Q235B钢材性能
表
关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf
Q235TheGradandChemicalCompositionofCarbonConstructionSteelGrade:Q235QualityGrade:BChemicalcompositionQualityScore%|C:0.12~0.20ChemicalcompositionQualityScore%|Mn:0.30~0.70①ChemicalcompositionQualityScore%|Si②≤:0.30ChemicalcompositionQualityScore%|S≤:0.045ChemicalcompositionQualityScore%|P≤:0.045methodofdeoxidation:F、b、ZTheMechanicalPropertyofCarbonConstructionSteelGrade:Q235QualityGrade:BTensiletesting|YieldPointσs/MPa≥|SteelThicknessorDiameter/mm|≤16:235Tensiletesting|YieldPointσs/MPa≥|SteelThicknessorDiameter/mm|>16~40:225Tensiletesting|YieldPointσs/MPa,≥|SteelThicknessorDiameter/mm|>40~60:215Tensiletesting|YieldPointσs/MPa,≥|SteelThicknessorDiameter/mm|>60~100:205Tensiletesting|YieldPointσs/MPa,≥|SteelThicknessorDiameter/mm|>100~150:195Tensiletesting|YieldPointσs/MPa,≥|SteelThicknessorDiameter/mm|>150:185Tensiletesting|TensileStrengthσb/MPa:375~500Tensiletesting|Elongationδ5(%),≥|SteelThicknessorDiameter/mm|≤16:26Tensiletesting|Elongationδ5(%),≥|SteelThicknessorDiameter/mm|>16~40:25Tensiletesting|Elongationδ5(%),≥|SteelThicknessorDiameter/mm|>40~60:24Tensiletesting|Elongationδ5(%),≥|SteelThicknessorDiameter/mm|>60~100:23Tensiletesting|Elongationδ5(%),≥|SteelThicknessorDiameter/mmm|>100~150:22Tensiletesting|Elongationδ5(%),≥|SteelThicknessorDiameter/mm|>150:21AKV|temperature/℃:20AKV|V-shaped(longitudinal)AKVAK/J,≥:27BendTesting,B=2a,180°|SteelThicknessorDiameter/mm|≤60|flexuralcorediameterd/mm:longitudinal:a,horizontal:1.5aBendTesting,B=2a,180°|SteelThicknessorDiameter/mmm|>60~100|flexuralcorediameterd/mm:longitudinal:2a,horizontal:2.5aBendTesting,B=2a,180°|SteelThicknessorDiameter/mm|>100~200|flexuralcorediameterd/mm:longitudinal:2.5a,horizontal:3a