After-sales Service: | Video or Technical Support |
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Warranty: | 1 Year |
Material: | 20mnk Q275 |
Samples: |
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Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Payment Method: | |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Introduction of U25 U29 U36 High Quality U Type Steel Channel Metal Arches Support Mining Tunnel Lane Supporting
Size | Material | Theoretical Weight (kg/m) | Cross-sectional Area (cm2) | Height | Thickness | Width | Leg Thickness |
25U | Q275B/ 20Mnk | 24.95 | 31.79 | +1.0 120 -1.5 |
+0.5 15 -1.2 |
+1.0 130 -3.0 |
+0.8 6.3 -0.5 |
29U | Q275B/ 20Mnk | 29.00 | 37.00 | +1.0 124 -1.5 |
+0.5 16 -1.2 |
+1.0 150.5 -3.0 |
+0.8 7.2 -0.5 |
36U | 20Mnk | 35.87 | 45.70 | +1.0 138 -1.5 |
+0.5 17 -1.2 |
+1.0 171 -3.0 |
+0.8 7.8 -0.5 |
40U | 20Mnk | 40.05 | 51.02 | +1.0 149 -1.5 |
+0.5 20.2 -1.2 |
+1.0 171 -3.0 |
+0.8 8.5 -0.5 |
Photos of U25 U29 U36 High Quality U Type Steel Channel Metal Arches Support Mining Tunnel Lane Supporting
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