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New Products
2021-04-25
Steel bar Grade | Wire rod Grade | Chemical Composition % | ||||
C | SI | Mn | S | P | ||
CRB550 | Q235 | 0.14~0.22 | d"0.03 | 0.30~0.65 | d"0.050 | d"0.045 |
CRB650 | Q235 | 0.14~0.22 | d"0.03 | 0.30~0.65 | d"0.050 | d"0.045 |
CRB550 | Cold-rolled ribbed steel bar | Cold Drawn plain and Round Bar | |
Specification | 4-12mm,larger in steps of 0.5mm | ||
Recommendation Specification (mm) | 4mm,5.5mm,7mm,8.5mm, 10.5mm 12mm | 4mm,5mm,6mm,7mm,8mm, 9mm,10mm,11mm 12mm | |
Surface Condition | With rib on Three sides | Plain and round | |
Production Standard | GB13788-2002 | BS4482:1985 | |
Properties | Elongation 10 08% | Elongation 5 012% | |
Tensile strength b 0550 Mpa | Tensile strength b 0510 Mpa | ||
Designed strength fy0360Mpa | Designed strength fy0320Mpa |
Cold drawn steel square bar is produced by cold drawing from hot rolled steel square bar. Our advantages and more services of cold drawn steel round bar includes:
1) Wide range of sizes from 20mm*20mm to 100mm*100mm
2) Customized Length from 100mm to 12000mm
3) Good straightness: 2mm/m max
4) Precision size tolerance: -0.1mm/+0mm
5) Anti-rusty package
6) Full sets of testing equipment: Surface, Dimenstion. Mechanical properties testing
7) Fast delivery time