Home » Products » Carbon Steel » Carbon Steel Bar/Rod » 16MnCr5 Steel rod & SAE 5115 EN 1.7131 Round Bar

16MnCr5 Steel rod & SAE 5115 EN 1.7131 Round Bar

  • 6 meter

  • Upto 2 inch

  • Rod / Flat

  • 16MnCr5

  • 30% TT in advance, 70% TT /70% LC at sight balance before shipment

  • support

  • FOB, EXW, CIF, CFR

  • steel

  • 10 TON

  • Gears, worm gears, sealing sleeves

  • DOWNLOAD CATALOG.pdf

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As a high-quality material that meets German standards, the performance indicators of 16MnCr5 alloy steel bars are completely equivalent to the US SAE 5115 standard. It has excellent hardenability and machining characteristics and is particularly suitable for the production of large-section parts. Through professional heat treatment processes, the material can significantly improve the surface hardness and wear resistance, while maintaining excellent low-temperature impact toughness to ensure structural stability under harsh working conditions. After carburizing and quenching strengthening treatment, its comprehensive mechanical properties are further optimized, making it an ideal choice for manufacturing key mechanical parts such as high-precision transmission gears, heavy-duty worms, and wear-resistant sealing sleeves. It is widely used in automotive transmission systems, industrial reduction devices, and precision mechanical equipment.
 

PRODUCT DESCRIPTION

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 PRODUCT SPECIFICATION

As a high-precision material that meets German standards, the performance of 16MnCr5 alloy steel bars is fully matched with the US SAE 5115 standard. It has both excellent hardenability and efficient cutting performance, and is particularly suitable for the manufacture of large-section industrial parts. After being treated with precision carburizing and quenching technology, a high-strength hardened layer can be formed on the surface of the material, which significantly improves wear resistance and fatigue resistance. At the same time, it can still maintain excellent impact toughness at a low temperature of -40°C, ensuring safety and reliability under extreme working conditions. This steel is widely used in core components such as automotive transmission gears, engineering machinery worm drive systems, and high-load sealing sleeves. It is especially suitable for precision transmission devices that have strict requirements on wear resistance, pressure resistance, and dimensional stability, providing long-lasting and stable material solutions for heavy equipment, automated machinery, and new energy vehicle power systems.


Steel Type

16MnCr5 Steel

Shape

Round

Single Piece Length

6 meter & 3-36 meter

Thickness/Diameter

Up to 2 inch

MOQ

5 TON

Surface Treatment

Annealed

Feature

High Resistance

Packaging Type

As per client requirement

Place of Origin

China

Brand Name

SHUNBEI

Certification

ISO

Technology

Cold Rolled, Hot Rolled

Price Term

FOB CIF EXW CFR

Delivery Time

7-15 days

Application

Gears, worm gears, sealing sleeves

Hot rolled round steel(16mncr5) Ф100-200
Ф20-100
Ф200-400

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 PRODUCT SHOW


16mncr5 alloy steel bar


APPLICATION

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 CHEMICAL COMPOSITION OF 16MNCR5

Carbon C: 0.14~0.19

Silicon Si: ≤ 0.40

Manganese Mn: 1.00~1.30

Sulfur S: ≤0.035

Phosphorus P: ≤0.035

Chromium Cr: 0.80~1.10

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 MECHANICAL PROPERTIES OF 16MNCR5


Tensile strength σb (MPa): 880-1180

Conditional yield strength σ0.2 (MPa): 1187

Elongation δ5 (%): 9

Sectional shrinkage ψ (%): 57

Impact toughness αku (J/cm2): 34

Hardness: ≤297HB

Specimen size: a certain specimen

16MnCr5 heat treatment specification and metallographic structure:

Heat treatment specification: 900℃ oil quenching + 870℃ oil quenching, 200℃ tempering.

Metallographic structure: tempered martensite.



As a common alloy structural steel, 16MnCr5 carbon steel bar is widely used in many industrial fields due to its excellent mechanical properties and heat treatment adaptability. This material contains an appropriate amount of manganese and chromium elements, which significantly improves the hardenability and strength, so that it can form a hard and wear-resistant surface layer after carburizing treatment, while maintaining the toughness of the core, which is particularly suitable for manufacturing parts that bear high loads and friction. In the automotive manufacturing industry, it is often used to produce transmission gears, drive shafts and differential parts, which need to maintain stable performance under high-speed operation and frequent impact; in addition, the rack, universal joint and clutch components of the steering system are also often selected from this material to balance the wear resistance and fatigue resistance requirements. In the field of mechanical manufacturing, 16MnCr5 steel bars are processed into high-precision bearings, heavy bolts and connecting rods, especially in key parts such as gearboxes and hydraulic pump rotors of engineering machinery. Its high strength characteristics after quenching and tempering can meet the reliability of long-term operation of the equipment. The mold industry uses its surface hardness after carburizing to manufacture wear-resistant inserts for plastic molding cores or stamping molds. In addition, this material also exhibits good adaptability to working conditions in the gear transmission systems of wind power equipment, the transmission chains of mining machinery, and the wheel axle components of rail transportation. It achieves performance optimization through reasonable heat treatment processes, making it an ideal choice for heavy-load and high-wear environments.

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Foshan Shunbei Ronghang Metal Manufacturing Co., Ltd. established in 2008, specializes in the production of carbon steel, including alloy steel plate, galvanized steel plate, color coated steel coil, cold rolled steel plate.

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