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W209 Extra

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W112 Extra W210 Extra
#W209

Description

USA SAE SAE J 437 (1970), SAE J 438 (1970), W209 Extra Tool Die Steels Tool and die steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Die Steels: W209 Extra
Category Class Grade Standard Country Application
Steel GradesTool Die Steels W209 Extra SAE USA Tool and die steels

Chemical composition(mass fraction)(wt.%) of the W209 Extra

C Si Mn Cr V
0.85 -0.95 0.10 -0.40 0.10 -0.40 ≤ ≥ 0.15 -0.35

Mechanical Properties of steel grade W209 Extra

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)
167 (≥) 732 (≥) 34 14 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade W209 Extra

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 - -     0.44 -  
271 386 - 12.3 344   -  
716 - 34 43.2   222 331

Heat Treatment of steel grade W209 Extra

Heat treated : 1746°C - 1425°C

Technological Curves of steel grade W209 Extra

Cross Reference Table (Equivalent Grade) of W209 Extra

Grade Standard Country Application
AISI W209 Commercial
SAE W209 Commercial
ASTM W209 Standard
ASTM W209 Extra
ASTM W209 Special
UNS W20918

Relevant standard of W209 Extra

SAE J 437 (1970) Selection and heat treatment of tool and die steels SAE-J-437-(1970).pdf
SAE J 438 (1970) Tool and die steels SAE-J-438-(1970).pdf
W112 Extra W210 Extra
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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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