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Help CenterFlat Steel＆Flat Steel Bar，Q235, Q355, SS400, S235JR, S355JR, A36, A572, 10#, 20#, 45#, 65Mn
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1. Product Name
Flat Steel Bar, Steel Flat Bar, Hot Rolled Flat Bar, Cold Drawn Flat Bar, Galvanized Flat Bar
2. Product Types
Hot Rolled Flat Steel Bar, Cold Drawn Flat Steel Bar, Black Flat Bar, Hot-dip Galvanized Flat Bar, Electro-galvanized Flat Bar, Spring Flat Bar, Structural Flat Bar, Grounding Flat Bar
3. Production Process
Raw material inspection → Billet heating → Hot rolling / cold drawing → Straightening → Cutting → Surface treatment (galvanizing/oiling) → Dimensional inspection → Packing
4. Main Materials
Q235, Q355, SS400, S235JR, S355JR, A36, A572, 10#, 20#, 45#, 65Mn, low carbon steel, high strength structural steel
5. Standard Specifications
Thickness: 3mm – 200mm
Width: 10mm – 600mm
Length: 3m, 6m, 12m, or customized length
Tolerance: Standard tolerance according to GB, EN, ASTM, JIS standards
6. Execution Standards
GB/T 702, GB/T 912, EN 10025, ASTM A6, ASTM A36, JIS G3101, JIS G3106
7. Product Features
Stable dimension and straightness
High structural strength and good mechanical performance
Smooth surface, no cracks, no burrs
Good weldability, bendability and processability
Strong load-bearing capacity for structural use
Corrosion resistance after galvanized surface treatment
8. Main Applications
Steel structure engineering, building framework, bridge construction
Machinery manufacturing, base support, frame fabrication
Shipbuilding, automobile manufacturing, equipment base
Steel grating, stair treads, trench cover
Electrical grounding, lightning protection projects
Hardware parts, stamping parts, welding components
9. Delivery Condition
Surface: Black (mill finish), bright, galvanized, pickled and oiled
Shape: Straight flat bar, customized length available
10. Packing
Bundle packing with steel strips
Plastic film and woven bag covering
Seaworthy export packing
11. Lead Time
5-7 days
12. Certificates
Mill Test Certificate (MTC), SGS, BV, ISO 9001
13. Payment Terms
T/T, L/C, D/P, D/A
14. Loading Port
Tianjin, Qingdao, Shanghai
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