P20+Ni/ 718 mould steel

1) Grade: 1.2738 / 718H / P20+Ni Plastic mould steel block 2) Specification: 120-800mm * 200-1900mm 3) Q+T 30-38HRC

P20+Ni/3Cr2NiMo/DIN1.2738/718/M238

Applications: Injection moulds for thermo-plastics, extrusion dies for thermo-plastics, blow moulds, forming tools, machine components.

Steel Grade:

GB 3Cr2NiMo, %   

C	Si	Mn	P	S	Cr	Mo	Ni
0,28 - 0,40	0,20 - 0,80	0.60 - 1,00	<=0,035	<=0,035	1,40 - 2,00	0,30 - 0,55	0.85 – 1.15

DIN- 1.2738 %  

C	Si	Mn	P	S	Cr	Mo	Ni
0,35 - 0,45	0,20 - 0,40	1,30 - 1,60	<=0,035	<=0,035	1,80 - 2,10	0,15 - 0,25	0.90 – 1.20

Similar grade: AISI-P20+Ni,718,M238

Hardening : 1050 - 850 °C (oil)

Delivery Condition:

	GB/T1299-2000	DIN	AISI
Annealed (HB)	330~280	<=235
Harden(HRC)	58~62	46~51

Size available:

Square/Round Bar: 12~ 500mm

Flat: thickness, width, contracted.

Block: Mini size 20x 50mm ,Max Size, 400x 500mm

 

P20+Ni/ 718 mould steel