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SAE W109 Extra Details

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W109 Extra Application:Tool and die steels

Category Type Grade Designations
Grades Tool Die Steels W109 Extra USA - SAE , SAE J 437 (1970) - Selection and heat treatment of tool and die steels
SAE J 438 (1970) - Tool and die steels

Chemical composition(wt.%) of W109 Extra grade: SAE J 437 (1970)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.85 0.95
Si 0.10 0.40
Mn 0.10 0.40
Cr - -
V - -
Tool and die steels

Mechanical properties of grade W109 Extra SAE J 437 (1970)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
477 (≥) 278 (≥) 31 24 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical properties of grade W109 Extra SAE J 437 (1970)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
525 (≥) 642 (≥) 22 44 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 442
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
183 191 435

W109 Extra - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
W109 Commerial SAE USA
Tool and die steels
W109 Standard SAE USA
Tool and die steels
W109 Extra SAE USA
Tool and die steels
W109 Special SAE USA
Tool and die steels

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