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UNS T31502 Details

Oil-Hardening Tool Steel

UNS T31502 Standard Download

T31502 Datasheet
UNS T31502

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T31502 Application:Oil-Hardening Tool Steel
Category Type Grade Designations
Grades Tool Die Steels T31502 USA - UNS ,
Chemical composition(mass fraction)(wt.%)
Elements Min.（≥） Max.（≤） Similar Remarks
C 0.85 0.95
Si - 0.50
Mn 1.40 1.80
P - 0.030
S - 0.030
Cr - 0.50
Mo - 0.30
V - 0.30
W - -
Ni＋Cu - 0.75
Mechanical properties of grade T31502
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)
759 (≥) 627 (≥) 13 24 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 331
Physical properties of grade T31502
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
148 (≥) 561 (≥) 14 22 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 222
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
582 228 285
T31502 Range of products
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
T31502 UNS USA
Oil-Hardening Tool Steel