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Grade 1021
USA UNS G10210
Corresponding Standard SAE J403-2014
Chemical Compositions of SAE Carbon Steels
Brand/Supplier
-> POSCO
-> BAOSTEEL
Classification Carbon Steel
1021 Chemical Element Composition Content (%)
  Component C Mn P S
Flat Rolled Products Minimum Value 0.18 0.6 - -
Maximum Value 0.23 0.9 0.03 0.035
  Component C Mn P S
Long Products Minimum Value 0.18 0.6 - -
Maximum Value 0.23 0.9 0.04 0.05
New and Old Grade Replacement List
Corresponding Standard Grade
SAE J 403-2001
USA UNS
SAE
SAE J403-2014
Grade
USA UNS
1021 Corresponding Standards(Same grade name, different standards)
1 SAE
1021 1021
2 ASTM A29/A29M-2012
1021 G10210
3 SAE J 403-2001
1021 G10210
4 ASTM A29/A29M-2005
1021 G10210
5 ASTM A1040-2010
1021 G10210
6 ASTM A510/A510M-2013
1021 G10210 1021
7 SAE J403-2014
1021 G10210
8 ASTM A29/A29M-2020
1021 G10210
9 ASTM A519/A519M-2024
1021
10 ASTM A659/A659M-2022
1021
11 ASTM A787/A787M-2024
1021
12 ASTM A513/A513M-2025
1021
13 ASME SA-513-2023
1021

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