- Hexagonal steel, belonging to the carbon structural steel, also known as hexagonal bar, the cross-section of the hexagonal bar, for the general use of the steel, very wide range of uses. Has good strength and toughness, processing and turning performance is good, etc., after heat treatment mechanical properties, but the welding performance is worse than mild steel. Commonly used in bolts, nuts, screws, structural parts, automobile and locomotive parts, mechanical parts.
- Standard: GB/T ASTM JIS DIN EN BS NF ISO KS IS etc.
- Steel grade: Q235 10 15 20 40 45 S20C S45C etc.
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