Meta Title:‌

High-Quality Steel Round Bars - Manufacturer & Supplier | Blubro

Meta Description:‌

Blubro supplies precision-engineered steel round bars for machining, construction, and industrial applications. Various grades and diameters available with competitive pricing.

Keywords:‌

steel round bar, carbon steel rod, alloy steel bar, machined steel shaft, construction rebar, industrial metal rods, China steel manufacturer

Product Specifications:‌

Material Composition:‌

Grades Available: 1018, 1045, 4140, 4340, Q235, S45C

Diameter Range: 5mm-500mm

Length: 3000mm-12000mm (standard) or custom cut

Standard: ASTM A36, JIS G3101, DIN 17200

Manufacturing Process:‌

Hot rolling or cold drawing production

Precision turning and grinding

Heat treatment (annealing/quenching/tempering)

Ultrasonic testing for internal defects

Surface polishing (bright/smooth/black)

Technical Parameters:‌

Tensile Strength: 400-850MPa

Yield Strength: 250-550MPa

Elongation: 12-20%

Hardness: HRB 70-90 (varies by grade)

Straightness: ≤1mm/m

Key Applications:‌

✔ Shafts and axles

✔ Machine components

✔ Construction reinforcement

✔ Automotive parts

✔ Tool manufacturing

Competitive Advantages:‌

Dimensional Accuracy‌ - ±0.05mm tolerance control

Material Purity‌ - Vacuum degassed steel (O≤30ppm)

Custom Solutions‌ - Special alloys and sizes available

Quality Certifications‌ - ISO 9001, SGS, RoHS compliant

Production Capacity‌ - 100,000 tons annual output

Technical Support‌ - Material selection guidance

Pricing Structure:‌

FOB Price Range: 

600

−

600−1,200/ton (varies by grade/spec)

MOQ: 20 tons (standard sizes)

Payment Terms: LC or TT 30% deposit

Delivery Lead Time: 15-30 days after order confirmation

Company Highlights:‌

80,000m² production facility with 5 processing lines

Complete testing lab (spectrometer, hardness tester)

12 years of steel manufacturing experience

One-stop service from inquiry to logistics

24/7 multilingual support (English/German/Arabic)

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