Hot-Rolled Steel Angle –40×40×3mm4mm5mm Perforated90° Section Inquiry and Length Range
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GradeQ195~Q420 SeriesInvoicingBy Theoretical Weight
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StandardAISITolerance±1%
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TypeUnequalModel NumberQ195-Q420 Series
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Alloy Or NotNon-AlloyApplicationthe power industry
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Delivery Time8 ~ 14 daysProcessing ServiceBending, Welding, Punching, Decoiling, Cutting
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Product nameSteel Angle BarShapeEqual Angle Bar
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KeywordsAngel Steel BarMOQ1 Ton
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TechniqueHot RollledSurface treatmentBlack
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MaterialQ235/Q345/SS400/ST37-2/ST52/Q420/Q460/S235JR/S275JR/S355JRLength6m-12m
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ItemBuilding Structure MaterialsPackageStandard Sea-worthy Packing
Hot-rolled steel angle has one actual dimension label: Length4.9–12m. The40×40×3mm and4/5mm title requirements need a complete section drawing.
Choose legs and perforations
Unequal type and Equal Angle Bar shape are both referenced. Confirm the actual leg geometry,90° angle and hole pattern rather than assuming a finished perforated section.
- Steel Angle Bar identity.
- Black surface.
- Q195–Q420 grade family.
- Q235/Q345 material alternatives.
- Cutting and punching services.
Define length and material
The6–12m body reference is distinct from the actual4.9–12m label. Select actual length and one grade using material records.
Agree structural acceptance
Power-industry/building contexts do not establish load capacity, dimensional certification or qualified joints. Request actual section, hole, material and tolerance inspection before engineering use.




