GX25CrNiSi20-14 1.4832 - DIN 17465-1993

牌号	GX25CrNiSi20-14
德国W-Nr.	1.4832
对应标准	DIN 17465-1993 耐热铸钢 Heat resisting steel castings - Technical delivery conditions
归类	铸钢
标签	奥氏体型耐热铸钢最高工作温度950°C

GX25CrNiSi20-14 化学元素成分含量(%)

成分	C	Si	Mn	P	S	Cr	Ni
最小值	0.15	1	-	-	-	19	13
最大值	0.3	2.5	1.5	0.035	0.03	21	15

碳当量计算

GX25CrNiSi20-14 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	≥440①	≥230	≥10①	-

①适用于厚度t≤25mm的产品

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
GX25CrNiSi20-14	1.4832	7.8	14.6	0.50	17.5	18.5	19.5

Material

suitable fillet metal

Heat treatment

designation

number

Covered electrode (symbol)

Wire or rod
(symbol)

Material number

prior to welding

after welding

GX25CrNiSi20-14

1.4832

22 12

25 20hC*

X12CrNi22-12 X40CrNi25-21

1.4829

1.4846

不预热或只稍微预热(到摸起来温暖)。

不需热处理

*hC表示高含碳量

近似对照表耐热铸钢和耐热合金铸件

GX25CrNiSi20-14 对应不同标准

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
GX25CrNiSi20-14	1.4832	82	46	23	10	-	-	950