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Grade 10
Corresponding Standard GOST 1050-1988
Sized Bars Made Of High-Quality Structural Carbon Steel with A Special Surface Finish
Classification Carbon Steel
Properties Weldability Carburizing Ability
10 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu As
Minimum Value 0.07 0.17 0.35 - - - - - -
Maximum Value 0.14 0.37 0.65 0.035 0.04 0.15 0.3 0.3 0.08
① Identification numbers for steels (depending on degree of deoxidation) shall be used: kn is for rimmed steel; nc is for semi-killed steel; and identification numbers without letters are for killed steels.
②The nitrogen fraction of total mass in basic oxygen steel shall not exceed 0.006 % for light-gage rolled products and strips and 0.008 % for other types of rolled products.
10 Mechanical Properties
product Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Specified Plastic Yield Strength
Rp0.2
Mpa 		Elongation or Extension Rate
δ
% 		Reduction of Area
ψ
%
Rolled product ≥330 ≥205 ≥31 ≥55
Rolled product Hard-worked ≥410 ≥8 ≥50
Rolled product Annealed or high-temperature tempered ≥290 ≥26 ≥55
1 Approximate Comparison Table High-Quality Carbon Structural Steel
China Taiwan, China Japan South Korea United States Germany France Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM/AISI UNS DIN EN/DIN W-Nr. NF EN/NF GOST SS BS EN/BS
10 U20102 S10C S10C SM10C 1010 G10100 C10
Ck10 		1.0301
1.1121 		C10
XC10 		10 1265 040A10
045M10
2 Approximate Comparison Table High-Quality Carbon Structural Steel
China Japan United States Germany France European Standard Russia Sweden United Kingdom
GB JIS ASTM DIN EN/DIN NF EN/NF EN Numerical Grade GOST SS BS EN/BS
10 S9CK 1011
M1010 		C10
Ck10 		XC10 C10 1.0301 10 1265 045A10
3 Approximate Comparison Table High-Quality Carbon Structural Steel
International Organization for Standardization Germany France European Standard Russia United Kingdom
ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST BS EN/BS
C10
C15M2 		Ck10
Ck15 		XC10
XC12 		C10E 1.1121 08
10 		045M10
CS12
4 Approximate Comparison Table High-Quality Carbon Structural Steel
China Japan United States France Russia United Kingdom
GB JIS ASTM/AISI NF EN/NF GOST BS EN/BS
10 S10C 1010 C10
XC10 		10 040A10
045A10
060A10
10 Corresponding Standards(Same grade name, different standards)
1 GB /T 699-1999
10 U20102
2 GB /T 699-2015
10 U20102
3 GOST 1050-1988
10
4 GB 6479-2013
10 U20102
5 GB /T 8163-2018
10
6 AS 1442-2007
10
7 GB /T 3078-2019
10 10#
8 GB /T 710-2008
10 U20102
9 GB /T 711-2017
10 10#
10 GB /T 13237-2013
10

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