塔河XM25-111901-01类焊接钢管计划中国石化塔河炼化有限责任公司冷轧不锈钢带\δ=0.5mm 022Cr17Ni12Mo2 GB/T 24511流体碳素无缝钢管\Φ813×7.92mm 20 GB/T 8163镀锌焊接钢管\Φ33.7×3.2mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ26.9×2.8mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ33.7×3.2mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ26.9×2.8mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ21.3×3.5mm Q235A+Zn GB/T 3091镀锌焊接钢管\Φ48.3×3.5mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ33.7×3.2mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ26.9×2.8mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ21.3×3.5mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ48.3×3.5mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ26.9×3.5mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ33.7×3.2mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ33.7×3.2mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ26.9×2.8mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ21.3×3.5mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ21.3×3.5mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ48.3×3.5mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ33.7×3.2mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ33.7×3.2mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ48.3×3.5mm Q235B+Zn GB/T 3091
2025-11-21