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34CrNiMo6
Qilu
Product Description
DIN 34CrNiMo6 4337 QT Hot Rolled Steel Bar
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.
34CrNiMo6 Steel Stock in Warehouse
2: 34CrNiMo6 Quality Standard
34CrNiMo6 steel according to EN 10083-3.
3: 34CrNiMo6 Steel Equivalent
Country | Germany | USA |
Standard | EN 10083-3 | ASTM A29 |
Grade | 34CrNiMo6/1.6582 | 4337 |
4: 34CrNiMo6 Steel Chemical Composition
Grade | C | Si | Mn | P | S | Cr | Mo | Ni |
4337 | 0.30-0.40 | 0.20-0.35 | 0.60-0.80 | 0.035 | 0.04 | 0.70-0.90 | 0.20-0.30 | 1.65-2.00 |
34CrNiMo6 | 0.30-0.38 | 0.40 | 0.50-0.80 | 0.025 | 0.035 | 1.30-1.70 | 0.15-0.30 | 1.30-1.70 |
5: 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.
6: 34CrNiMo6 Steel Overviews
Size | Round | Dia 6-1200mm |
Plate/Flat/Block | Thickness | |
Width | ||
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 | |
7: 34CrNiMo6 Steel 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.
8: 34CrNiMo6 Steel Heat Treatment
Quenched and Tempered (Q+T) of 34CrNiMo6 Steel
Heat 34CrNiMo6 round steel slowly to the temperature of 850°C;
Soak at this hardening temperature quench in oil;
Temper as soon as 34CrNiMo6 steels reach room temperature.
Heat uniformly to the suitable temperature;
Withdraw from the furnace and cool in the air.
The usual tempering temperature is 600°C which depending on the actual requirements.
Forging
Hot forming temperature: 1100-900oC.
Machinability
Machining is best done with this 1.6582 alloy steel in the annealed or normalized and tempered condition. It can be machined by all conventional methods.
Welding
The alloy materials can be fusion or resistance welded. Preheat and post heat weld procedures should be followed when welding this alloy by established methods.
9: 34CrNiMo6 Steel Tolerance
Diameter(mm) | Tolerance | ||
Forged Steel Round Bar | 80-600 | Black Surface:0~+5 | Rough Machined or Turned:0~+3 |
650-1200 | Black Surface:0~+15 | Rough Machined or Turned:0~+3 | |
Hot Rolled Steel Round Bar | 16-310 | Black Surface:0~+1 | Peeled:H11 |
Cold Drawn Steel Round Bar | 6-100 | Black Surface:H11 | Peeled:H11 |
10: Delivery Condition
For hot forged or hot rolled bar, usually the delivery condition is hot forged or rolled, annealed or QT, black surface or rough turned.
For hot forged plate, usually the delivery condition is hot forged, annealed or QT, milled surface.
For hot rolled plate, usually the delivery condition is hot rolled, annealed or QT, black surface.
