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UNI X 2 CrNiMo 17 12

Description

UNI X 2 CrNiMo 17 12 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: UNI X 2 CrNiMo 17 12

Chemical composition(mass fraction)(wt.%) of the UNI X 2 CrNiMo 17 12

Element Weight %
C 0.03
Mn 2.00
Si 1.00
Cr 16.0-18.0
Ni 10.0-14.0
P 0.045
S 0.03
Mo 2.0-3.0

Mechanical Properties of steel grade UNI X 2 CrNiMo 17 12

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)
112 (≥) 399 (≥) 41 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade UNI X 2 CrNiMo 17 12

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
21 - -     0.43 -  
467 949 - 32.3 244   -  
626 - 44 42.2   232 224

Heat Treatment of steel grade UNI X 2 CrNiMo 17 12

Heat treated : 1356°C - 1152°C

Technological Curves of steel grade UNI X 2 CrNiMo 17 12

Cross Reference Table (Equivalent Grade) of UNI X 2 CrNiMo 17 12

Grade Standard Country Application
UnitempAF2-1 USA Martensitic special steel
UnitempHS AISI USA Martensitic special steel
YG3X China Hard alloy tungsten cobalt class
YG6X China Hard alloy tungsten cobalt class
CPM Rex M2HCHS AISI USA Powder metallurgy high-speed tool steel
CPM Rex M3 AISI USA Powder metallurgy high-speed tool steel
CPM Rex M4 AISI USA Powder metallurgy high-speed tool steel
CPM Rex M4HS AISI USA Powder metallurgy high-speed tool steel
CPM Rex M35HCHS AISI USA Powder metallurgy high-speed tool steel
CPM Rex M42 AISI USA Powder metallurgy high-speed tool steel
CPM Rex 45 AISI USA Powder metallurgy high-speed tool steel
CPM Rex 45HS AISI USA Powder metallurgy high-speed tool steel
CPM Rex 20 AISI USA Powder metallurgy high-speed tool steel
CPM Rex 25 AISI USA Powder metallurgy high-speed tool steel
CPM Rex T15 AISI USA Powder metallurgy high-speed tool steel
CPM Rex T15HS AISI USA Powder metallurgy high-speed tool steel
CPM Rex 76 AISI USA Powder metallurgy high-speed tool steel
CPM Rex 76HS AISI USA Powder metallurgy high-speed tool steel
CX-1 AISI USA W-Ta-Co class carbide
CX-2 AISI USA W-Ta-Co class carbide

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