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제품 상세 정보:
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| Load Bearing Flat Bar Size | Thickness≥3mm, depth ≥19mm 19×3, 19×5, 20×3, 20×5, 25×3, 25×4, 25×4.5, 25×4.7, 25×5…40×6, 40×8, 40×10…90×6… |
|---|---|
| Pitch of Load Bearing Flat Bars (mm) | 12.5, 15, 20, 30, 30.6, 32.5, 34, 34.8, 35.3, 40, 60, 80… |
| Pitch of Cross Bars (mm) | 38.1, 50, 50.8, 70, 75, 80, 99, 100, 101.6, 102… |
| Country | Steel Grating Standard | Steel Material Standard | Hot Galvanizing Standard |
|---|---|---|---|
| China | YB/T4001-1998 | GB 700-88 | GB/T13912-2002 |
| USA | ANSI/NAAMM(MBG531-88) | ASTM (A36) | ASTM(A123) |
| England | BS4592-1987 | BS4360 (43A) | BS729 |
| Australia | AS1657-1992 | AS3679 | AS1650 |
| No. | Item | Description |
|---|---|---|
| 1 | Bearing Bar | 25×3, 25×4, 25×4.5, 25×5, 30×3, 30×4, 30×4.5, 30×5, 32×5, 40×5, 50×5, 65×5, 75×6, 75×10-100×10mm etc I bar: 25×5×3, 30×5×3, 32×5×3, 40×5×3 etc US standard: 1"×3/16", 1 1/4"×3/16", 1 1/2"×3/16", 1"×1/4", 1 1/4"×1/4", 1 1/2"×1/4", 1"×1/8", 1 1/4"×1/8", 1 1/2"×1/8", etc |
| 2 | Bearing Bar Pitch | 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etc US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc. |
| 3 | Twisted Cross Bar Pitch | 38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2" & 4" etc |
| 4 | Material Grade | ASTM A36, A1011, A569, Q235, S275JR, SS304, SS400, Mild steel & Low carbon steel, etc |
| 5 | Surface Treatment | Black, self colour, hot dip galvanized, painted, spray coating |
| 6 | Grating Style | Plain / Smooth, Serrated / teeth, I bar, serrated I bar |
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