Note: JIS G3539 is specifically for (C ≤ 0.15%). For higher carbon (e.g., 0.33% C), refer to JIS G3507. Testing Methods Referenced in JIS G3539 PDF The standard requires specific tests to be performed on each batch: 1. Tensile Test Conducted per JIS Z 2241. The wire must not break below the specified minimum tensile strength. 2. Bend Test Wire is bent 180° around a mandrel of equal diameter. No cracks are allowed. 3. Flattening Test For larger diameter wires, the wire is flattened to a specified height ratio. Surface must remain crack-free. 4. Surface Inspection Visual or eddy-current testing to detect seams, slivers, or scaling. 5. Decarburization Check Microscopic examination to ensure that surface carbon loss is within limits.
| Element | Requirement (Typical Max) | | :--- | :--- | | Carbon (C) | ≤ 0.15% (low carbon grade) | | Manganese (Mn) | 0.30% – 0.60% | | Phosphorus (P) | ≤ 0.040% | | Sulfur (S) | ≤ 0.040% | | Silicon (Si) | ≤ 0.10% (some grades) | jis g3539 pdf
Introduction In the world of industrial manufacturing, precision and standardization are paramount. One such standard that plays a critical role in the production of fasteners, screws, bolts, and rivets is JIS G3539 . For engineers, quality control managers, and procurement specialists, accessing the JIS G3539 PDF is often the first step toward ensuring compliance with Japanese industrial benchmarks. Note: JIS G3539 is specifically for (C ≤ 0