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RefracTa loy 70

Description

RefracTa loy 70 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: RefracTa loy 70
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy RefracTa loy 70
R 35
R 39
R-235
RA 85H
RA 330
RA 330 Mod.
RA 330 TX
RA 330-04
RA 333
RefracTa loy 26

Chemical composition(mass fraction)(wt.%) of the RefracTa loy 70

C
Si
Mn
P
S
Cr Ni
0.04 0.3 0.2     20 21
Mo Al Cu Nb Ti W Fe
8         4.2 ...
N Co Pb B Other    
  30          
             

Mechanical Properties of steel grade RefracTa loy 70

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)
333 (≥) 414 (≥) 21 41 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade RefracTa loy 70

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
24 - -     0.14 -  
694 114 - 42.3 241   -  
135 - 43 33.2   211 111

Heat Treatment of steel grade RefracTa loy 70

Heat treated : 1435°C - 1481°C

Technological Curves of steel grade RefracTa loy 70

Cross Reference Table (Equivalent Grade) of RefracTa loy 70

Grade Standard Country Application
Type418(GreekAscollOy) UNS USA
Type418(GreekAscollOy) UNS USA
Lapelloy UNS USA Martensitic special steel
Lapelloy UNS USA Martensitic special steel
Vicalloy AISI USA Martensitic special steel
Waspaloy UNS USA Martensitic special steel
Alloy 52 SAE USA Alloy 52 is a 50.50% nickel-iron alloy developed for glass-to-metal seals for some of the soft glasses and some ceramics. The alloy’s rate of thermal expansion is virtually constant to a temperature of about 1050°F (565°C).
Alloy 713C ASTM USA HIGH-TEMPERATURE HIGH-STRENGTH NICKEL BASE ALLOYS,CAST ALLOYS
Alloy 713LC ASTM USA HIGH-TEMPERATURE HIGH-STRENGTH NICKEL BASE ALLOYS,CAST ALLOYS
UNS G10170 UNS USA General use carbon steel bar
HAP 70 AISI USA Powder metallurgy high-speed tool steel
C70W1 Germany Carbon tool steel
C70W2 DIN Germany Carbon tool steel
1.2703 DIN Germany Cold working alloy tool steel
1.2709 DIN Germany Cold working alloy tool steel
70Si7 DIN Germany Cold working alloy tool steel
SK70 JIS Japan Carbon tool steel
TC70 JIS Japan Carbon tool steel
SS14:1770 SS Sweden Carbide for cutting tools
SS14:1770 SS Sweden Carbide for cutting tools

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