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SAE A11 Details

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A11 Application:Cold-Work Tool Steel (A-11)

Category Type Grade Designations
Grades Tool Die Steels A11 USA - SAE ,

Chemical composition(wt.%) of A11 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 2.40 2.50
Si 0.75 1.10
Mn 0.35 0.60
Cr 4.75 5.50
Mo 1.10 1.50
V 9.25 10.25
W 0.50 -
S 0.05 0.09
Cold-Work Tool Steel (A-11)

Mechanical properties of grade A11

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)
598 (≥) 264 (≥) 34 34 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical properties of grade A11

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
117 (≥) 571 (≥) 12 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 413
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
269 364 534

A11 - 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
NA11 B.S. UK
Specification for nickel and nickel alloys: bar
A11 SAE USA
Cold-Work Tool Steel (A-11)
Nickel 200 ASTM USA
Acid or alkaline food production (fruit juices, ice-creams), cristallization and concentration of mineral salts. Concentration of caustic salts. Machineries in which hydrocarbons are in reaction with fluorides. Storing and carriage of phenol. Production o

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