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1.Dia:12-350mm 2. one of the four biggest manufacture 3.special material engineer 4..ISO Certificate, UT test

D2

 

Aplication:  Applied in thickness no less than 2mm punch mould, all kind of small mould for shearing and cutter together with screw0rolled or slappered mould as well as some other forming mould like rulers..

 

CHARACTERISTIC: E.S.R. materials, high compression strength and fine robustness. The spherical annealed make it easily processed by shearing and cutting with no crake while processing.

 

SIMILAR STEEL GRADE:

standard	GB	JIS	ASTM	DIN	ISO
Steel grade	Cr12Mo1V1	SKD11	D2	1.2379(X165CrMoV2)	160CrMoV12

 

CHEMICAL COMPOSITION (%)

C	Mo	Mn	Cr	V	Si	S	P
1.45-1.60	0.70-1.00	0.20-0.60	11.00-13.00	0.70-1.00	0.10-0.60	≤0.030	≤0.030

 

HARDNESS:≤255HB

 

DELIVERY STATUS: In annealed condition.

 

HEAT TREATMENT CONDITION:

1) Quenching temperature: 1000--1040°C

Cooling Medium: oil-cooling or air-cooling

Tempering temperature: 180-200°C, by two times

Tempering Hardness: ≥63.0HRC

2) Quenching temperature: 1060--1080°C

Cooling Medium: oil-cooling or air-cooling

Tempering temperature: 500-540°C, by two times

Tempering Hardness: ≥59.0-61.0HRC

 

Dimension:

Forging:	Forged disc	500-3000mm
	Forged ring	900-3000mm
	Barrel	400-1500×~8000mm
	Shaft	200-1500×~6000mm
	Profile	as required
Round bars:	Rolled:	10-220mm
	Forged:	80-350mm
Hot rolled Flat bars:	4-150×205-610×(≥1500mm)
Rolled wire rod	5.5-17mm

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