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| 卷闸门弹簧钢带 >> 卷门弹簧钢带 |
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Blue Steel Strip
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Specification: 1). thickness: 0.25-2.50mm 2) width: 40-250mm
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Material: 50#, 65Mn, 60Si2Mn, T8A-T10A
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Finish: blue, hot tempered & hardened, round edge
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Packing: plastic inside and gunny bag outside, pallet
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Usage:roller shutter door spring
Tel: 0086-539-8753666
Fax: 0086-539-8762888
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