无锡15crmo合金管127*32标准高压无缝管化学成分 
高压无缝管化学成分:   
 
| 标准  | 
牌号  | 
化学成分(%)  |  
| C  | 
Si  | 
Mn  | 
P  | 
S  | 
Cr  | 
Mo  | 
Cu  | 
Ni  | 
V  | 
Al  | 
W  | 
Ti  | 
Nb  | 
N  |  
| GB3087  | 
10  | 
0.07~0.13  | 
0.17~0.37  | 
0.38~0.65  | 
≤0.030  | 
≤0.030  | 
0.3~0.65  | 
/  | 
≤0.25  | 
≤0.30  | 
/  | 
/  | 
  | 
  | 
  | 
  |  
| 20  | 
0.17~0.23  | 
0.17~0.37  | 
0.38~0.65  | 
≤0.030  | 
≤0.030  | 
0.3~0.65  | 
/  | 
≤0.25  | 
≤0.30  | 
/  | 
/  | 
  | 
  | 
  | 
  |  
| GB5310  | 
20G  | 
0.17~0.24  | 
0.17~0.37  | 
0.35~0.65  | 
≤0.030  | 
≤0.030  | 
≤0.25  | 
≤0.15  | 
≤0.20  | 
≤0.25  | 
≤0.08  | 
  | 
  | 
  | 
  | 
  |  
| 20MnG  | 
0.17~0.24  | 
0.17~0.37  | 
0.70~1.00  | 
≤0.030  | 
≤0.030  | 
≤0.25  | 
≤0.15  | 
≤0.20  | 
≤0.25  | 
≤0.08  | 
  | 
  | 
  | 
  | 
  |  
| 25MnG  | 
0.18~0.24  | 
0.17~0.37  | 
0.80~1.10  | 
≤0.030  | 
≤0.030  | 
≤0.25  | 
≤0.15  | 
≤0.20  | 
≤0.25  | 
≤0.08  | 
  | 
  | 
  | 
  | 
  |  
| 15CrMo  | 
0.12~0.18  | 
0.17~0.37  | 
0.40~0.70  | 
≤0.030  | 
≤0.030  | 
0.80~1.10  | 
0.40~0.55  | 
≤0.20  | 
≤0.30  | 
  | 
  | 
  | 
  | 
  | 
  |  
| 12Cr2MoG  | 
0.08~0.15  | 
≤0.50  | 
0.40~0.70  | 
≤0.030  | 
≤0.030  | 
2.00~2.50  | 
0.90~1.20  | 
≤0.20  | 
≤0.30  | 
  | 
  | 
  | 
  | 
  | 
  |  
| 12Cr1MoV  | 
0.08~0.15  | 
0.17~0.37  | 
0.40~0.70  | 
≤0.030  | 
≤0.030  | 
0.90~1.20  | 
0.25~0.35  | 
≤0.20  | 
≤0.30  | 
0.15~0.30  | 
  | 
  | 
  | 
  | 
  |  
| 12Cr2MoWVTiB  | 
0.08~0.15  | 
0.45~0.75  | 
0.45~0.65  | 
≤0.030  | 
≤0.030  | 
1.60~2.10  | 
0.50~0.65  | 
≤0.20  | 
≤0.30  | 
0.28~0.42  | 
  | 
0.30~0.55  | 
0.08~0.15  | 
B 0.002~0.008  | 
  |  
| 10Cr9Mo1VNb  | 
0.08~0.12  | 
0.20~0.50  | 
0.30~0.60  | 
≤0.020  | 
≤0.010  | 
8.00~9.50  | 
0.85~1.05  | 
≤0.20  | 
≤0.40  | 
0.18~0.25  | 
≤0.015  | 
  | 
  | 
0.06~0.10  |   
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