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UNS J94204

Favorite Datasheet
ASTM HK40 ASTM HT30
#UNS # #J94204

Description

USA AISI UNS J94204 and UNS J94204 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: UNS J94204
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy UNS J94204 AISI USA
ASTM CH20
UNS J93402
ASTM CN3MN
UNS J94651
ASTM CN7M
UNS N08007
ASTM CT15C
ASTM HK30
UNS J94203
ASTM HK40

Chemical composition(mass fraction)(wt.%) of the UNS J94204

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.35-0.45 Max 1.75 Max 1.50 Max 0.04 Max 0.040 23.0-27.0 19.0-22.0 Max 0.50

Mechanical Properties of steel grade UNS J94204

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)
844 (≥) 251 (≥) 12 12 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade UNS J94204

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 - -     0.13 -  
976 155 - 24.3 444   -  
195 - 31 34.2   111 134

Heat Treatment of steel grade UNS J94204

Heat treated : 1229°C - 1581°C

Technological Curves of steel grade UNS J94204

Cross Reference Table (Equivalent Grade) of UNS J94204

Grade Standard Country Application
UNS G10300 UNS USA General use carbon steel bar
UNS G10050 UNS USA General use carbon steel bar
UNS G10060 UNS USA General use carbon steel bar
UNS G10080 UNS USA General use carbon steel bar
UNS G10110 UNS USA General use carbon steel bar
ASTM 1012 ASTM USA General use carbon steel bar
UNS G10120 UNS USA General use carbon steel bar
UNS G10130 UNS USA General use carbon steel bar
UNS G10150 UNS USA General use carbon steel bar
UNS G10160 UNS USA General use carbon steel bar
UNS G10170 UNS USA General use carbon steel bar
UNS G10180 UNS USA General use carbon steel bar
UNS G10190 UNS USA General use carbon steel bar
UNS G10200 UNS USA General use carbon steel bar
UNS G10210 UNS USA General use carbon steel bar
UNS T72301 UNS USA Carbon tool steel
W2-A ASTM USA Carbon tool steel
UNS T72302 UNS USA Carbon tool steel
UNS S42800 UNS USA Martensitic special steel
UNS S43100 UNS USA Martensitic special steel
ASTM HK40 ASTM HT30
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