|
Steel Rebar
Micro-alloyed (V/Nb/Ti) rebars with transverse ribs per ISO 6935-2. Grades: HRB400E-HRB600E (GB), B500B-B500C (EN), Grade 60 (ASTM). Yield strength 400-600MPa, ratio ≥1.25 for seismic zones. |
Product Name: High-Strength Hot-Rolled Ribbed Bar
Overview
Micro-alloyed (V/Nb/Ti) rebars with transverse ribs per ISO 6935-2. Grades: HRB400E-HRB600E (GB), B500B-B500C (EN), Grade 60 (ASTM). Yield strength 400-600MPa, ratio ≥1.25 for seismic zones.
| Parameter | Standard Grade | Seismic Grade |
|---|---|---|
| Strength Class | HRB500 / B500B | HRB500E / B500C |
| Yield Strength | ≥500MPa | ≥500MPa |
| Tensile Strength | ≥630MPa | ≥630MPa |
| Ratio | ≥1.15 | ≥1.25 |
| Elongation | ≥12% | ≥14% |
| Carbon Equivalent | ≤0.55% | ≤0.52% |
| Bend Test | 180° D=4d no crack | Reverse bend no crack |
| Rib Height | ≥0.065d | Same |
1. Seismic Safety
Ratio ≥1.25 prevents brittle fracture
Elongation ≥14% absorbs earthquake energy
2. Precision Manufacturing
QST process: Grain size ≥9
Auto gauging: Diameter tolerance ±0.3mm
3. Environment Adaptability
| Environment | Solution |
|---|---|
| Marine | Cu-bearing steel (Cu≥0.4%) |
| Arctic | ≥27J @ -50℃ impact |
| Nuclear | Ultra-low chloride (Cl≤0.002%) |
4. Global Standards
China: GB/T 1499.2
Europe: BS 4449
USA: ASTM A615/A706
RUNYING STEEL GROUP
Tel：86-315-2199609
Fax：86-315-5538212
E-mail：admin@tsrysteel.com
Central Plaza, Tangshan City
website：lo.tsrysteel.com
Alibaba：https://tsrunying.en.alibaba.com
