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Equivalent grade to 12L14
SAE 12L14
Material No.: 1.9718
Standard:ASTM A29 / A29M
International steel grades: JIS: ~ SUM 22 L, ~ SUM 23 L
Application of 12L14 free cutting steel
Typical applications include high-speed screw machine products, spindles, bushings, hose fittings and many other items where excellent machining characteristics can be fully utilized.
Supply Form & Size
Form of Supply | Size(mm) | Length(mm) |
Round bar | 6.0mm-120mm | 2.5m-6m |
Chemical Composition&Related Specifications
Grade | C | Mn | S | P | Pb |
12L14 | ≤0.15 | 0.85~1.15 | 0.26~0.35 | 0.04~0.09 | 0.15~0.35 |
Brand comparison table
AISI/SAE | DIN/EN | BS | JIS/KS | China |
12L14 | 11SMnPb37(1.0737) | 11SMnPb30(1.0718) | SUM22L | Y15Pb |
Mechanical Property
tensile strength σb (MPa) | 380-460 |
elongation δ5 (%) | 20-40 |
Reduction of area ψ (%) | 35-60 |
hardness | 100-150HBW |