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GOST 1050:1988 — Metal Products from nonalloyed structural quality and special steels - General specification

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GOST 1050:1988Metal Products from nonalloyed structural quality and special steels - General specification
GOST 1577Rolled sheets and wide strips of structural quality steel - Specifications
GOST 2284:1979GOST 2284
GOST 10702:1978GOST 10702
GOST 8731GOST 8731
GOST 4041:1971GOST 4041
GOST 8479:1970GOST 8479
GOST 16523:1997Rolled sheets from quality and ordinary carbon steel for general purposes. Specifications
GOST 17305:1991GOST 17305
GOST 8733:1974GOST 8733
GOST 5663:1979GOST 5663

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Element	min	max	Similar	Remarks
As		0.08
C	0.32	0.4
Cr		0.25	For patented wire Cr= max 0.15%	For patented wire Cr= max 0.15%
Cu		0.3	For patented wire Cu= max 0.2%	For patented wire Cu= max 0.2%
Mn	0.5	0.8	For patented wire Mn=0.3-0.6 %	For patented wire Mn=0.3-0.6 %
N		0.008	For BOF cold rolled steel sheets N=max 0.0060%	For BOF cold rolled steel sheets N=max 0.0060%
Ni		0.3	For patented wire Ni= max 0.15%	For patented wire Ni= max 0.15%
P		0.035
S		0.04
Si	0.17	0.37

Heat treatment / condition	Yield strength	Tensile strength	Elongation	Reduction of area	Impact energy	Hardness
bars, d, t <= 80 mm	315	530	20	45
bars, not heat treated						HB ≤207 Rolled and forged product.
bars, quenched and tempered					≥69 KCU
bars, quenched and tempered, <= 16 mm	≥430	630–780	≥17 Lo = 5 mm		≥25 KC
bars, quenched and tempered, > 16 <= 40 mm	≥380	600–750	≥19 Lo = 5 mm		≥25 KC
bars, quenched and tempered, > 40 <= 100 mm	≥315	550–700	≥20 Lo = 5 mm		≥25 KC
bars, hardened		≥590	≥6 Lo = 5 mm	≥35		HB ≤229 Gauged product with special surface finish.
bars, annealed or tempered		≥470	≥15 Lo = 5 mm	≥45		HB ≤187 Gauged product with special surface finish.

Temperature

20.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
206.00					7.83

100.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
197.00	11.10	51.00	469.00	0.25

200.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
183.00	11.90	49.00	481.00	0.32

300.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
176.00	13.00			0.41

400.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
167.00	13.40	42.00	523.00	0.51

500.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	14.00		569.00	0.63

600.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	14.40			0.76

700.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	15.00			0.92

800.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
				1.11

900.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
				1.16

Density	Elastic modulus	Poisson's ratio	Remarks
7.80	202.00	0.27–0.30	低碳无合金钢的材料性能属性数值，此值不来源于标准，它是指示性指标，不能被用于设计用途。

Type	1
Heat-treatment curve	淬透性
Heat-treatment curve	Tempered