Corrosion Resistant Alloy (CRA)
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For the rod, sheet and pipe materials produced by our factory, all their properties and the chemical components conform to GB.
The chemical compositions of each grade are as follows:| Alloy Grade | Chemical composition (%) | |||||||||||
| Cr | Ni | Fe | Mo | W | Cu | Ai | Ti | Nb | Co | Si | Mu | |
| NS111 | 19.0~23.0 | 30.0~35.0 | Balance | － | － | ≤ 0.75 | 0.15~0.60 | 0.15~0.60 | － | － | ≤ 1.00 | ≤ 1.50 |
| NS112 | 19.0~23.0 | 30.0~35.0 | Balance | － | － | ≤ 0.75 | 0.15~0.60 | 0.15~0.60 | － | － | ≤ 1.00 | ≤ 1.50 |
| NS113 | 24.0~26.5 | 34.0~37.0 | Balance | － | － | － | 0.15~0.45 | 0.15~0.60 | － | － | 0.30~0.70 | 0.50~1.50 |
| NS131 | 19.0~21.0 | 42.0~44.0 | Balance | 12.5~13.5 | － | － | － | － | － | － | ≤ 0.70 | ≤ 1.00 |
| NS141 | 25.0~27.0 | 34.0~37.0 | Balance | 2.0~3.0 | － | 3.0~4.0 | － | 0.40~0.90 | － | － | ≤ 0.70 | ≤ 1.00 |
| NS142 | 19.5~23.5 | 38.0~46.0 | Balance | 2.5~3.5 | － | 1.5~3.0 | ≤0.2 | 0.60~1.20 | － | － | ≤ 0.50 | ≤ 1.00 |
| NS143 | 19.0~21.0 | 32.0~38.0 | Balance | 2.0~3.0 | － | 3.0~4.0 | － | － | 8xc~1.00 | － | ≤ 1.00 | ≤ 2.00 |
| NS311 | 28.0~31.0 | Balance | ≤1.0 | － | － | － | ≤ 0.30 | － | － | － | ≤ 0.50 | ≤ 1.20 |
| NS312 | 14.0~17.0 | Balance | 6.0~10.0 | － | － | ≤ 0.50 | － | － | － | － | ≤ 0.50 | ≤ 1.00 |
| NS313 | 21.0~25.0 | Balance | 10.0~15.0 | － | － | ≤ 1.00 | 1.00~1.70 | － | － | － | ≤ 0.50 | ≤ 1.00 |
| NS314 | 35.0~38.0 | Balance | ≤ 1.0 | － | － | － | 0.20~0.50 | － | － | － | ≤ 0.50 | ≤ 1.00 |
| NS315 | 27.0~31.0 | Balance | 7.0~11.0 | － | － | ≤ 0.50 | － | － | － | － | ≤ 0.50 | ≤ 0.50 |
| NS321 | ≤1.00 | Balance | 4.0~6.0 | 26.0~30.0 | － | － | － | － | － | ≤ 2.5 | ≤ 1.00 | ≤ 1.00 |
| NS322 | ≤1.00 | Balance | ≤ 2.0 | 26.0~30.0 | － | － | － | － | － | ≤ 1.0 | ≤ 1.00 | ≤ 1.00 |
| NS331 | 14.0~17.0 | Balance | ≤ 8.0 | 2.0~3.0 | － | － | － | 0.40~0.90 | － | － | ≤ 0.70 | ≤ 1.00 |
| NS332 | 17.0~19.0 | Balance | ≤ 1.0 | 16.0~18.0 | － | － | － | － | － | － | ≤ 0.70 | ≤ 1.00 |
| NS333 | 14.5~16.5 | Balance | 4.0~7.0 | 15.0~17.0 | 3.0~4.5 | － | － | － | － | ≤ 2.5 | ≤ 1.00 | ≤ 1.00 |
| NS334 | 14.5~16.5 | Balance | 4.0~7.0 | 15.0~17.0 | 3.0~4.5 | － | － | － | － | ≤ 2.5 | ≤ 0.08 | ≤ 1.00 |
| NS335 | 14.0~18.0 | Balance | ≤ 3.0 | 14.0~17.0 | － | － | － | ≤ 0.70 | － | ≤ 2.0 | ≤ 0.08 | ≤ 1.00 |
| NS336 | 20.0~23.0 | Balance | ≤ 5.0 | 8.0~10.0 | － | － | ≤ 0.40 | ≤ 0.40 | 3.15~4.15 | ≤ 1.0 | ≤ 0.50 | ≤ 0.50 |
| NS337 | 19.0~21.0 | Balance | ≤ 5.0 | 15.0~17.0 | － | ≤ 0.10 | － | － | － | ≤ 0.10 | ≤ 0.40 | 0.50~1.50 |
| NS341 | 19.0~21.0 | Balance | ≤ 7.0 | 2.0~3.0 | － | 1.0~2.0 | － | 0.4~0.9 | － | － | ≤ 0.70 | ≤ 1.00 |
Pipe / Rod / Plate / Fitting / Flange / Wire / Welding Part etc.
| Monel 400 | Monel 401 | Monel 404 | Monel R405 | MonelK500 |
| Alloy 33 | Alloy 31 | Alloy 20 | Alloy 58 | Alloy B4 |
| Inconel 800 | Inconel 800H | Inconel825 | Inconel909 | Inconel 925 |
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