65mn 1066 Spring Steel Coil , Spring Steel Strip Tempered Treated 0.8-8mm Thick
| Product | Spring heat treated strip steel |
| Thickness | 0.08mm-5.0mm |
| Width | 6.5mm-510mm |
| Length | as per your requirement |
| Material | S35C, S45C, S50C, S60C, S70C, S75C, 40Mn, 42Mn, 65Mn, CK67, SK4, SK5, SK85, SK7, T10A, SK551, 75Cr1, 50CrVa, 51CrV4, 30CrMo, 62Si2Mn, 60Si2Mn, Q235B, Q345B and etc |
| Technology | Cold rolled |
| Payment terms | T/T, 30% as deposit and 70% before shipment. |
| Delivery time | Within 20-30 days after deposit |
| Package | In bundle/coil, seaworthy package or as requested |
| Application | Building hardware tools;Leaf Spring,saw blade ,clutch,shrapnel,automanufacture,spring wire |
| GRADES COMPARISON FOR SPRING STEEL |
| CHINA GB/T | USA ASTM | JAPAN JIS | GERMANY DIN | FRANCE NF | BIRTAIN BS | ISO | KOREA KS | TAIWAN CNS |
| 35 | 1035 | S35C | CK35 | XC35 | 060A35 | C35 | | |
| 45 | 1045 | S45C | CK45 | XC45 | 060A47 | 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 | | | | | | |
| SKS51 | L6 | SKS51 | | | | | | |
| 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 |
Mechanical Properties
The mechanical properties of 65Mn Spring Steels are outlined in the following table.
| Tensile strength | Conditions to yield strength | Elongation | Reduction of area | Hardness (Hot Rolled) | Hardness (Cold Drawn) |
| σb (MPa):≥980 | σ0.2 (MPa):≥785 | δ 5 (%):≥8 | ψ (%):≥30 | ≤302HB; | |
Applications
65Mn steel, after heat treatment and cold drawing hardening, high strength, it has a certain toughness and plasticity; In the same surface hardening case, completely and the fatigue limit and alloy spring. But hardenability poor, mainly for the smaller size of the spring, such as regulating speed regulating spring, spring load, general machinery in the round, square spiral spring or pull wire for small mechanical spring.
Regular size and Tolerance
Steel round bar: Diameter Ø 2mm – 3000mm
Steel plate: Thickness 2mm – 3000mm x Width 100mm – 3500mm
Steel Hexagonal bar: Hex 5mm – 105mm
Others 65Mn have not specified size, pls contact our experienced sales team.
Processing
Moreover, GB 65Mn Spring Steel round bar and flat sections can be cut to your required sizes. 65Mn Spring Steel ground bar can also be supplied by us, providing a high quality Spring Steel precision ground Spring Steel bar to your required tolerances. And GB 65Mn steel is also available as Ground Flat Stock / Gauge Plate, in standard and nonstandard sizes.
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0.8-8mm Thickness 65mn Grade Spring Steel Strips used for cutting saw Images
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