Customization: | Available |
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Function: | Pressed |
Material: | Steel |
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Warranty
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5 years
|
Place of Origin
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Jiangsu, China
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Brand Name
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Master Well
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Model Number
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Customized
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Type
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Residential & Industrial
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Product name
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Garage door torsion spring
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Inner Diameter
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1 3/4'', 2'', 2 5/8'', 3 3/4'',5 1/4", 6"
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Wire size
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207/218/225/234/243/250
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Material
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Carbon steel / Manganese steel
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Finished
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Anti-rust oil Dacromet coating/Electrophpresis coating/Powder coated
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Package
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Wooden case
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Function
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For sectional door use
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Certificate
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CE, ISO9001
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Hardware System
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USA / EU standard
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Supply Ability
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500 Ton/Tons per month
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Operating Cycles
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10000 Times
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Code
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C
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Si
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Mn
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S
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72A
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0.70-0.75
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0.12-0.32
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0.30-0.60
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≤0.025
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82B
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0.80-0.85
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0.12-0.32
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0.60-0.90
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≤0.025
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65Mn
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0.62-0.70
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0.17-0.37
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0.90-1.2
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≤0.035
|