a335p91合金管材质
2015/9/4 13:25:23 作者: 山东鑫启程钢管有限公司
高温用无缝铁素体合金钢管---压力容器用无缝钢管执行标准:ASTM A335/A335M-2003代表钢级:ASTM A335 P11;P12;P91;P92;P22;P5;P9;P23、TP304H、TP347H用途: 工作温度 540-750C 高温工作环境下、高压、超高压、亚临界电站锅炉、过热器、集箱和主蒸汽导管等化学成分要求:级别 UNS标号①成分,℅其他CMnP,≤S,≤SiCrMo…P1K115220.10-0.200.30-0.800.0250.0250.10-0.50…0.44-0.65…P2K115470.10-0.200.30-0.610.0250.0250.10-0.300.50-0.810.44-0.65…P5K41545≤0.150.30-0.600.0250.025≤0.504.00-6.000.45-0.65…P5bK51545≤0.150.30-0.600.0250.0251.00-2.004.00-6.000.45-0.65…P5cK41245≤0.120.30-0.600.0250.025≤0.504.00-6.000.45-0.65…②P9S50400≤0.150.30-0.600.0250.0250.50-1.008.00-10.000.90-1.10…P11K115970.05-0.150.30-0.600.0250.0250.50-1.001.00-1.500.44-0.65…P12K115620.05-0.150.30-0.610.0250.025≤0.500.80-1.250.44-0.65…P15K115780.05-0.150.30-0.600.0250.0251.15-1.65…0.44-0.65…P21K315450.05-0.150.30-0.600.0250.025≤0.502.65-3.350.80-1.06…P22K215900.05-0.150.30-0.600.0250.025≤0.501.90-2.600.87-1.13…P91K915600.08-0.120.30-0.600.0200.0100.20-0.508.00-9.500.85-1.05V0.18-0.25N0.030-0.070Ni≤0.40Al≤0.04Nb0.06-0.10P92K924600.07-0.130.30-0.600.0200.010≤0.508.50-9.500.30-0.60V0.15-0.25N0.03-0.07Ni≤0.40Al≤0.04Nb0.04-0.09W1.5-2.00B0.001-0.006拉伸性能要求识别符 P1,P2P12P91P92其他级别抗拉强度,≥Ksi(MPa)55(380)60(415)85(585)90(620)60(415)屈服强度,≥Ksi(MPa)30(205)32(220)60(415)64(440)30(205)标距2in.或50mm(或4D)伸长率,≥,%除P91和P92外,所有级别的伸长率要求P91纵向横向纵向横向壁厚≥5/16in.(8mm)条状试样及所有全截面试验小尺寸试样的基本伸长率302020…当使用标距为2in.或50mm的标准圆形试样,或标距为4D小尺寸比例试样时:22142013从壁厚5/16in.(8mm)条状试样没减薄1/32in.(0.8mm)时,从基本伸长率所应减少的百分数1.50①1.00①1.00①…
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