H08Mn2MoA低合金高強(qiáng)鋼埋弧焊絲
Standard | C | Mn | Si | Cr | Mo | V | Ni | Cu | S | P | |
GB | AWS | ||||||||||
H08Mn2MoA | EA4 | 0.06-0.11 | 1.60-1.90 | ≤0.25 | ≤0.20 | 0.50-0.70 | -- | ≤0.30 | ≤0.20 | ≤0.030 | ≤0.030 |
抗拉強(qiáng)度 Tensile Strength Rm (σb) MPa |
屈服強(qiáng)度 Yield Strength Rel (δs) MPa |
伸長率 Elongation A (δ5) % |
沖擊測試 Charpy V Impact Test -30℃ AKV(J) |
≥590 | ≥490 | ≥15 | ≥27 |