NiCr21MoFeNb

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China GB NiCr21MoFeNb 镍及镍合金焊条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NiCr21MoFeNb / NiCr21MoFeNb

Category	Grade	Standard	Region/Area	Standard Content
Metals	NiCr21MoFeNb	GB/T 13814	China	镍及镍合金焊条

Chemical composition(mass fraction)(wt.%) of the NiCr21MoFeNb

Element	Min	Max	Similar
W	-	0.5000	-
Si	-	0.7000	-
S	-	0.0150	-
P	-	0.0200	-
Ni	57.0000	-	-
Nb	1.0000	2.8000	-
Mo	8.8000	10.0000	-
Mn	-	2.2000	-
Fe	-	5.0000	-
Cu	-	0.5000	-
Cr	20.5000	22.5000	-
C	-	0.0300	-

Mechanical Properties of steel grade NiCr21MoFeNb

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)
931 (≥)	384 (≥)	14	21	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	424

Physical Properties of steel grade NiCr21MoFeNb

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	-	-			0.43	-
675	175	-	11.3	321		-
427	-	33	43.2			144	333

Heat Treatment of steel grade NiCr21MoFeNb

Heat treated : 1234°C - 1463°C

Technological Curves of steel grade NiCr21MoFeNb

No Curve

Cross Reference Table (Equivalent Grade) of NiCr21MoFeNb

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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