| 牌号 | 4820RH |
|---|---|
| 对应标准 | ASTM A914/A914M-2019(R2024)
受限端部淬火硬化性要求的钢筋标准规范 Standard Specification for Steel Bars Subject to Restricted End-Quench Hardenability Requirements |
| 归类 | 合金钢 |
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