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GB/T11251 20Cr alloy steel plate stock

According to the standard GB/T11251-2009, 20Cr steel is equivalent to JIS (Japan) SCr420, ASTM (United States) 5120 and ISO 20Cr4. If you’re interested in Chinese steel grade 20Cr alloy steel plate and 20Cr steel sheets stock, please do hot hesitate to co

GB/T11251 20Cr alloy steel plate stock