描述
Deformed Bars 螺纹钢
产品描述 / Product Description
中文：
热轧螺纹钢表面带有横肋和纵肋，与混凝土粘结力强，广泛用于建筑、桥梁等钢筋混凝土结构。
English:
Hot rolled deformed bars with transverse ribs and longitudinal ribs provide excellent bonding with concrete, widely used in reinforced concrete structures for buildings and bridges.
产品规格 / Product Specifications
1. 基本参数 / Basic Parameters
| 项目/Item | 标准/Standard | 材质/Material | 直径范围/Diameter Range |
|---|---|---|---|
| 螺纹钢 | GB/T 1499.2 ASTM A615 JIS G3112 |
HRB400, HRB500 Grade 60, Grade 75 SD390, SD490 |
6mm-50mm |
2. 机械性能 / Mechanical Properties
<td≥540/≥620<td≥16/≥12<td≥500/≥520<td≥630/≥690<td≥15/≥10
| 等级/Grade | 屈服强度/Yield Strength (MPa) | 抗拉强度/Tensile Strength (MPa) | 延伸率/Elongation (%) |
|---|---|---|---|
| HRB400/Grade 60 | ≥400/≥420 | ||
| HRB500/Grade 75 |
3. 表面特征 / Surface Characteristics
- 横肋高度≥0.07d (d为公称直径)
- 纵肋与横肋相交
- 无裂缝、折叠等缺陷
- Transverse rib height ≥0.07d (d is nominal diameter)
- Longitudinal ribs intersecting with transverse ribs
- Free from cracks, folds and other defects
4. 包装与标志 / Packaging & Marking
| 包装方式/Packing | 捆重/Bundle Weight | 标志内容/Marking |
|---|---|---|
| 捆扎/Bundling | 2-3吨/2-3 tons | 厂标、规格、等级等 Mill mark, size, grade etc. |
