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K31820

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J93183 K31830
#318

Description

USA AISI K31820 Specialsteel Alloy Steel (HY80) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: K31820
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel K31820 Precipitation-Hardening AISI USA Alloy Steel (HY80)

Chemical composition(mass fraction)(wt.%) of the K31820

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo V
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 13.00 -15.00 17.00 -19.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ 1.75 -2.75 ≤ ≥

Mechanical Properties of steel grade K31820

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)
842 (≥) 838 (≥) 33 11 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade K31820

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
21 - -     0.31 -  
889 614 - 23.3 422   -  
621 - 42 42.2   444 244

Heat Treatment of steel grade K31820

Heat treated : 1298°C - 1119°C

Technological Curves of steel grade K31820

Cross Reference Table (Equivalent Grade) of K31820

Grade Standard Country Application
1.4318
1.4318
1.3318
S31803
318
S31803
ASTM J93183
UNS W50318
UNS W21318
AWS E318
AWS ER318
1.3318
1.3318
2205(S31803)
S31803
318S17
318S17
1.4318
1.4318
J93183 K31830
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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