Chinese
Available 24/7 at contact@steel-grades.com
SGSG
Toggle menu

SAE 4640

Favorite Datasheet
AISI A4640 AISI E4640
#SAE # #4640

Description

SAE 4640 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SAE 4640
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel SAE 4640
AISI 4620
SAE 4620
UNS G46200
SAE X4620
AISI E4620
SAE 4621
UNS G46210
SAE 4626
UNS G46260
AISI A4640

Chemical composition(mass fraction)(wt.%) of the SAE 4640

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.38-0.43  0.2-0.35   0.6-0.8 0.04   0.04    1.65-2
Mo Al Cu Nb Ti V Ce
 0.2-0.3            
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SAE 4640

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)
921 (≥) 377 (≥) 24 13 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade SAE 4640

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
32 - -     0.41 -  
738 396 - 44.3 133   -  
229 - 44 43.2   132 134

Heat Treatment of steel grade SAE 4640

Heat treated : 1454°C - 1784°C

Technological Curves of steel grade SAE 4640

Cross Reference Table (Equivalent Grade) of SAE 4640

Grade Standard Country Application
SAE NVl(1541) SAE USA precipitation hardening
SAE NV2(1547) SAE USA precipitation hardening
SAE NV3 SAE USA precipitation hardening
SAE NV4(3140) SAE USA precipitation hardening
SAE NV5(8645) SAE USA precipitation hardening
SAE NV6(5150) SAE USA precipitation hardening
SAE NV7(4140) SAE USA precipitation hardening
SAE NV8 USA precipitation hardening
SAE NV9 SAE USA precipitation hardening
SAE HNVl SAE USA precipitation hardening
SAE HNV2 SAE USA precipitation hardening
SAE HNV3 SAE USA precipitation hardening
SAE HNV4 SAE USA precipitation hardening
SAE HNV5 SAE USA precipitation hardening
SAE HNV6 SAE USA precipitation hardening
SAE HNV7(71360) SAE USA precipitation hardening
SAE HNV8 SAE USA precipitation hardening
SAE EVl SAE USA precipitation hardening
SAE EV2 SAE USA precipitation hardening
SAE EV3 SAE USA precipitation hardening
AISI A4640 AISI E4640
Available Suppliers
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...

REQUEST FOR QUOTATION
  • Do you supply this SAE 4640?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top