JB/T 6686-1993 12角头法兰面螺栓

J13中华人民共和圜机械行业标准JBT6686-199312角头法兰面螺栓1993-06-01发布199401-01实施中华人民共和国机械工业部发布中华人民共和国机械行业标准JB/T6686-199312角头法兰面螺栓本标准适用于燃气轮机动力装置。0.2×45d1=0.95s注:d1为倒角圆的直径。标记螺纹规格d=M16,螺栓长度l=00mm,材料为30 CrMnSi的1角头法兰面螺栓的标记示例螺栓JB/T6686-93-Ml6×100·30 CrMnsi表1mm螺纹规格dM6M10M14)M16(M18)max2.143.525.156.91min1.893.22054.795.586.5514.3019.00min」9.1412.1713.8718.4820.8823.2825686.00140016.005.857.8598511.8213.8215828.1011.5013.8016.2019.60基本尺寸12.7015.00159018.max6.5112.8315.1316.0318.1314.8715.77max10.0012.0014.00170019.0078511.8213.8216.8218机械工业部1993-06-01批准1994-0101实施JBr6686-1993续表1「螺纹规格dM6MM0M2(M,M6(M18)max0.280.280.380.551.012螺纹规格dM20M24(M27)M30M33max6.826.54735max28.633.3038.1038.10dmin280832.683748374842.1846.8851.56max24.0027.0030.00d19.7921.7923.7929.7935.7521.9254027.7027.7034.6036.9041.60基本尺寸19.0022.2025.4031.8035.00max32.0035.20mIn18.8422.0425,2428.5431.6034.8019.0022.0024.0024.0030.0018.7923.7931.7535.75maxmin0.750.95螺纹规格d(M39)M42(M45)12.712.5615.6516.1016.10mIn281213151315smax61.7066.5076.056.269665.76max39.0042.0045.0048.0052.00d38.7541.7544.7547.7551.7047.3047.3053.1057.7057.70基本尺寸44.5050.8041.4044.705103379044.3050.550.5741.0046.0050.0040.7540.7545.7549,75max1.801.80m15155151.821.82技术条件按JB/T6688—1993的规定。JBr6686-1993表2螺纹规格dI M6 MS MIO MI2(MI4) M16(M18)M20偏差b(不包括螺尾)基本尺寸9711029121.6512.35(14)13.6514.351565(18)17.6519.5820.42(22)21.58224225.42(28)27.58284229.580.42(32)31.5032.50354.5035.50(38)37.503950405044.5045.5050.504.405940606064.4065.60694070607144756079.4080.6084.3085.7094.3010099.30100.701101093011070119012070130129.20130.80139.20501492015080160159.20179.20199.075200.925219.075220.925239075240.9252602589526105289528106529895301.05JBr6686-1993续表2mm螺纹规格dM)M24M27)M30MM36(M39)M42(M45)M48(M52基本尺寸偏b(不包括螺尾)10.2911.6513.6515.6516.3517.6518.3519582042(22)22.424.5825.42(28)29.5830.42(32)31.5034.50(38)37.5045.5049.5050.50440594060.606564.40694070.6074.4075.608079.400.608585.7094.3099.30100.7109.3010.707884120119.30120.70129.3011111213920140.80149.2056606672788490961020816199075219075220.925239075240.925261.05697379859197103109115121129注:①尽可能不采用括号内的规格。⑧b数值在表内虛折线上方的螺栓,螺杄上全部制岀螺纹,其螺纹收尾加螺纹空白总长不得大于二倍螺距。③在表内虚折线下方的螺栓,b数值为螺纹长度,其尺寸为b#°mmJBr6686-1993表3螺纹规格16M8MIO(Ml4)M16(M18)每1000个钢螺栓的重量kg≈4.9209.163995316.4730.51(14)5.80610.7432.29166.250l15318.9434.0747.93(18)6.69412.3220.18358550.3513.1121.413762(22758255.198.24842.069.393174527.5846.501159(32)9.8029336119.93550.94980825.9156.7(38)1130.2232.5153.6074.491028131.9164.64011.5210033.7455.3776.91105.91359169.012.6936.835982113.91458181.313.8964.26121.8155.8193.616028.9146.0973.1410l.1137.61758218,317.1330.3949.177758107.145.5185.7230.718.2432.852.26113.2153,4195.7243.0螺纹规格d(M12M24M30(M33)每1000个钢螺栓的重量kg≈256.2333.3397.05174650.4286.0368.8442.0572.9717.5300.9386.5464.5751.1315.8404.3487,06284784.6330.7422.0509,5656818.2345.6439.8532.0683.9851.7360.5457.8554.5711.6475.3577.0390.3493.1599.5767.29524100510.862209859110435.06570850.21053JBr6686-1993续表3螺纹规格(M22)M24(M27)(M33)每1000个钢螺栓的重量kg≈120464.8581.27120905.81120494.66173757.01187524,4802010176883847.01072160584.0723.88920l1281388180794.81239936.81461100812521572941.61432219319052397螺纹规格d1M6(M9)M42(M45)M48(M52)每1000个钢螺栓的重量kg≈1049153120176007911431336165621592236947911901390171822302319987.81237178124021028l84323722481553190624432568160725142651166225851716209225562817215527272900I1013072870306630146720973398150343818622692640422820272456285340341484560JBr6686-1993续表3mm螺纹规格M36(M39)M42(M45)M48(M52)每1000个钢螺栓的重量kg≈22021873076365244324892234728303294391047165224301735124150500055562667373043995284888300339146485568螺纹规格dM6MIOM12(M4)MI6(M18)M20每1000个钢螺栓的重量19.3534.8486.46119.2205,7255,4843169.2215.667.765195341313177.1225.699.78137.3185.02924143.3192.970.77200.82556110117.5216675.5341.820126.4173.52324295.589.28135.31856248.2315.53912144.2197.7264.0335.5150153.l209.8279.8355.5440.6162.12219295.6375.5465.3246.03272415.5514.7197.5358.8455.5564.1220注:尽可能不采用括号內的规格。附加说明本标准由南京燃气轮机研究所提出。本标准由南京燃气轮机研究所归口。本标准由南京汽轮电机厂、南京燃气轮机研究所、哈尔滨汽轮机厂、中国船舶工业总公司第703研究所起草