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ASTM 1021

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UNS G10210 SKC3②
#ASTM # #1021

Description

USA ASTM ASTM 1021 General use carbon steel bar and ASTM 1021 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: ASTM 1021
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel ASTM 1021 ASTM USA General use carbon steel bar
ASTM 1016
UNS G10170
ASTM 1017
ASTM 1018
UNS G10180
UNS G10190
ASTM 1019
ASTM 1020
UNS G10200
UNS G10210

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

C(％) Mn(％) P(％) S(％)
0.18～0.23 0.60～0.90 ≤0.040 ≤0.050

Mechanical Properties of steel grade ASTM 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)
243 (≥) 243 (≥) 24 21 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade ASTM 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
13 - -     0.43 -  
969 712 - 43.3 132   -  
798 - 31 11.2   111 423

Heat Treatment of steel grade ASTM 1021

Heat treated : 1461°C - 1149°C

Technological Curves of steel grade ASTM 1021

Cross Reference Table (Equivalent Grade) of ASTM 1021

Grade Standard Country Application
ASTM 1030 ASTM USA General use carbon steel bar
ASTM 1005 ASTM USA General use carbon steel bar
ASTM 1006 ASTM USA General use carbon steel bar
ASTM 1008 ASTM USA General use carbon steel bar
ASTM 1010 ASTM USA General use carbon steel bar
ASTM 1013 ASTM USA General use carbon steel bar
ASTM 1015 ASTM USA General use carbon steel bar
ASTM 1016 ASTM USA General use carbon steel bar
ASTM 1017 ASTM USA General use carbon steel bar
ASTM 1018 ASTM USA General use carbon steel bar
ASTM 1019 ASTM USA General use carbon steel bar
ASTM 1020 ASTM USA General use carbon steel bar
ASTM 1021 ASTM USA General use carbon steel bar
ASTM W1-A ASTM USA Carbon tool steel
ASTM A182 F55 ASTM USA Super Duplex
ASTM 431 ASTM USA Martensitic special steel
ASTM 440A ASTM USA Martensitic special steel
ASTM 440B ASTM USA Martensitic special steel
ASTM 440C ASTM USA Martensitic special steel
ASTM 501 ASTM USA Martensitic special steel
UNS G10210 SKC3②
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