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AISI 690

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UNS N07252 SAE NVl(1541)
#AISI # #690

Description

USA AISI AISI 690 precipitation hardening and AISI 690 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: AISI 690
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel AISI 690 AISI USA precipitation hardening
AISI 684
UNS N07500
AISI 685
UNS N07001
AISI 686
AISI 687
AISI 688
UNS N07750
AISI 689
UNS N07252

Chemical composition(mass fraction)(wt.%) of the AISI 690

C(％) Si(％) Mn(％) Cr(％) Ni(％) Mo(％) Co(%) Al(%) Ti(%)
0.03 1 0.8 18 38 3.2 20 0.20 2.75

Mechanical Properties of steel grade AISI 690

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)
999 (≥) 532 (≥) 31 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade AISI 690

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
31 - -     0.13 -  
255 629 - 44.3 424   -  
332 - 11 23.2   214 243

Heat Treatment of steel grade AISI 690

Heat treated : 1473°C - 1351°C

Technological Curves of steel grade AISI 690

Cross Reference Table (Equivalent Grade) of AISI 690

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 N07252 SAE NVl(1541)
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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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