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AISI 631

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AISI 316 ASTM A693
#AISI # # #631

Description

AISI 631 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: AISI 631
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel AISI 631
AISI 1074
ASTM A682
AISI 1095
ASTM A682
AMS 6455F
AISI 9254
AMS 6451A
AISI 301
AISI 302
AISI 316

Chemical composition(mass fraction)(wt.%) of the AISI 631

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.07           16-18  6.5-7.75
Mo Al Cu Nb Ti V Ce
  0.75-1.5           
N Co Pb B Other    
             
             

Mechanical Properties of steel grade AISI 631

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)
137 (≥) 481 (≥) 14 44 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade AISI 631

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
43 - -     0.24 -  
442 556 - 23.3 312   -  
121 - 11 43.2   232 324

Heat Treatment of steel grade AISI 631

Heat treated : 1486°C - 1584°C

Technological Curves of steel grade AISI 631

Cross Reference Table (Equivalent Grade) of AISI 631

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
AISI 316 ASTM A693
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Jiangyou Longhai Special Steel Co.,Ltd.

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