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牌號	GX40CrSi29
德國W-Nr.	1.4776
對應標準	DIN 17465-1993 耐熱鑄鋼 Heat resisting steel castings - Technical delivery conditions
歸類	鑄鋼
標簽	鐵素體型耐熱鑄鋼最高工作溫度1150°C

GX40CrSi29 化學元素成分含量(%)

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

碳當量計算

GX40CrSi29 機械性能

產品	熱處理或狀態	抗拉強度 σ_b Mpa	屈服點 σ_s Mpa	斷后伸長率或延伸率 δ %	硬度 HBW
鑄鋼	鑄態	-	-	-	-

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

預熱到700~800°C。

爐內緩慢冷卻

1 近似對照表耐熱鑄鋼和耐熱合金鑄件

2 近似對照表耐蝕鑄鋼（不銹鋼鑄件）

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
GX40CrSi29	1.4776	26	11	5	1.5	-	-	1150

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