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AISI 665

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UNS N09979 UNS S66545
#AISI # #665

Description

USA AISI AISI 665 precipitation hardening and AISI 665 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: AISI 665
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel AISI 665 AISI USA precipitation hardening
AISI 660
UNS S66286
UNS R30155
AISI 661
AISI 662
AISI 662
UNS S66220
AISI 663
AISI 664
UNS N09979

Chemical composition(mass fraction)(wt.%) of the AISI 665

C(％) Si(％) Mn(％) Cr(％) Ni(％) Mo(％) B(%) Al(%) Ti(%)
0.03 0.8 1.65 13.5 26 1.75 0.02 0.15 3.00

Mechanical Properties of steel grade AISI 665

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)
717 (≥) 365 (≥) 13 43 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade AISI 665

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
41 - -     0.31 -  
574 426 - 42.3 114   -  
863 - 31 31.2   424 111

Heat Treatment of steel grade AISI 665

Heat treated : 1927°C - 1392°C

Technological Curves of steel grade AISI 665

Cross Reference Table (Equivalent Grade) of AISI 665

Grade Standard Country Application
AISI 431 AISI USA Martensitic special steel
AISI 440A AISI China Martensitic special steel
AISI 440B AISI USA Martensitic special steel
AISI 440F AISI USA Martensitic special steel
AISI 440F Se AISI USA Martensitic special steel
AISI 501 AISI USA Martensitic special steel
AISI 501A AISI USA Martensitic special steel
AISI 501B AISI USA Martensitic special steel
AISI 502 AISI USA Martensitic special steel
AISI 503 AISI USA Martensitic special steel
AISI 504 AISI USA Martensitic special steel
AISI S13800 USA precipitation hardening
AISI S15500 AISI USA precipitation hardening
AISI 632 AISI USA precipitation hardening
AISI 630 AISI USA precipitation hardening
AISI 635 AISI USA precipitation hardening
AISI 631 AISI USA precipitation hardening
AISI 633 AISI USA precipitation hardening
AISI 633 AISI USA precipitation hardening
AISI 634 AISI USA precipitation hardening
UNS N09979 UNS S66545
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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