Round Billet Diameter 250mm 45#

Round Billet Diameter 250mm 45#

Manufacturer of premium 250mm diameter 45# carbon steel round billets. Ideal for high-strength components, industrial shafts, and machinery parts. Request a quote today.

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2010 ESTABLISHED

410 EMPLOYEE

363+CLIENTS

13000+ trade

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Product details

Our 250mm diameter Round Billet is manufactured from high-quality 45# carbon steel (equivalent to ASTM 1045), offering superior strength, excellent wear resistance, and reliable performance for heavy-duty applications. This large-diameter billet is engineered to meet the demands of industrial machinery, automotive systems, and equipment manufacturing where enhanced mechanical properties and durability are essential. The 45# grade provides optimal hardness and tensile strength, making it perfect for critical components that undergo significant stress and wear.

Product Name Carbon Steel Round Billet
Material Standard GB/T 699-1999
Steel Grade 45#
Equivalent Grades ASTM 1045, JIS S45C, DIN 1.0503
Shape Round
Nominal Diameter 250 mm
Diameter Tolerance ± 2.5 mm
Standard Length 3000mm, 6000mm
Length Tolerance +100/-0 mm
Chemical Composition (GB/T 699-1999)
Element Content (%)
Carbon (C) 0.42 – 0.50
Silicon (Si) 0.17 – 0.37
Manganese (Mn) 0.50 – 0.80
Phosphorus (P) ≤ 0.035
Sulfur (S) ≤ 0.035
Chromium (Cr) ≤ 0.25
Nickel (Ni) ≤ 0.25
Copper (Cu) ≤ 0.25

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