chemical components of low-chrome alloy casting ball

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Ningguo Kaiyuan Electrical Power Wear-resistant materials Co.,Ltd

Anhui Ningguo helixi Economic and Technological Development Zone

0563-4309022

chemical components of low-chrome alloy casting ball


company	Ningguo Kaiyuan Electrical Power Wear-resistant materials Co.,Ltd
Categories	LED Displays
Update	2010-01-02
Original Region	China
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chemical components of low-chrome alloy casting ball

chemical components of low-chrome alloy casting ball

trade mark	chemical components
trade mark	C	Si	Mn	Cr	Mo	P	S
ZQCr2	2.2～3.5	≤1.4	0.3～1.5	0.4～3.0	≤1.0	≤0.15	≤0.15

mechanical properties and metallographic organization

trade mark	surface hardness(HRC)	impact value ak(J/cm2)	metallographic organization	impact fatigue life (time)
	tempering(B)
ZQCr2	≥45	≥1.6	P＋C	≥8000

chemical components of multi-element alloy casting ball

trade mark

chemical components

C

Si

Mn

Cr

Mo

Cu

Ni

Nb

Ti

Zr

V

B

P

S

multi-element ballⅠ

1.8～3.2

0.5～1.5

0.4～1.5

3.2～7.0

≤0.5

≤0.8

≤0.5

≤0.2

≤0.5

≤0.1

≤0.15

≤0.10

multi-element ballⅠⅠ

1.8～3.2

0.5～1.5

0.3～1.2

7.0～10

≤0.5

≤0.2

≤0.5

≤0.1

≤0.15

≤0.10

mechanical properties and metallographic organization

name	hardness(HRC)	impact value ak(J/cm2)	metallographic organization	Impact fatigue life (time)
multi-element ballⅠ	48～56	≥2.0	P＋C	＜φ80	≥13000
				≥φ80	≥8000
multi-element ballⅠⅠ	54～62	≥3.5	M＋C	＜φ80	≥15000
				≥φ80	≥8000

P—pearlite C-- carbide　 M-- Martensite

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