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SA-693 Type 634

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America ASME SA-693Type634 沉淀硬化不锈和耐热钢板、薄板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-693Type634 / SA-693 Type 634
Category Grade Standard Region/Area Standard Content
Metals SA-693 Type 634 ASME SA-693 America 沉淀硬化不锈和耐热钢板、薄板和钢带

Chemical composition(mass fraction)(wt.%) of the SA-693 Type 634

Element Min Max Similar
Si - 0.5000 -
S - 0.0300 -
P - 0.0400 -
Ni 4.0000 5.0000 -
Mo 2.5000 3.2500 -
Mn 0.5000 1.2500 -
Cr 15.0000 16.0000 -
Cb+Ta 0.1000 0.5000 -
C 0.1000 0.1500 -

Mechanical Properties of steel grade SA-693 Type 634

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)
133 (≥) 797 (≥) 32 44 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade SA-693 Type 634

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 - -     0.24 -  
895 121 - 12.3 443   -  
644 - 12 41.2   212 424

Heat Treatment of steel grade SA-693 Type 634

Heat treated : 1268°C - 1153°C

Technological Curves of steel grade SA-693 Type 634

Cross Reference Table (Equivalent Grade) of SA-693 Type 634

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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