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UNS T51621 Details

Mold Steel

UNS T51621 Standard Download

T51621 Datasheet
UNS T51621

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T51621 Application:Mold Steel
Category Type Grade Designations
Grades Tool Die Steels T51621 USA - UNS ,
Chemical composition(mass fraction)(wt.%)
Elements Min.（≥） Max.（≤） Similar Remarks
C 0.18 0.22
Si 0.20 0.40
Mn 0.20 0.40
P - 0.030
S - 0.030
Cr 0.15 0.30
Mo - -
V 0.15 0.25
W - -
Ni＋Cu - 0.75
Ni 3.90 4.25
Al 1.05 1.25
Mechanical properties of grade T51621
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)
465 (≥) 735 (≥) 24 24 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 131
Physical properties of grade T51621
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
375 (≥) 251 (≥) 34 14 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 431
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
374 432 144
T51621 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
T51621 UNS USA
Mold Steel