Grade 530A30
Corresponding Standard BS 970-1-1983
British Standard Specification for Wrough steels for mechanical and allied engineering purposes Part 1. General inspection and testing procedures and specific requirements for carbon,carbon manganese,alloy and stainless steels
Classification Alloy Steel
Properties Machinability
530A30 Chemical Element Composition Content (%)
Component C Mn P S Cr Ni Mo
Minimum Value 0.28 0.6 - 0.025 0.9 - -
Maximum Value 0.33 0.8 0.035 0.05 1.2 0.4 0.15
• For older grades of stainless steel, see Table 2 of standard BS 970-4-1970
Approximate Comparison Table Structural Alloy Steel
China Taiwan, China Japan South Korea United States Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM/AISI UNS DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
30Cr A20302 SCr430 SCr430 SCr430 5130 G51300 28Cr4 1.7030 32C4 30Х 530A30

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