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SNi7725(NiCr21Mo8Nb3Ti)

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China GB SNi7725(NiCr21Mo8Nb3Ti) Nickel and nickel alloy welding wires and rodes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SNi7725(NiCr21Mo8Nb3Ti) / SNi7725(NiCr21Mo8Nb3Ti)
Category Grade Standard Region/Area Standard Content
Metals SNi7725(NiCr21Mo8Nb3Ti) GB/T 15620 China Nickel and nickel alloy welding wires and rodes

Chemical composition(mass fraction)(wt.%) of the SNi7725(NiCr21Mo8Nb3Ti)

Element Min Max Similar
Mo 7.0000 9.5000 -
Nb 2.7500 4.0000 -
Cr 19.0000 22.5000 -
Ti 1.0000 1.7000 -
Al - 0.3500 -
Ni 55.0000 59.0000 -
Si - 0.2000 -
Fe 8.0000 - -
Mn - 0.4000 -
C - 0.0300 -

Mechanical Properties of steel grade SNi7725(NiCr21Mo8Nb3Ti)

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
233 (≥) 838 (≥) 11 13 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade SNi7725(NiCr21Mo8Nb3Ti)

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
33 - -     0.12 -  
242 274 - 31.3 223   -  
573 - 42 41.2   311 422

Heat Treatment of steel grade SNi7725(NiCr21Mo8Nb3Ti)

Heat treated : 1918°C - 1898°C

Technological Curves of steel grade SNi7725(NiCr21Mo8Nb3Ti)

Cross Reference Table (Equivalent Grade) of SNi7725(NiCr21Mo8Nb3Ti)

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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