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ASTM T2 Details

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T2 Application:High-Speed Tool Steel

Category Type Grade Designations
Grades Tool Die Steels T2 USA - ASTM ,

Chemical composition(wt.%) of T2 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.80 0.90
Si 0.20 0.40
Mn 0.20 0.40
P - 0.030
S - 0.030
Cr 3.75 4.50
Mo - 1.00
V 1.80 2.40
W 17.50 19.00
Co - -
High-Speed Tool Steel

Mechanical properties of grade T2

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)
785 (≥) 211 (≥) 34 33 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical properties of grade T2

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
925 (≥) 336 (≥) 41 22 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 242
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
879 682 758

T2 - 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
T201LN YB USA
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
08F GB China
This standard specifies the alloy steel, low alloy steel, alloy steel chemical composition relative to the provisions of the finished steel smelting chemical composition boundary limit allowable deviation, and gives the definition of related terms.
U20082 GB China
This standard specifies the alloy steel, low alloy steel, alloy steel chemical composition relative to the provisions of the finished steel smelting chemical composition boundary limit allowable deviation, and gives the definition of related terms.
Z2CDT29-04 AFNOR France
Stainless steels for general purposes. Plates, wide strips and strips
Z3CT20 AFNOR France
Stainless steels for general purposes. Plates, wide strips and strips
08X10H20T2 GOST Russia
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
08X15H25T2MΦP GOST Russia
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
1OXl1H20T2P GOST Russia
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
10X12H20T2 GOST Russia
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
10Xl1H20T2P(ЭИ696A) GOST Russia
Russia GOCT standard deformation of high temperature alloy grades and chemical composition
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