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T31502

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O2 O6
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Description

USA UNS T31502 Alloy tool steel and T31502 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: T31502
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy T31502 UNS USA Alloy tool steel
T30403
D4
T30404
D5
T30405
D7
T30407
O1
T31501
O2

Chemical composition(mass fraction)(wt.%) of the T31502

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%)
0.85～0.95 ≤0.50 1.40～1.80 ≤0.030 ≤0.030 ≤0.50 ≤0.30 ≤0.30

Mechanical Properties of steel grade T31502

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
372 (≥) 641 (≥) 32 22 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade T31502

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
22 - -     0.13 -  
778 238 - 13.3 143   -  
184 - 11 13.2   314 223

Heat Treatment of steel grade T31502

Heat treated : 1433°C - 1424°C

Technological Curves of steel grade T31502

Cross Reference Table (Equivalent Grade) of T31502

Grade Standard Country Application
5Cr4W5Mo2V China Alloy tool steel - hot-work die steel
O2 ASTM USA Alloy tool steel
T31502 UNS USA Alloy tool steel
BO2 UK Carbide for cutting tools
BO2 UK Carbide for cutting tools
Ni-Mo28 AFNOR France Special Alloy
Ni-Mo28 AFNOR France Alloy special steel
06Cr17Ni12Mo2 GBT China Stainless steel bars
022Cr17Ni12Mo2 GBT China Stainless steel bars
06Cr17Ni12Mo2Ti GBT China Stainless steel bars
06Cr17Ni12Mo2N GBT China Stainless steel bars
022Cr17Ni12Mo2N GBT China Stainless steel bars
06Cr18Ni12Mo2Cu2 GBT China Stainless steel bars
022Cr18Ni14Mo2Cu2 GBT China Stainless steel bars
022Cr25Ni22Mo2N GBT China Stainless steel bars
06Cr17Ni12Mo2 GBT China Stainless steel bars
07Cr17Ni12Mo2 GBT China Stainless steel bars
06Cr17Ni12Mo2Nb GBT China Stainless steel bars
0Cr17Ni12Mo2 GBT China Stainless steel bars
00Cr17Ni14Mo2 GBT China Stainless steel bars
O2 O6
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