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K31820

Favorite Datasheet

America UNS K31820 Alloy Steel (HY80) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K31820 / K31820
Category Grade Standard Region/Area Standard Content
Metals K31820 -- America Alloy Steel (HY80)

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

Element Min Max Similar
V - 0.0300 -
Ti - 0.0200 -
Si 0.1500 0.3500 -
S - 0.0080 -
P - 0.0150 -
Ni 2.0000 3.2500 -
Mo 0.2000 0.6000 -
Mn 0.1000 0.4000 -
Cu - 0.2500 -
Cr 1.0000 1.8000 -
C - 0.1800 -

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)
166 (≥) 282 (≥) 32 32 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

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
12 - -     0.32 -  
166 969 - 42.3 344   -  
384 - 24 13.2   423 421

Heat Treatment of steel grade K31820

Heat treated : 1756°C - 1424°C

Technological Curves of steel grade K31820

Cross Reference Table (Equivalent Grade) of K31820

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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