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🇨🇳 China equivalent of

S355JR1.0045

Q355B95%

Standard: GB · Source: GB/T 1591

Chinese equivalent, very close match

Other international equivalents

CountryStandardGradeMatch
🇺🇸USAASTMASTM A572 Grade 50REF
🇪🇺EuropeENS355JR100%
🇪🇺EuropeDINSt52-3 (old)98%
🇬🇧United KingdomBSBS 4360 50B92%
🇯🇵JapanJISSM490A90%