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AISI 1021

Description

AISI 1021 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: AISI 1021
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel AISI 1021
SAE 1018
AISI 1018
UNS G10180
SAE 1019
AISI 1019
UNS G10190
SAE 1020
AISI 1020
UNS G10200
SAE 1021

Chemical composition(mass fraction)(wt.%) of the AISI 1021

 

C
Si
Mn
P
S
Cr Ni
 0.18-0.23 0.07-0.6(a,b)  0.6-0.9 0.03  0.05     
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade AISI 1021

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)
274 (≥) 628 (≥) 44 12 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade AISI 1021

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
34 - -     0.23 -  
384 953 - 41.3 344   -  
867 - 22 32.2   442 241

Heat Treatment of steel grade AISI 1021

Heat treated : 1533°C - 1464°C

Technological Curves of steel grade AISI 1021

Cross Reference Table (Equivalent Grade) of AISI 1021

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

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