1021

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#1021

Description

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

Datasheet for: Steel Grades:Carbon Steel: 1021

Category	Type	Steel Grade
Steel Grades	Carbon Steel	1021
		1016
		G10160
		1017
		G10170
		1018
		G10180
		1019
		G10190
		1020
		G10200

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

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.18-0.23		0.6-0.9	0.04	0.05
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
				3 ; 4

Si≤0.1%, 0.1-0.2%,0.2-0.4%,0.3-0.6%
Cu≤0.2%

Mechanical Properties of steel grade 1021

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
344 (≥)	937 (≥)	23	12	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	223

Physical Properties of steel grade 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	-	-			0.13	-
578	731	-	12.3	411		-
916	-	24	22.2			422	213

Heat Treatment of steel grade 1021

Heat treated : 1358°C - 1319°C

Technological Curves of steel grade 1021

No Curve

Cross Reference Table (Equivalent Grade) of 1021

Grade	Standard	Country	Application
UNS G10210	UNS	USA	General use carbon steel bar
ASTM 1021	ASTM	USA	General use carbon steel bar
1021			Australia Structural steel

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Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

Quality special steel

Superalloy & High Temperature Alloy