K612

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China GB K612 高温合金和金属间化合物高温材料的分类和牌号 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K612 / K612

Category	Grade	Standard	Region/Area	Standard Content
Metals	K612	GB/T 14992	China	高温合金和金属间化合物高温材料的分类和牌号

Chemical composition(mass fraction)(wt.%) of the K612

Element	Min	Max	Similar
W	8.0000	10.0000	-
Si	-	1.5000	-
Ni	-	1.5000	-
Mo	-	2.5000	-
Mn	-	1.5000	-
Fe	-	2.5000	-
Cr	27.0000	31.0000	-
Co	-	-	-
C	1.7000	1.9500	-
Al	-	1.0000	-

Mechanical Properties of steel grade K612

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
148 (≥)	315 (≥)	41	13	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	333

Physical Properties of steel grade K612

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
41	-	-			0.13	-
659	521	-	11.3	421		-
984	-	33	22.2			244	333

Heat Treatment of steel grade K612

Heat treated : 1482°C - 1324°C

Technological Curves of steel grade K612

No Curve

Cross Reference Table (Equivalent Grade) of K612

Grade	Standard	Country	Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1

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