Superseded90% confidenceDecision RuleTime unknown
厨刀选钢材看硬度HRC值：德系刀(如双立人)HRC约56-58，韧性好不易崩口适合新手；日系刀(如旬)HRC60-62更锋利保持性好但脆易崩，切硬物需谨慎
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This knowledge claim has been superseded by newer content
钢材硬度HRC 56-58适合户外重砍劈，韧性好不易崩刃；HRC 59-62更锋利耐磨但脆，适合精细切削，重砍易崩Sources
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