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SAE A5 Details

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A5 Application:Alloy tool steel

Category Type Grade Designations
Grades Tool Die Steels A5 USA - SAE , ASTM A681-1999 - Alloy tool steel

Chemical composition(wt.%) of A5 grade: ASTM A681-1999

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.95 1.05
Si 0.10 0.50
Mn 2.80 3.20
P - 0.030
S - 0.030
Cr 0.90 1.20
Mo 0.90 1.40
Ni+Cu - 0.75
A5

Mechanical properties of grade A5 ASTM A681-1999

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)
346 (≥) 788 (≥) 24 44 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical properties of grade A5 ASTM A681-1999

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
215 (≥) 988 (≥) 14 32 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 334
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
481 333 355

A5 - 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
A5 SAE USA
Alloy tool steel
A 581 S18235 SAE USA
Free-Machining Stainless Steel Wire and Wire Rods
A 582 S18235 SAE USA
Standard Specification for Free-Machining Stainless Steel Bars
A 959 S18235 SAE USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
S18235 AISI USA
Ferritic Chromium Stainless Steel
A5 ASTM USA
Cold-Work Tool Steel

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