| ** 號(hào) | 化學(xué)成分(質(zhì)量分?jǐn)?shù))(%) | 
        
            | C | Si | Mn | P | S | Ni | Cr | M0 | 
        
            | 7Crl7 | O.60~
            O.75 | ≤1.00 | ≤1.00 | ≤0.035 | ≤O.030 | ③ | 16.00~18.00 | ① | 
        
            | 8Cr17 | 0.75~
            O.95 | ≤1.00 | ≤1.00 | ≤O.035 | ≤O.030 | ③ | 16.00~18.00 | ④ | 
        
            | 9Crl8 | 0.90~
            1.00 | ≤O.80 | ≤0.80 | ≤O.035 | ≤0.030 | ③ | 17.00~19.00 | ④ | 
        
            | llCrl7 | O.95~
            1.20 | ≤1.00 | ≤1.00 | ≤O.035 | ≤0.030 | ③ | 16.00~18.00 | ④ | 
        
            | YllCrl7 | O.95~
            1.20 | ≤1.00 | ≤1.25 | ≤0.060 | ≥O.15 | ③ | 16.00~18.00 | ④ | 
        
            | 9Crl8Mo | O.95~
            1.10 | ≤0.80 | ≤O.80 | ≤O.035 | ≤0.030 | ③ | 16.00~18.00 | 0.40~0.70 | 
        
            | 9Crl8MoV | O.85~
            0.95 | ≤O.80 | ≤0.80 | ≤O.035 | ≤O.030 | ③ | 17.00~19.00 | 1.00~
            1.30 | 
    
             
            
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