | ||
| - Chain parts | - Washers | |||
| - Retainers | S75C(CK75/1075) | - Clutch parts | ||
| - Washers | - Springs | |||
| S50C(CK50/1050) | - Measuring tape | - Band saws | ||
| - Structural parts of cameras |
5, Our Mill:
-Cold rolling mill 2HI, 4HI, 6HI-- 7 sets
-Annlealing Furnace Hydrogen and Nitrogen-30 sets
-EBNER lead quenching lines-2 sets , Water quenching lines-10 sets
-Slitting machines-8 sets
-Pinch pass mill : 6 sets
-Our warehouse
Suppliers with verified business licenses
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