34CrNiMo6 SAE4340 Forged Steel Square Flat Bar Steel Block VCN150 Dimension 75*520*680mm
1: 34CrNiMo6 steel introduction
34CrNiMo6 Steel is an important alloy engineering steel grade as per BS EN 10083-3:2006. 34CrNim06 steel has high strength, high toughness and good hardenability. EN / DIN 34CrNiMo6 alloy steel has the stability of resistance to overheating, but the white sensitivity of 34CrNiM06 is high. It also has the temper brittleness, so the weldability of 34CrNiMo6 material is poor. The steel 34CrNiMo6 needs the high temperature preheating before welding in order to eliminate the stress after welding processing.
2: 34CrNiMo6 Steel equivalent
| Country | Germany | USA |
| Standard | EN 10083-3 | ASTM A29 |
| Grade | 34CrNiMo6/1.6582 | 4337 |
3: 34CrNiMo6 steel chemical composition
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni |
| 4337 | 0.3-0.4 | 0.2-0.35 | 0.6-0.8 | 0.035 | 0.04 | 0.7-0.9 | 0.2-0.3 | 1.65-2.0 |
| 34CrNiMo6 | 0.3-0.38 | 0.4 | 0.5-0.8 | 0.025 | 0.035 | 1.3-1.7 | 0.15-0.3 | 1.3-1.7 |
4: 34CrNiMo6 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: 34CrNiMo6 steel overviews
| Size | Round | Dia 6-1200mm |
| Plate/Flat/Block | Thickness
6mm-500mm |
Width
20mm-1000mm |
| 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 | 34CrNiMo6 are used for heavy machinery axle,turbine shaft blade, high load of transmission parts, fasteners, crank shafts, gears, as well as heavily loaded parts for motor construction etc. |
6: Delivery condition
For hot forged bar, usually the delivery condition is hot forged, annealed rough turned/Black surface.
For hot rolled bar, usually the delivery condition is hot rolled, annealed, Black surface.
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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34CrNiMo6 SAE4340 Forged Steel Square Flat Bar Steel Block VCN150 Dimension 75*520*680mm Images
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