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Zhongrun Steel (Foshan) Co., Ltd. is located in the beautiful Foshan City, Guangdong Province. It has 25 years of production and sales experience, exported to more than 30 countries, and has more than 500 cooperative customers. At present, it is an excellent enterprise in the Foshan market in terms
Zhongrun Steel (Foshan) Co., Ltd. is located in the beautiful Foshan City, Guangdong Province. It has 25 years of production and sales experience, exported to more than 30 countries, and has more than 500 cooperative customers. At present, it is an excellent enterprise in the Foshan market in terms
Zhongrun Steel (Foshan) Co., Ltd. is located in the beautiful Foshan City, Guangdong Province. It has 25 years of production and sales experience, exported to more than 30 countries, and has more than 500 cooperative customers. At present, it is an excellent enterprise in the Foshan market in terms
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35CrMo carbon steel round bar
ZHONG RUN
PRODUCT DESCRIPTION
Products | 35CrMo carbon steel round bar |
Place of Origin | China |
Grade | Q235B/SS400/Q355B/S235JR/S355JR |
Standard | ASTM / AISI / JIS / EN / DIN |
Alloy Or Not | Non-Alloy |
Technical | cold or hot rolled |
Processing Service | Bending, Welding, Punching, Cutting |
Delivery Time | 31-45 days |
Length | 12m |
Invoicing | by theoretical weight |
Application | building structure and engineering structure |
Payment | T/T; L/C |
35CrMo steel bar Steel Chemical Composition:
Element | Composition (%) |
Carbon (C) | 0.32~0.40 |
Silicon (Si) | 0.17~0.37 |
Manganese (Mn) | 0.4~0.7 |
Chromium (Cr) | 0.8~1.0 |
Phosphorus (P) | ≤0.035 |
Sulfur (S) | ≤0.035 |
Molybdenum (Mo) | 0.15~0.25 |
Nickel(Ni) | ≤0.30 |
Copper | ≤0.30 |
PRODUCT OVERVIEW
35CrMo carbon steel bar is an alloy structural steel containing chromium and molybdenum as main alloying elements. It offers outstanding mechanical strength, high tensile resistance, and excellent hardenability. With superior fatigue strength and impact resistance, it is widely used in manufacturing precision components that demand high strength and toughness.
PRODUCT FEATURES
Material: 35CrMo (GB standard), equivalent to AISI 4135 / DIN 34CrMo4
Shape: Round / Square / Hexagonal bar
Diameter: 10mm – 300mm (customizable)
Length: 1m – 12m or as required
Surface: Black / Peeled / Polished / Turned
Heat Treatment: Annealed / Normalized / Quenched and Tempered
Tolerance: H9–H11 or customized
MECHANICAL PROPERTIES
Tensile Strength: ≥ 980 MPa
Yield Strength: ≥ 835 MPa
Elongation: ≥ 12%
Impact Toughness: ≥ 63 J/cm²
Standards Available: GB/T 3077, ASTM A29, JIS G4053, DIN EN 10083
PRODUCT SHOW
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APPLICATION
35CrMo steel bars are extensively used in automotive, aerospace, heavy machinery, power transmission, and oil & gas industries. Typical applications include:
Crankshafts, gear shafts, and connecting rods
High-pressure fasteners and engine components
Tool holders, drill collars, and other high-stress wear parts
Transmission gears and axles
Structural parts requiring high fatigue resistance and strength
Its high hardenability and wear resistance make it especially suitable for quenching and tempering treatments, ensuring excellent performance in extreme operating conditions.
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