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Description

China GBT NCF80A Austenitic Steel and NCF80A Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: NCF80A
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy NCF80A GBT China Austenitic Steel
STS440A
STS440B
STS440C
STS440F
STS630
STS631
STS317J5L
STS321
STS347
STSXMl5J1

Chemical composition(mass fraction)(wt.%) of the NCF80A

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Cu(%) Al(%) Ti(%)
0.04-O.1O Max 1.00 Max 1.00 Max 0.03 Max 0.15 18.O-21.O Max 0.20 1.OO-1.80 1.80-2.20

Mechanical Properties of steel grade NCF80A

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)
437 (≥) 874 (≥) 21 24 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade NCF80A

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
11 - -     0.41 -  
336 482 - 43.3 444   -  
778 - 41 42.2   411 224

Heat Treatment of steel grade NCF80A

Heat treated : 1897°C - 1973°C

Technological Curves of steel grade NCF80A

Cross Reference Table (Equivalent Grade) of NCF80A

Grade Standard Country Application
NCF80A① JIS Japan ferritic stainless steel
NCF80A GBT China Austenitic Steel
NCF80A GBT China Austenitic Steel
CNS NCF80A CNS China China Taiwan Heat-Resistant Steel

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