| 
 元素  | 
 材料级别  | 
|||
| 
 WC1  | 
 WC6  | 
 WC9  | 
 C12A  | 
|
| 
 成分,%  | 
||||
| 
 C  | 
 ≤0.25  | 
 0.05~0.20  | 
 0.05~0.18  | 
 ≤0.12  | 
| 
 Mn  | 
 0.50~0.80  | 
 0.50~0.80  | 
 0.40~0.70  | 
 0.30~0.60  | 
| 
 P  | 
 ≤0.035  | 
 ≤0.035  | 
 ≤0.035  | 
 ≤0.020  | 
| 
 S  | 
 ≤0.040  | 
 ≤0.040  | 
 ≤0.040  | 
 ≤0.018  | 
| 
 Si  | 
 ≤0.60  | 
 ≤0.60  | 
 ≤0.60  | 
 0.20~0.50  | 
| 
 Ni  | 
 --  | 
 --  | 
 --  | 
 ≤0.40  | 
| 
 Cr  | 
 --  | 
 1.00~1.50  | 
 2.00~2.75  | 
 8.0~9.5  | 
| 
 Mo  | 
 0.45~0.65  | 
 0.45~0.65  | 
 0.90~1.20  | 
 0.85~1.05  | 
| 
 Nb  | 
 --  | 
 --  | 
 --  | 
 0.060~0.10  | 
| 
 N  | 
 --  | 
 --  | 
 --  | 
 0.030~0.070  | 
| 
 元素  | 
 规定的残余元素,%  | 
|||
| 
 Al  | 
 --  | 
 --  | 
 --  | 
 ≤0.04  | 
| 
 Cu  | 
 ≤0.50  | 
 ≤0.50  | 
 ≤0.50  | 
 --  | 
| 
 Ni  | 
 ≤0.50  | 
 ≤0.50  | 
 ≤0.50  | 
 --  | 
| 
 Cr  | 
 ≤0.35  | 
 --  | 
 --  | 
 --  | 
| 
 W  | 
 ≤0.10  | 
 ≤0.10  | 
 ≤0.10  | 
 --  | 
| 
 V  | 
 --  | 
 --  | 
 --  | 
 0.18~0.25  | 
| 
 残留元素总量  | 
 ≤1.00  | 
 ≤1.00  | 
 ≤1.00  | 
 --  | 
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