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Description

China GBT 1J91 non-retentive alloy and 1J91 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 1J91
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 1J91 GBT China non-retentive alloy
1J91
1J87
1J88
1J89
1J90
1J91
1J87
1J88
1J89
1J90

Chemical composition(mass fraction)(wt.%) of the 1J91

C(%) Si(%) Mn(%) P(%) S(%) Ni(%) Nb(%) Al(%) Fe(%)
0.03 ≤0.30 ≤0.60 0.020 0.020 78.5-80.0 7.7-8.4 0.90-1.20 Bal

Mechanical Properties of steel grade 1J91

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)
933 (≥) 399 (≥) 31 43 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade 1J91

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
23 - -     0.42 -  
557 927 - 44.3 414   -  
363 - 11 43.2   324 422

Heat Treatment of steel grade 1J91

Heat treated : 1159°C - 1672°C

Technological Curves of steel grade 1J91

Cross Reference Table (Equivalent Grade) of 1J91

Grade Standard Country Application
1J91 GBT China non-retentive alloy
1J91 GBT China non-retentive alloy
1J91 GBT China non-retentive alloy

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