Delivery Time:7-15days
Certification:ISO

DIN 1.2312 AISIP 20 + S Forging Die Steel Plate Pre-Harden for Injection Molding GB 40CrMnMo

1. Condition:Forged  , Pre-harden &tempering , black or milled surface

2. Hardness: 30~36HRC

3.  Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface

4. Production leadtime: 7~15 days

5. Ultrasonic test standards: SPE1921,GR3,Class D/D

6. Chemical composition:

C:0.35-0.45             Si:0.30-0.50               Mn:1.40-1.60                 P≤0.035            
S:0.05-0.10             Cr:1.80-2.00               Mo:0.15-0.25

 

7. Heat Treatment:

    Annealing: 710 - 730 °C

    Hardness after annealing:  Max. 230 HB

    Stress relieving:  Approx. 650 °C

    Hot forming: 1050 - 850 °C

    Hardening: 870 - 890 °C

    Quenching media: Oil, Salt bath, Vacuum

    Hardness after quenching: 50 - 54 HRC

 8.Applications:

Injection dies without special surface requirements and low mechanical stresses, medium and large sized

moulds for plastic processing, dies of light alloys with low melting point, mould fittings, mould frames for the

injection molding and die casting industries, components for general mechanical engineering, tools for

synthetic plastics processing, die holders, support plates, casings, chases, recipient sleeves, constructional

parts, hyrdo forming tools

 

9. Competitive Advantage:

1. Excellent machined ability properties with high S content

2. Good Toughness properties

3. Strong wear resistance

4. Uniform hardness of material and stablitity

5. Competitive price

6. Fast production leadtime

7. All the material are inspected with 3 times to meet the highly standard

Chemical composition:

Grade	C	Si	Mn	P	S	Cr	Mo
1.2312	0.35-0.45	0.30-0.50	1.40-1.60	≤0.035	0.05-0.10	1.80-2.00	0.15-0.25

Compared grades(based on usage):

GB	AISI	DIN
40CrMnMo	P20+S	1.2312

Specifications:

	Steel plate(mm)	Mill name
	Thickness	Width	Length
Forged condition	1500~600	610~1200	2500~4000	Local mill with 6000tons fluid forged machine