ASTM A511无缝不锈钢机械管
1. 产品名称：无缝不锈钢机械管2. 管型：圆形，方形，矩形，椭圆形，U型管3. 制造方式：冷轧或者热轧4. 材质：奥氏体,铁素体和马氏体不锈钢,化学成分如下：
Grade | Composition % |
Carbon | Manganese, max | Phosphorus, max | Sulfur, max | Silicon, max | Nickel | Chromium | Molybd-enum | Titanium | Columbium plus Tantalum | Selenium |
MT302 | 0.08 to 0.20 | 2.00 | 0.040 | 0.030 | 1.00 | 8.0-10.0 | 17.0-19.0 | ... | ... | ... | ... |
MT303Se | 0.15 max | 2.00 | 0.040 | 0.040 | 1.00 | 8.0-11.0 | 17.0-19.0 | ... | ... | ... | 0.12-0.2 |
MT304 | 0.08 max | 2.00 | 0.040 | 0.030 | 1.00 | 8.0-11.0 | 18.0-20.0 |
| ... | ... | ... |
MT304L | 0.035 maxA | 2.00 | 0.040 | 0.030 | 1.00 | 8.0-13.0 | 18.0-20.0 | ... | ... | ... | ... |
MT305 | 0.12 | 2.00 | 0.040 | 0.030 | 1.00 | 10.0-13.0 | 17.0-19.0 | ... | ... | ... | ... |
MT309S | 0.08 max | 2.00 | 0.040 | 0.030 | 1.00 | 12.0-15.0 | 22.0-24.0 | ... | ... | ... | ... |
MT310S | 0.08 max | 2.00 | 0.040 | 0.030 | 1.00 | 19.0-22.0 | 24.0-26.0 | ... | ... | ... | ... |
MT316 | 0.08 max | 2.00 | 0.040 | 0.030 | 1.00 | 11.0-14.0 | 16.0-18.0 | 2.0-3.0 | ... | ... | ... |
MT316L | 0.035 maxA | 2.00 | 0.040 | 0.030 | 1.00 | 10.0-15.0 | 16.0-18.0 | 2.0-3.0 | ... | ... | ... |
MT317 | 0.08 max | 2.00 | 0.040 | 0.030 | 1.00 | 11.0-14.0 | 18.0-20.0 | 3.0-4.0 | ... | ... | ... |
MT321 | 0.08 max | 2.00 | 0.040 | 0.030 | 1.00 | 9.0-13.0 | 17.0-20.0 | ... | B | ... | ... |
MT347 | 0.08 max | 2.00 | 0.040 | 0.030 | 1.00 | 9.0-13.0 | 17.0-20.0 | ... | ... | | |
5. 外径壁厚长度公差：按照ASTM A511标准执行。
6. 交货状态：退火，冷处理，特殊热处理
7. 表面处理：特殊酸洗，喷砂，抛光
8 检验：
硬度试验
拉伸试验
无损探伤试验
