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RH 388

Favorite Datasheet

France AFNOR NF RH388 Iron and steel. Special structural steels suitable for the manufacture of suspension components and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: RH388 / RH 388
Category Grade Standard Region/Area Standard Content
Metals RH 388 NF A35-571 France Iron and steel. Special structural steels suitable for the manufacture of suspension components

Chemical composition(mass fraction)(wt.%) of the RH 388

Element Min Max Similar
Si 1.5000 2.0000 -
S - 0.0500 -
P - 0.0500 -
Mn 0.7000 1.0000 -
C 0.5500 0.6500 -

Mechanical Properties of steel grade RH 388

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)
952 (≥) 559 (≥) 41 42 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade RH 388

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
44 - -     0.41 -  
432 844 - 11.3 144   -  
363 - 24 33.2   212 434

Heat Treatment of steel grade RH 388

Heat treated : 1564°C - 1454°C

Technological Curves of steel grade RH 388

Cross Reference Table (Equivalent Grade) of RH 388

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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