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Thermax 25

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Thermax 17C Thermax 30
#Thermax #25

Description

Thermax 25 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: Thermax 25
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy Thermax 25
SUH 11 M
Super Inver
T201 L
T201 LN
Ta Z8
Ta Z 8A
Ta Z 8B
Tenelon
Thermax 12
Thermax 17C

Chemical composition(mass fraction)(wt.%) of the Thermax 25

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.35-0.5 2 2     24-27 18-23
Mo Al Cu Nb Ti V Ce
≤0.5            
N Co Pb B Other    
             
             

Mechanical Properties of steel grade Thermax 25

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)
548 (≥) 576 (≥) 11 23 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade Thermax 25

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
23 - -     0.11 -  
122 231 - 44.3 224   -  
638 - 22 41.2   311 241

Heat Treatment of steel grade Thermax 25

Heat treated : 1562°C - 1689°C

Technological Curves of steel grade Thermax 25

Cross Reference Table (Equivalent Grade) of Thermax 25

Grade Standard Country Application
Q255 A China Engineering and welding
Q255 B China Engineering and welding
H25 ASTM USA Alloy tool steel
T20825 UNS USA Alloy tool steel
CPM Rex 25 AISI USA Powder metallurgy high-speed tool steel
Stellite 25 Stellite alloy
Stellite 250 Stellite alloy
Stellite 251 Stellite alloy
1.1525 DIN Germany Carbon tool steel
C125W DIN Germany Carbon tool steel
1.1625 DIN Germany Carbon tool steel
125Cr1 DIN Germany Cold working alloy tool steel
125Cr2 DIN Germany Cold working alloy tool steel
125CrSi5 DIN Germany Cold working alloy tool steel
1.2510 DIN Germany Cold working alloy tool steel
1.2516 DIN Germany Cold working alloy tool steel
1.2519 DIN Germany Cold working alloy tool steel
1.2542 DIN Germany Cold working alloy tool steel
1.2550 DIN Germany Cold working alloy tool steel
1.2552 DIN Germany Cold working alloy tool steel
Thermax 17C Thermax 30
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Jiangyou Longhai Special Steel Co.,Ltd.

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