| Certification | Category | Description |
| JIS | 0039 : 2013 | WATERWORKS STEEL PIPE WITH/WITHOUT ZINC COATING (GALVANIZED PIPE) |
| JIS | 0068 : 2013 | GENERAL CONSTRUCTION STEEL PIPES (CONSTRUCTION PIPE) |
| JIS | 1387 : 1985 | BLACK AND HOT DIPPED GALVANIZED STEEL PIPE |
| JIS | A 53 | SPECIFICATION FOR PIPE, STEEL, BLACK AND HOT DIPPED, ZINC COATED, WEEDED AND SEAMLEES |
| JIS | G 3334 | CARBON STEEL TUBES FOR GENERAL STRUCTURAL PURPOSE (STK) |
| JIS | G 3445 | CARBON STEEL TUBES FOR MACHINE STRUCTURAL PURPOSE (STKM) |
| JIS | G 3445 | CARBON STEEL TUBES FOR MACHINE STRUCTURAL PURPOSE (STKM) |
| JIS | G 3466 | CARBON STEEL SQUARE AND RECTANGULAR TUBE FOR GENERAL STRUCTURAL PURPOSE (STKR) |
| JIS | G 3452 | CARBON STEEL PIPES FOR ORDINARY PIPING (SGP) |
| JIS | G 3454 | SPECIFICATION FOR PIPE, STEEL, BLACK AND HOT DIPPED, ZINC COATED, WEEDED AND SEAMLEES |
| JIS | G 3472 | CARBON STEEL TUBES FOR AUTOMOBILE (STAM)/Furniture etc |
| JIS | G 3442 | GALVANIZED STEEL PIPES FOR ORDINARY PIPING (SGPW) |