40CrMnNiMo8-6-4 | 1.2738 Cold Work Alloy Tool Steel China suppliers, wholesale, distributors and stockholder. Otai Special Steel is manufacturers and Have large quantity Stock in warehouse. We supply in Round bar, gauge plate steel, pipe / Tube,rod, square, hexagonal, blanks, plate, sheet, precision ground flat bar, precision ground bar stock and hollow bar. provide black surface and black surface alloy steel material.
40CrMnNiMo8-6-4 | 1.2738 is a German Cold work tool alloy steel material grade.it is shock resisting steel. it belong to DIN 17350 standard. Digital Grade material number 1.2738. Metal Steel Grade W-Nr 40CrMnNiMo8-6-4. It is a die steel, use in extrusion moulds, Hot Cast moulds. like aluminium production, Aluminium cutting mold. Our Tool Steel material 100 % ultrasonic tested with good price. Small size steel products make by hot rolled, large size steel products make by forging. 1.2738 with 40CrMnNiMo8-6-4 is equivalent Belong to W-Nr and DIN.
40CrMnNiMo8-6-4 | 1.2738 Steel material properties datenblatt as below:
Chemical composition data of Metal 40CrMnNiMo8-6-4 | 1.2738 Cold work tool steel-DIN 17350-1980 (EN4957-2001)
| C | Si | Mn | P | S | W | Cr | V |
| 0.35～0.45 | 0.20～0.40 | 1.30～1.60 | 0.035 max | 0.035 max | 1.80～2.10 | 1.80～2.10 | ~ |
Material equivalent of DIN 40CrMnNiMo8-6-4 | 1.2738 steel
| USA | Germany | China | Japan | France | England | Italy | Poland | Czechia | Austria | Sweden | Spain |
| – | DIN,WNr | GB | JIS | AFNOR | BS | UNI | PN | CSN | ONORM | SS | UNE |
| 40CrMnNiMo8-6-4 | 1.2738 | |||||||||||
Physical properties of 40CrMnNiMo8-6-4 | 1.2738 Tool Steel
- Density: 7.85kg/m3
- Thermal conductivity:
- Forging ratio: 5:1 Minimum
- Microstructure:
- Magnetic:
Mechanical properties of Alloy Steel 40CrMnNiMo8-6-4 | 1.2738
Hardness： Annealing 235 HB max, Q+T: 51~46 HRc, different hardness according different Tempering temperature.
- Yield strength:
Heat treatment of 40CrMnNiMo8-6-4 | 1.2738 Cold work tool steel
- Annealing: Annealing temperature/℃: 710~740; After the annealing, degree of hardness ≤HBS: 235
- Quenching: Hardening temperature/℃: 840~870, Quenching in oil
- Tempering: Commonly used drawing temperature/℃: 180~220; After tempering hardness HRC | 100 ℃ : 51; After tempering hardness HRC | 200 ℃ : 50; After tempering hardness HRC | 300 ℃ : 48 ; After tempering hardness HRC | 400 ℃ : 46
- Normalizing：at Normalizing temperature, then cool in furnace
Forged steel properties of Cold work tool 40CrMnNiMo8-6-4 | 1.2738 tool steel
For forging 40CrMnNiMo8-6-4 | 1.2738 steel, Slowly Pre-heat, at temperature/℃: 1050~850 Forged
Processing of Steel Material 40CrMnNiMo8-6-4 | 1.2738
Otai Special provide the Grinding, milling , polishing, turning, drilling and others machining service as your required tolerances and size.
Packing of 40CrMnNiMo8-6-4 | 1.2738 steel
By steel Wire Bundling then put in container, or as customer require packing.
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