Delivery Time:25~55 days
Certification:ISO9001:2008;SGS TEST;TUV, BV and Mill certificate test

DIN1.2312 / AISIP20 + S Hot Rolled Plastic Mold Steel with Hardness 30 - 36HRC

Description:

1.DIN1.2312/AISIP20+S/4Cr2MnMo Hot Rolled Steel

2.Hot rolled  or  forged condition, Pre-harden &tempering , black surface

3.Hardness: 30~36HRC

4. Hot rolled technology:EAF+LF+VD

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

5.Production leadtime: 7~10 days

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

7.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

8.Compared grades(based on usage):

GB	AISI	DIN
40CrMnMo	P20+S	1.2312

9  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

Hardness after tempering:

Tempering °C	100	200	300	400
HRC	54	54	53	50

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.

Specifications:

Hot rolled condition	Steel plate(mm)	Mill name
	Thickness	Width	Length
Hot rolled	14~100	225~2400	18000~5800	WenFeng,TaiGang steel
Hot rolled	105~195	225~2400	18000~5800	BaoGang steel
Forged condition	1500~600	610~1200	2500~4000	Local mill with 6000tons fluid forged machine

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 standards