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《低温压力容器用低合金钢钢板.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、个人收集整理勿做商业用途低温压力容器用低合金钢钢板(GB3531—1996)低温压力容器用低合金钢钢板(GB3531—1996)(1)尺寸规格和允许偏差见表5-155、表5-156。(2)牌号和化学成分见表5-157。表5-155低温压力容器用低合金钢钢板的厚度允许偏差 (mm) 公称厚度负偏差宽 度600~750>750~1000>1000~1200>1200~1000>1500~1700>1700~1800>1800~2000>2000~2300>2300~2500>2500~2600>2600~2800>2800~3000>3000~32000>3200~34
2、00>3400~3600>3600~3800正偏差6~7.5-O.250.450.55O.60O.600.75O.75O.750.80 >7.5~100.750.75O.850.850.900.900.901.001.151.151.15 >10~130.750.750.85O.850.950.950.951.051.251.251.251.55 >13~25 0.750.750.850.951.151.351.351.551.651.75 >25~30 0.850.850.951.051.251.451.551.651.751.85 >30
3、~34 O.951.051.051.151.351.551.651.751.952.05 >34~40 1.151.251.351.451.551.751.851.952.152.25 >40~50 1.351.451.551.651.751.952 052.152.352.45 >50~60 1.651.751.851.952.052.152.152.252.352.55 >60~80 2.552.552.552.552.652.752.852.852.852.852.952.95>80~100 2.952.952.952.953.053.
4、053.053.153.153.153.153.15注:钢板尺寸、外形及允许偏差应符合GB/T709的规定。表5-156低温压力容器用低合金钢钢板的厚度附加值 (mm)公称厚度宽 度600~750>750~1000 >1700~1800>1800~2000>2000~2300>2300~2500>2500~2600>2600~2800>2800~3000>3000~3200>3200~3400>3400~3600>3600~3800个人收集整理勿做商业用途计算质量的厚度附加值6~7.5O.100.150.18O.180.250.25O.250.28 >7.5~100
5、25O.250.300.300.32O.32O.32O.380.450.45O.45 >lO~13O.25O.25O.300.300.350.350.35O.40O.500500.500. 65 >13~25 0.25O.250.300.350.450.55055O.65O.70O.75 >25~30 O.300.30O.350.40O.50O.600.65O.700.75O.80 >30~34 O.350.400.400.45O.550. 650.70O.750.85O.90 >3-4~40 0.45O.500.550.600.65O.75O.
6、800.850.951.00 >40~50 O.55O.600.65O.70O.75O.85O.90O.951.051.10 >50~60 0.700.75O.80O.85O.900 950951.001.051.15 >60~80 1.151.151.151.151.201.251.301.301.301.301.351.35>80~100 1.351.351.351.351.401.401.401.451.451.451.451.45注:钢板按理论质量交货,用公称厚度加上表中的厚度附加值作为计算质量的理论厚度。钢的密度为7.85g/cm3。表5-1
7、57低温压力容器用低合金钢钢板的牌号和化学成分牌 号化学成分(质量分数)(%)CsiMnNiVNbAlsPS≤16MnlDR≤0.20O.15~O.501.20~1.60 ≥O.0150.030O.02515MnNiDR≤O.180.15~O.501.20~1.600.20一O.60≤0.06 ≥O.015O.030O.02509Mn2VDR≤O.12O.15~0.501.40~1.80 O.02~0.06 ≥O.0150.030O.025
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