GX25CrNiSi20-14 1.4832 - DIN 17465-1993

牌号	GX25CrNiSi20-14
德國W-Nr.	1.4832
對應标準	DIN 17465-1993 耐熱鑄鋼 Heat Resisting Steel Castings - Technical Delivery Conditions
歸類	鑄鋼
标簽	奧氏體型耐熱鑄鋼最高工作溫度950°C

GX25CrNiSi20-14 化學元素成分含量(%)

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

碳當量計算

GX25CrNiSi20-14 機械性能

產品	熱處理或狀态	抗拉強度 σ_b Mpa	屈服點 σ_s Mpa	斷後伸長率或延伸率 δ %	硬度 HBW
鑄鋼	鑄态	≥440①	≥230	≥10①	-

①适用于厚度t≤25mm的產品

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

不預熱或隻稍微預熱(到摸起來溫暖)。

不需熱處理

*hC表示高含碳量

近似對照表耐熱鑄鋼和耐熱合金鑄件

GX25CrNiSi20-14 對應不同标準

注：數據僅供參考！如有疑問，請填寫"我要糾錯"！

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