GX40CrSi29 1.4776 - DIN 17465-1993

牌号	GX40CrSi29
德国W-Nr.	1.4776
对应标准	DIN 17465-1993 耐热铸钢 Heat resisting steel castings - Technical delivery conditions
归类	铸钢
标签	铁素体型耐热铸钢最高工作温度1150°C

GX40CrSi29 化学元素成分含量(%)

成分	C	Si	Mn	P	S	Cr
最小值	0.3	1	0.5	-	-	27
最大值	0.45	2.5	1	0.035	0.03	30

碳当量计算

GX40CrSi29 机械性能

产品	热处理或状态	抗拉强度 σ_b Mpa	屈服点 σ_s Mpa	断后伸长率或延伸率 δ %	硬度 HBW
铸钢	铸态	-	-	-	-

Material		Den- sity, in g/cm³	Thermal con- ductivity, in W/K.m	Specific heat capacity at 20 °C, in J/g.K	Coefficient of linear thermal expansion, in 10^-6 /K, at a temperature between 20 °C and
designation	number	Den- sity, in g/cm³	Thermal con- ductivity, in W/K.m	Specific heat capacity at 20 °C, in J/g.K	400 °C	800°C	1000°c
GX40CrSi29	1.4776	7.5	18.8	0.50	11.5	14.0	16.0

Material

suitable fillet metal

Heat treatment

designation

number

Covered electrode (symbol)

Wire or rod
(symbol)

Material number

prior to welding

after welding

GX40CrSi29

1.4776

29 9

X8Cr30 X10CrNi30-9

1.4773

1.4337

预热到700~800°C。

炉内缓慢冷却

1 近似对照表耐热铸钢和耐热合金铸件

2 近似对照表耐蚀铸钢（不锈钢铸件）

注：数据仅供参考！如有疑问，请填写"我要纠错"！

Material		1% creep limit after 10000 h, in N/mm², at a temperature, in °C, of						Maximum service temperature, in °C
designation	number	600	700	800	900	1000	1100	Maximum service temperature, in °C
GX40CrSi29	1.4776	26	11	5	1.5	-	-	1150