The range of 12Cr1MoVG pipe sizes that may be examined by each method shall be subjected to the limitations in the scope of the respective practice.
Chemical component(mass fraction)/%
|Grade||C||Si||Mn||Cr||Mo||V||P (Max)||S (Max)|
- Flattening Test (D﹥22mm-400mm and S≤40mm);
- Bending Test (D﹥400mm or S﹥40mm);
- Flaring Test (D≤76mm and S≤8mm);
- Macro test;
- Nonmetallic inclusion;
- Grain size;
- micro structure;
- Decarburized Layer;
- Inter-granular corrosion test;
- Surface quality inspection;
- Nondestructive testing.
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