(1)牌号和化学成分见表1。
表1 焊管轧辊的牌号和化学成分
牌 号 | 化学成分(质量分数)(%) | 备注 | |||||||||
C | Si | Mn | P | S | Cr | Ni | Mo | W | V | 标准号 | |
≤ | |||||||||||
GCr15 | 0.95~1.05 | 0.15~O.35 | 0.25~0.45 | 0.025 | 0.025 | 1.4~1.65 | ≤O.30 | | | | YB(T)1 |
Cr12 | 2.00~2.30 | ≤O.40 | ≤O.40 | 0.030 | 0.030 | 11.50~13.00 | ≤O.25 | | | O.15~O.30 | GB/T 1299 |
Cr12MoV | 1.45~1.70 | ≤O.40 | ≤0.40 | 0.030 | 0.030 | 11.00~12.5 | ≤O.25 | 0.40~0.60 | | | |
0.30~O.38 | O.17~0.37 | 0.40~O.70 | 0.035 | 0.035 | 1.00~1.30 | ≤0.30 | 0.20~O.30 | | 0.10~0.20 | GB/T 3077 | |
O.37~0.44 | O.17~O.37 | 0.50~O.80 | 0.035 | 0.035 | O.80~1.10 | ≤O.30 | | | | ||
4Cr5MoSiV1 | O.32~0.45 | O.80~1.20 | O.20~O.50 | O.030 | 0.030 | 4.75~5.50 | ≤O.25 | 1.10~1.75 | | O.80~1.20 | GB/T1299 |
3Cr2W8V | O.30~0.40 | ≤O.40 | ≤O.40 | 0.030 | 0.030 | 2.20~2.70 | ≤O.25 | | 7.50~9.00 | O.20~O.50 | |
65Mn | 0.62~0.70 | 0.17~O.37 | 0.90~1.20 | 0.035 | O.035 | ≤0.25 | ≤0.25 | | | | GB/T 1222 |
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