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1.2316 X38CrMo16 Cold Work Tool Steel For Plastic Mould

Category : Special Steel

Product Name:

1.2316 X38CrMo16 Cold Work Tool Steel For Plastic Mould

Use:

plastic injection molds, in connection with chemically aggressive and acidic plastics such as thermoplastics and for PVC-arminoplastics, extrusion tools, compressor parts and for special machine parts in the food industry.

  • Description
  • Specification
  • Standard
  • Process
  • Packing

Applications :

Molds for pressing of chemically-aggressive plastic substances etc. All kinds of silicon steel sheet and high-speed blanking die. Precise stamping die. Cold extruding forming die. Cavitations Molds, Standard Mould Base, Compression Mould for SMC, blowing mould, Pet preform mold, plastic piping & plumbing injection molds.

Chemical composition %

C

Si

Mn

Ni

P

S

Cr

Mo

0.33 – 0.45

max   1

max   1.5

max   1

max   0.03

max   0.03

15.5 – 17.5

0.8 – 1.3


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

Yield
Rp0.2 (MPa)

Tensile
Rm (MPa)

Impact
KV/Ku (J)

Elongation
A (%)

Reduction in cross section on fracture
Z (%)

As-Heat-Treated Condition

Brinell hardness (HBW)

116 (≥)

695 (≥)

23

33

11

Solution and Aging, Annealing, Ausaging, Q+T,etc

443


HEAT TREATMENT:

already pre-toughened; usually no heat treatment required


Soft annealing:
760 to 800 °C for about 4 to 5 hours; slow controlled cooling of 10 to 20 °C per hour to about 650 °C; further cooling in air, max. 230 HB


Hardening:
1030 to 1050 °C 15 to 30 minutes keeping curing temperature  quenching in water/oil  obtainable hardness: 49 HRC


Tempering:
Slow heating to tempering temperature immediately after hardening. Minimum time in furnace: 1 hour per 20 mm part thickness


HEAT TREATMENT:

already pre-toughened; usually no heat treatment required


Soft annealing:
760 to 800 °C for about 4 to 5 hours; slow controlled cooling of 10 to 20 °C per hour to about 650 °C; further cooling in air, max. 230 HB


Hardening:
1030 to 1050 °C 15 to 30 minutes keeping curing temperature  quenching in water/oil  obtainable hardness: 49 HRC


Tempering:
Slow heating to tempering temperature immediately after hardening. Minimum time in furnace: 1 hour per 20 mm part thickness

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