INSPECTION ITEM
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STANDARD
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INSPECTION VALUE
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Appearance
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No corrosion,no damge,no black speckle and no pock points
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Pass
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Both surface galvanization
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≥100g/m²
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115g/m²
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Load Channel
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Dimension difference A
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Dimension A:±0.4mm
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-0.3--0.2mm
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Dimension difference B
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Dimension B:±1.0mm
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-0.5--0.5mm
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Load Channel
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Dimension difference A
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Dimension A:±1.0mm
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-0.4--0.1mm
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Dimension difference B
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Dimension B:±0.4mm
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-0.3--0.1mm
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Side flatness
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≤1.5mm/1000mm
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0.6mm/1000mm
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Underside flatness
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≤1.5mm/1000mm
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0.5mm/1000mm
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Angle difference
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≤1°15′
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1°5′
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Load Channel
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Load test
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Strengthen flexibility limitation
5.0mm |
Strengthen flexibility
4.2mm |
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Strengthen distortion limitation
2.0mm |
Remainder distortion
1.4mm |
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Cover Channel
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Load test
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Strengthen flexibility limitation 10.0mm
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Strengthen flexibility
8.9mm |
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Strengthen distortion limitation
2.0mm |
Remainder distortion
1.5mm |
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Test table above,load keel is 50*15*1.2mm,cover channel is 50*19*5mm
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