tempered ck75/ 1070 / 70 spring steel ck75 flat
Minimum Order: 0
Quality/Safety Certification: 0.00
1,high strenghth
2,goood toughness and plasiticity
3,suitable for making small size spring
4, spring steel ck75 flat
Sichuan Liaofu Special Steel Trading Co., Ltd
tempered ck75/ 1070 / 70 spring steel ck75 flat
1, Grade: GB 70/DIN 75/ASTM 1070
2, Chemical composition
| C | Si | Mn | Cr | Ni | Cu | P | S |
| 0.62~0.75 | 0.17~0.37 | 0.50~0.80 | ≤ 0.25 | ≤ 0.25 | ≤ 0.25 | ≤0.35 | ≤0.35 |
3.Payment term: .L/C or T/T with 30% deposit
4.Trade term: FOB
5, Delivery time : within a month
6, Delivery condition: hot-rolled, forged, or at the customers' requirement
7, Port: Dalian
8, MOQ:1 MT
9,mechanical property
| heat treatment | mechanical property | condition of delivery | HBS(≤) | |||||
| hardening heat | hardening media | temperature | yield strength/mpa | tensile strength/mpa | elongation | reduction of area | ||
| 830 | oil | 480 | 835 | 1030 | 8 | 30 | hot rolled/cold draw/heattreat | 285 |
Application: used for making small size spring such as variable voltage control spring,dynamometry spring, etc.
