1.2764 X19NiCrMo4 Tool Steel For Plastic Mould
1.2764 X19NiCrMo4 Tool Steel For Plastic Mould
1.2764 X19NiCrMo4 is Case hardening steel,when hardened high core strength,good polishability in hardened condition.
We can provide more services:
1、Hardening and tempering
2、Vacuum heat treatment
3、Polished bright surface
4、Milling bright surface
5、CNC machine
6、Deep drilling
7、Cut into small pieces
8、Make it closer to the mold
Welcome to inquiry price from drawing
Applications:
Press tools,highly stressed plastic moulds,profiling rolls.
We can provide more services:
1、Hardening and tempering
2、Vacuum heat treatment
3、Polished bright surface
4、Milling bright surface
5、CNC machine
6、Deep drilling
7、Cut into small pieces
8、Make it closer to the mold
Welcome to inquiry price from drawing
Condition of delivery:
Soft annealed to max.250 HB
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） |
| C | 0.16 | 0.22 |
| Si | 0.10 | 0.40 |
| Mn | 0.15 | 0.45 |
| P | 0.030 | |
| S | 0.030 | |
| Cr | 1.10 | 1.40 |
| Mo | 0.15 | 0.25 |
| Ni | 3.80 | 4.30 |
| W | 0.30 | 0.50 |
Smelting Option
1 EAF: Electric Arc Furnace
2 EAF+LF+VD: Refined-smelting and vacuum degassing
3 EAF+ESR: Electro Slag Remelting
4 EAF+PESR: protective atmosphere Electro Slag Remelting
5 VIM+PESR: Vacuum induction melting
Forming Option
1 Hot rolling process
2 Hot Forging: Electro-hydraulic; High-speed-hydraulic; Oil-hydraulic; Precision-forging
Heat-treatment Option
1 +A: Annealed (full/soft/spheroidizing)
2 +N: Normalized
3 +NT: Normalized and tempered
4 +QT: Quenched and tempered (water/oil)
Suface Option
1 Black Surface
2 Grounded: Bright but rough ; Not precision
3 Machining for plate: Bright and precision; Little turning scar
4 Peeled/Turned: Bright and precision; Little turning scar
5 Polished: Very Bright and precision size; Not turning scar
Other Services
1 Cutting: Small pieces
2 CNC Machine: Produce as your drawing
3 Package: Bare/Nylon/Canvas/Wooden
4 Payment:T/T, L/C, O/A(request credit)
5 Transport:FOB/CFR/CIF/DDU/DDP (train/ship/Air)
Mechanical properties of grade 1.2764
| Yield Rp0.2 (MPa) | Tensile Rm (MPa) | Impact KV (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | HBW |
| 373 (≥) | 646 (≥) | 22 | 33 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 233 |
Physical properties(average values)at ambient temperature
Modulus of elasticity[103x N/mm-]:210
Density [g/cm3]:7.80
Soft Annealing
Heat to 620-660C,cool slowly in furnace.This will produce a maximum Brinell hardness of 255.
Intermediate Annealing
Temperature:600-630C.
Carburizing
Temperature:860-890C.
Hardening
Harden from a temperature of 780-810C followed by oil quenching or thermal bath at 180- 220C.
Tempering
Tempering temperature:150-180C.
Forging
Hot forming temperature:1050-850c.
