| Customization: | Available |
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| Type: | Round |
| Standard: | AISI, ASTM, DIN, JIS, GB, BS |
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1: 65Mn steel introduction
65Mn steel is a Chinese GB standard spring steel grade. Its strength, hardness, elasticity and hardenability are higher than that of 65# steel, but it has superheat sensitivity, easy to produce quench crack and temper brittleness. The annealed state has good machinability, and the cold deformation plasticity is low, but the weldability is poor.
2: 65Mn Steel equivalent
| Country | China | Germany | Britain | USA |
| Standard | GB | / | BS | AISI/SAE/ASTM |
| Grade | 65Mn | / | 080A67 | 1066 |
3: 65Mn steel chemical composition
| Grade | C | Si | Mn | P | S | Cr | Ni |
| 65Mn | 0.62-0.70 | 0.17-0.37 | 0.90-1.20 | 0.035 Max | 0.035 Max | 0.25 max | 0.25 max |
| 1066 | 0.6-0.71 | / | 0.85-1.15 | 0.04 | 0.05 | / | / |
4: 65Mn steel mechanical properties
The mechanical properties mainly include tensile strength, yield strength, elongation, area or reduction, hardness, impact value, non-metalic inclusion etc. Different heat treatment, the mechanical properties will be different, such as normalized, tempered, QT. If you want to know the properties, kindly contact the salesman.
5: 65Mn steel overviews
| Size | Round | Dia 6-1200mm |
| Plate/Flat/Block | Thickness 6mm-500mm |
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| Width 20mm-1000mm |
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| Heat treatment | Normalized ; Annealed ; Quenched ; Tempered | |
| Surface condition | Black; Peeled; Polished; Machined; Grinded; Turned; Milled | |
| Delivery condition | Forged; Hot rolled; Cold drawn | |
| Test | Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc. | |
| Payment terms | T/T;L/C;/Money gram/ Paypal | |
| Trade terms | FOB; CIF; C&F; etc.. | |
| Delivery time | 30-45 days | |
| Application | 65Mn high carbon steel is mainly used in the manufacture of various small-section flat springs, round springs, clockwork, etc. It can also be used to manufacture spring rings, valve springs, shock absorbers, clutch reeds and brake springs, regulating speed regulating spring, spring load, general machinery in the round, square spiral spring or pull wire for small mechanical spring. | |
6: Delivery condition
For hot forged or hot rolled bar, usually the delivery condition is hot forged or rolled, annealed, rough turned.
For hot forged plate, usually the delivery condition is hot forged, annealed, milled surface.
For hot rolled plate, usually the delivery condition is hot rolled, annealed, black surface.
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