Wear Resistant Varnished Hot-Rolled Steel Round Bar 4140 AISI SAE 1144 4mm 8MM 10MM
Bright Round BarASTM A29/A29M-2015 AISI/SAE1144 Free Cutting Steel Bar
1. Good processing performance: the product has the characteristics of smooth cutting, excellent material, stable processing, good metallographic structure, chemical stability, small deviation, net steel purity, low inclusion content, not easy to damage the tool, etc., it is very easy to cut on the lathe, and the tool service life and production efficiency are increased by 40%;
2. Good electroplating performance: cutting is very easy, deep holes, deep grooves, etc. can be drilled, the processing efficiency can be greatly improved than ordinary steel, the electroplating performance of the product is good, can replace copper products, and greatly reduce the cost of products.
3. Good finish: The surface finish of the workpiece after turning is good.
Supply Form & Size
| Form of Supply | Size(mm) | Length(mm) |
| Round bar | 6.0mm-120mm | 2.5m-6m |
Chemical Composition&Related Specifications
| Grade | C | Si | Mn | S | P |
| 1144 | 0.40~0.48 | 0.15~0.35 | 1.35~1.65 | 0.24~0.33 | ≤0.04 |
Brand comparison table
| AISI/SAE | DIN/EN | BS | JIS/KS | China |
| 1144 | / | / | / | / |
Mechanical Property
|
tensile strength σb (MPa) |
390~540 |
|
elongation δ5 (%) |
≥22 |
|
Reduction of area ψ (%) |
≥20 |
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