世界各国不锈钢标准钢号对照表（新版）世界各国不锈钢标准钢号对照表（新版）中国中国GB1220-92俄罗斯俄罗斯GOST5632-72日本日本JISG4303-91美国美国ASTMA276-96比利时比利时BS970Part1BSEN10088-1-95德国德国DIN17400-96DINEN10088-1-...

过滤器滤网精度换算过滤器滤网精度换算微米10253040508010012015020040080015003000毫米0.010.0250.030.040.050.080.10.120.150.20.40.81.53.0目数1500650550400300200150120100804020105目数微米目数微米目数微米目数微米2.57925121397...

序号公称直径DN焊接钢管无缝钢管螺旋官UPVC管PP-R管PB管铝塑管铸铁排水管高密度聚乙烯管11521.32020202022026.8282525252532533.5323232323243242.33840404040540484850505050650605763636363505076575.5767575757588088.589759...

UPVCUPVC管管DNDN与与DeDe对照表对照表UPVC管DN与De对照表DNDe2025253232404050506370758090100110110125125140150160175180200200225225250250275280300315350355400400压力管道标准压力管道标准规格DN-公称直径Ф...

最新公称压力(MPa)管道壁厚对照表第1页共11页(201(20199年年))最新公称压力（最新公称压力（MPa)MPa)管道壁厚对照表管道壁厚对照表（一）无缝碳钢管壁厚mm材料PNMPaDN1015202532405065801001251502002503003504004505006002012CrM...

精心整理法兰型号尺寸对照表法兰型号尺寸对照表2008-12-14来源：作者：点击：267各种标准法兰尺寸对照各种标准法兰尺寸对照公称�通径PN16（GB4216.4-84)PN10(GB4216.4-84)PN6(GB4216.3-84)外圆孔距螺栓孔数外圆孔距螺栓孔数外圆孔距...

压力管道标准规格DN-公称直径Ф－外径大外径系列DN15-ф22mm，DN20-ф27mmDN25-ф34mm，DN32-ф42mmDN40-ф48mm，DN50-ф60mmDN65-ф76(73)mm，DN80-ф89mmDN100-ф114mm，DN125-ф140mmDN150-ф168mm，DN...

标准筛目数与孔径对照表毫米（毫米（mm））微米（微米（μm））目目1mm1000μm14目目0.0841mm841μm20目目0.0707mm707μm25目目0.595mm595μm30目目0.5mm500μm35目目0.42mm420μm40目目0.354mm354μm45目目0.297mm29...

清水饱和溶解氧值与温度关系对照表各种温度下饱和溶解氧值各种温度下饱和溶解氧值温度（℃)溶解氧（mg/L）温度（℃)溶解氧（mg/L）014.64189.46114.22199.27213.82209.08313.44218.90413.09228.73512.74238.57612.42248.41712.11258.25811.8126...

管径流速流量对照表管径流量流速0.10.110.180.290.450.711.191.812.834.426.3611.3117.6725.4534.6445.2457.2670.69101.790.20.230.350.580.901.412.393.625.658.8412.7222.6235.3450.8969.2790.48114.51141.37203.58...