| 牌号 | Grade B |
|---|---|
| 對應标準 | ASTM A 588-2005
耐大氣腐蝕的最小屈服點≤50ksi[345MPa]的高強度低合金結構鋼标準規範 High-Strength Low-Alloy Structural Steel, up to 50 ksi [345 MPa] Minimum Yield Point, with Atmospheric Corrosion Resistance |
| 歸類 | 合金鋼 |
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