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SAE 4027

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AISI 4027 UNS G40270
#SAE # #4027

Description

SAE 4027 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SAE 4027
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel SAE 4027
SAE 4012
UNS G40120
AISI 4017
SAE 4017
AISI 4023
SAE 4023
UNS G40230
SAE 4024
UNS G40240
AISI 4027

Chemical composition(mass fraction)(wt.%) of the SAE 4027

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.25 -0.3  0.15-0.35 0.7-0.9  0.035  0.04     
Mo Al Cu Nb Ti V Ce
0.2-0.3             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SAE 4027

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)
424 (≥) 885 (≥) 11 33 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade SAE 4027

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
44 - -     0.14 -  
891 882 - 21.3 223   -  
929 - 31 31.2   424 242

Heat Treatment of steel grade SAE 4027

Heat treated : 1197°C - 1681°C

Technological Curves of steel grade SAE 4027

Cross Reference Table (Equivalent Grade) of SAE 4027

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 4027 UNS G40270
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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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