| 강조하다: | Trench Drain Steel Grating Stair Tread,Square Grid Steel Grating Stair Tread,Good Drainage Steel Grating Stair Tread |
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|---|---|---|---|
| No. | Item | Description |
|---|---|---|
| 1 | Bearing Bar | 20 x 5, 25 x 3, 30 x 3, 30 x 5, 32 x 3, 32 x 5, etc. |
| 2 | Bearing Bar Pitch | 15mm, 25mm, 30mm, 40mm, 50mm, or custom |
| 3 | Cross Bar | 5 x 5, 6 x 6 (twisted bar or round bar) |
| 4 | Cross Bar Pitch | 40mm, 50mm, 60mm, 100mm, or custom |
| 5 | Flat Bar Type | Plain, serrated (tooth-like), I bar (I-section), serrated I-shape bar |
| 6 | Surface Treatment | Untreated, hot dip galvanized, powder coated, electro polished |
| 7 | Steel Grating Standards | China: YB/T4001.1-2007; US: ANSI/NAAMM(MBG531-88); UK: BS4592-1987 |
| 8 | Steel Product Standard | China: GB700-88; US: ASTM(A36); UK: 43A |
| 9 | Hot Galvanized Standard | China: GB/T13912; US: ASTM(A123); UK: BS729 |
담당자: Mrs. Zhang
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