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634

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S35000 S35500
#634

Description

634 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 634
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy 634
619
S42300
630
S17400
631
S17700
632
S15700
633
S35000

Chemical composition(mass fraction)(wt.%) of the 634

 

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.10-0.15 0.5 0.5-1.25 0.04 0.03 15-16 4-5
Mo Al Cu Nb Ti V Ce
2.5-3.2            
N Co Pb B Other    
        Nb+Ta 0.1-0.5    
             

Mechanical Properties of steel grade 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)
219 (≥) 262 (≥) 24 22 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade 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
42 - -     0.13 -  
216 579 - 14.3 214   -  
439 - 13 13.2   224 442

Heat Treatment of steel grade 634

Heat treated : 1863°C - 1323°C

Technological Curves of steel grade 634

Cross Reference Table (Equivalent Grade) of 634

Grade Standard Country Application
AISI 634 AISI USA precipitation hardening
AISI 634 AISI USA precipitation hardening
ASTM 634 ASTM USA precipitation hardening
ASTM 634 ASTM USA precipitation hardening
AM-355(Type634) UNS USA precipitation hardening
AM-355(Type634) UNS USA precipitation hardening
416341 The Czech republic Structural steel
416342 The Czech republic Structural steel
416343 The Czech republic Structural steel
16341 The Czech republic Structural steel
16342 The Czech republic Structural steel
16343 The Czech republic Structural steel
S35000 S35500
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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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