The Rising Star of 9SMnPb28 Steel Grade: Transforming Manufacturing Efficiency and Productivity

1. Specification: The Rising Star of 9SMnPb28 Steel Grade

– Steel Grade: 9SMnPb28
– Classification: Free-cutting steel, non-alloyed
– Standard: EN 10277-3
– Material Number: 1.0718
– Equivalent Grades: SAE 12L13, AISI 12L13, JIS SUM22L, ISO 9S20
– Diameter Range: 5mm to 80mm

2. Mechanical Properties:

– Tensile Strength: 600 to 900 MPa
– Yield Strength: 370 to 560 MPa
– Elongation: 10% to 16%
– Reduction in Area: 25% to 50%
– Hardness: 190 to 250 HB

3. Chemical Composition:

– Carbon (C): 0.14% to 0.20%
– Silicon (Si): 0.10% to 0.40%
– Manganese (Mn): 1.30% to 1.70%
– Phosphorus (P): 0.07% to 0.14%
– Sulfur (S): 0.20% to 0.35%
– Lead (Pb): 0.20% to 0.40%
– Other Elements: Traces (max) of Copper (Cu), Nickel (Ni), Chromium (Cr)

4. Advantages and Applications:

– Free-cutting properties: 9SMnPb28 steel grade offers excellent machinability, allowing for high-speed machining, improved tool life, and reduced machining costs.
– Improved productivity: The presence of lead (Pb) in the steel acts as a lubricant during machining, reducing friction, heat generation, and tool wear.
– Good surface finish: 9SMnPb28 steel grade produces precision components with superior surface finish, enabling manufacturers to reduce post-machining processes.
– Wide range of applications: This steel grade is commonly used in manufacturing automotive components, such as shafts, gears, and bolts. It is also suitable for applications in the machinery and equipment industry, where high-precision parts with excellent surface finish are required.

In conclusion, the 9SMnPb28 steel grade is a rising star in the manufacturing industry due to its excellent machinability, productivity improvements, and versatility in various applications. With its optimal chemical composition and desirable mechanical properties, it is transforming manufacturing efficiency and productivity.
9SMnPb28 Steel grade
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