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Help CenterSteel Round Bar＆Round Steel，Q235B, Q355B, 20#, 45#, 40Cr，S235JR, S275JR, S355JR, C45, 42CrMo4，ASTM A36, 1045, 4140
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Steel Round Bar＆Round Steel，Q235B, Q355B, 20#, 45#, 40Cr，S235JR, S275JR, S355JR, C45, 42CrMo4，ASTM A36, 1045, 4140NegotiableMOQ: 5 Metric Tons -
Steel Billet＆Carbon Steel Billet，Q235B, Q355B, 20#, 45#, SAE1008, SAE1018, SS400, A36, ST37NegotiableMOQ: 5 Metric Tons
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Steel Billet＆Carbon Steel Billet，Q235B, Q355B, 20#, 45#, SAE1008, SAE1018, SS400, A36, ST37NegotiableMOQ: 5 Metric Tons
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Steel Billet＆Carbon Steel Billet，Q235B, Q355B, 20#, 45#, SAE1008, SAE1018, SS400, A36, ST37NegotiableMOQ: 5 Metric Tons
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Steel Channel＆U Channel，Q235B, Q355B, S235JR, S355JR, SS400, A36, ST37-2, ST52-3NegotiableMOQ: 5 Metric Tons
1. Product Name: Round Steel / Round Bar / Steel Round Bar
2. Product Categories: Hot-Rolled Round Steel, Cold-Drawn Round Steel, Carbon Steel Round Bar, Alloy Steel Round Bar
3. Main Types: Black Round Bar, Bright Round Bar, Peeled Round Bar, Ground Round Bar, Forged Round Bar
4. Execution Standards:
- Chinese Standard: GB/T 700, GB/T 1591, GB/T 3077
- American Standard: ASTM A36, ASTM A108, ASTM A29
- European Standard: EN 10025, EN 10277, S235JR, S355JR
- Japanese Standard: JIS G3101, JIS G4051, SS400, S45C
5. Material Grades:
- Chinese Grades: Q235B, Q355B, 20#, 45#, 40Cr
- European Grades: S235JR, S275JR, S355JR, C45, 42CrMo4
- American Grades: ASTM A36, 1045, 4140
- Japanese Grades: SS400, S45C, SCM440
6. Surface Treatment: Black (hot-rolled), Bright drawn, Peeled, Ground, Oil coated (optional)
7. Main Specifications:
- Diameter Range: 5mm – 600mm
- Standard Lengths: 6m, 9m, 12m, custom length available
- Section Shape: Solid circular cross-section, uniform diameter, smooth surface
8. Mechanical Properties:
- High tensile and yield strength
- Good toughness and impact resistance
- Excellent ductility and plasticity
- Stable and consistent mechanical performance
9. Processing Performance:
- Excellent weldability
- Easy to cut, drill, turn and machine
- Good forging and heat treatment performance
- Suitable for threading, grinding and finishing
10. Product Features:
- High dimensional accuracy and roundness
- Smooth surface without cracks, scars or inclusions
- Good straightness, no bending or distortion
- Uniform structure and stable quality
11. Application Scenarios:
- Machinery manufacturing: Shafts, gears, pins, bolts, mechanical components
- Construction engineering: Reinforcement, supports, connectors, steel structures
- Hardware products: Fasteners, standard parts, stamping and forging blanks
- Automobile industry: Axles, crankshafts, connecting rods, chassis parts
- Oil & gas and power: Pipeline supports, anchor bolts, valve parts
12. Packaging:
- Standard seaworthy export packing
- Bundled with steel strips
- Label marked with diameter, grade, batch number and quantity
13. Transportation:
- Bulk shipment
- Container loading
- Wire rope binding for large-diameter bars
14. Storage:
- Dry and ventilated warehouse
- Prevent moisture, oxidation and rust
- Stacked neatly to avoid bending and deformation
15. Delivery Terms:
- Delivery Condition: Hot-rolled / Cold-drawn / Forged
- Lead Time: 5-7 days for stock goods
16. Certificates: Mill Test Certificate (MTC), SGS, BV, TUV (optional)
17. Foreign Trade Information:
- HS Code: 7214200000
- Payment Terms: T/T, L/C, D/P
- Trade Terms: EXW, FOB, CFR, CIF
- Loading Ports: Tianjin, Qingdao, Shanghai, Ningbo
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