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Grade 20
Corresponding Standard GB 3522-1983
Cold-rolled quality carbon structural steel strips
Classification Carbon Steel
20 Mechanical Properties
Tensile Strength
σb
Mpa 		Elongation or Extension Rate
δ
%
Cold-worked steel strip (Y) 490~833
Annealed steel strip (T) 314~539 ≥20
1 Approximate Comparison Table
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
20 U20202 S20C S20C SM20C 1020 G10200 C22E
Ck22 		1.1151 C22E
XC18 		20 1435 C22E
070M20
2 Approximate Comparison Table
International Organization for Standardization Germany France European Standard
ISO DIN EN/DIN NF EN/NF EN Numerical Grade
C25R Cm22 XC18u C22R
C22R 		1.1149
3 Approximate Comparison Table
China European Standard
GB EN Numerical Grade
20 P235TR1 1.0254
4 Approximate Comparison Table
China Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB JIS ASTM ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
20 SB410
SGV410
SPV235
SPV24 		A285
A285Gr.C 		P3 ASt35
HI
StE255 		1.0345 A37AP
A37CP 		P235GH 1.0345 12k 1330
1330-01 		141-360
161Gr.360
5 Approximate Comparison Table
China Japan United States International Organization for Standardization Germany European Standard Russia Sweden United Kingdom
GB JIS SAE ISO DIN EN/DIN W-Nr. EN Numerical Grade GOST SS BS EN/BS
20 S20C
S22C 		1020 C25 C22 1.0402 C22 1.0402 20 1450 070M20
6 Approximate Comparison Table
China Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB JIS ASTM ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST SS BS EN/BS
20 SM490B A537CL1 E355 StE355 A510AP
E355R 		P355N 1.0562 15GF 2106 223Gr.490
50DD
7 Approximate Comparison Table
China Japan United States France Russia United Kingdom
GB JIS ASTM/AISI NF EN/NF GOST BS EN/BS
20 S20C 1020 C20
XC18 		20 040A20
050A20
060A20
20 Corresponding Standards(Same grade name, different standards)
1 GB /T 699-1999
20 U20202 20#
2 ISO 4955-2005
(20) X8NiCrAlTi32-21
3 GB /T 699-2015
20 U20202 20#
4 GOST 1050-1988
20
5 ISO 683-13-1986
20
6 GB /T 17107-1997
20
7 GB 6479-2013
20 U20202
8 GB /T 8163-2018
20
9 ISO 4955-2016
(20) X8NiCrAlTi32-21 4876-088-00-I
10 GB /T 3078-2019
20 20#
11 GB /T 710-2008
20 U20202 20#
12 GB /T 711-2017
20 20#
13 HB /Z 136-2000
20
14 NB /T 47008-2017
20
15 GB /T 13237-2013
20
16 JB /T 6908-2020
20 U20202
17 GB 3522-1983
20

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