QB T 2031-1994 铜丝编织方孔网.pdf 28页

中华人民共和国轻工行业标准OB/T2031一1994铜丝编织方孔网1主题内容与适用范围本标准规定了钢丝编织方孔网的产品分类、技术要求、试验方法、检验规则、标志、包装、运翰、贮存本标准适用于作筛选、过滤等用途的钢丝编织方孔网2引用标准GB/T2828逐批检查计数抽样程序及抽样表(适用于连续批的检查)GB/T5231加工铜化学成分和产品形状GB/T5232加工黄铜化学成分和产品形状GB/T5233加工音铜化学成分和产品形状GB/T533。工业用金属丝编织方孔筛网GB/T8605工业网用金属丝3产品分类3.1按编织型式分二平纹编织代号为P(见图”;图1平纹编织b.斜纹编织代号为E(见图2)中国轻工总会1994一10一26批准1995一06一01实施426 QB/"r2031一1994图2斜纹编织c.珠丽纹编织(破斜纹编织)代号为z(见图3),图3珠丽纹编织(破斜纹编织)3.2按材料分a.铜代号为T;b.黄铜代号为H,c.锡青铜代号为Qo3.3产品规格尺寸(见表1) QB/T2031一1994428 QB/T2031一1994续表1 OB/T2031一1994续表1网孔基本尺寸W网孔算术平均尺寸偏差金属丝直径主要尺寸补充尺寸基本尺寸R10R20R40/3d优等品一级品合格品系列系列系列111幻1士%07100.5600.5001401，400.4500，4000.35506300.560O50Q1.251.250.4000.3550.3150.6300.50004501。180，4000。3550.315579.80.5600。4500.4001.120.3550.31502800。5600.5000.4001.001.001.000.3550。3150.2800.25005000.4500.3550.9000.3150.2500.224430 QB/T2031一1994续表1网孔基本尺寸W网孔算术平均尺寸偏差金属丝直径主要尺寸补充尺寸基本尺寸R10R20R40/3d优等品一级品合格品系列系列系列n、m士%0.5000.4500.3550.8500.3150.2800.2500.2240.4500.3550.3150.8000.8000.2800.2500.2000.4500.3550.3150.7100.7100.2800.2500.2000.4000.3155.6811.20.2800.6300.6300.2500.2240.2000.4000.3150.2800.6000.2500.2000.1800.3150.2800.5600.2500.2240.1800.3150.2500.5000.5000.5000.2240.2000.160431 Qs/T2031一1994续表1网孔基本尺寸w金属丝直径网孔算术平均尺寸偏差主要尺寸补充尺寸基本尺寸R10R20R40/3d优等品一级品合格品系列系列系列土%0.2800.2500.2000.4500.1800.1600.1400.2800.2240.2000.4250.1800.1600.1400.2500.2240.2000.4000.4000.1800.1600.1400.2245.6811.20.2000.3550.3550.1800.1400.1250.2000.1800.3150.3150.1600.1400.1250.2000.1800.1600.3000.1400.1250.1120.1800.1600.2800.1400.112432 Qs/"r2031一1994续表1网孔荃本尺寸W金属丝直径网孔算术平均尺寸偏差主要尺寸补充尺寸基本尺寸R10R20R40/3d优等品一级品合格品系列系列系列士%0.1600.1400.2500.2500.2500.1250.1120.1000.1600.1250.2245.6811.20.1000.0900.1400.1250.2120.1120.1000.0900.1400.1250.2000.2000.1120.0900.0800.1250.1120.1000.1800.1800.0906.3912.50.0800.0710.1120.1000.0900.1600.1600.0800.0710.0630.1000.0900.1500.0800.0710.063710140.1000.0900.1400.0710.0630.056 Qs/T2031一1994续表1434 Qs/T2031一1994续表1网孔基本尺寸W网孔算术平均尺寸偏差金属丝直径主要尺寸补充尺寸基本尺寸R10R20R40/3d优等品一级品合格品系列系列系列mm士%0.0500.0450.0630.0630.063811.215.70.0400.0360.0450.0400.0560.0360.0328’12.517.50.0400.0530.0360.0320.0400.0360.0500.0500.0320.0300.036912.517.50.0450.0450.0320.0280.0320.0400.0400.0300.0250.0320.0380.0300.025101419.60.0300.0360.0280.0223.4产品标记TW口口口/口QB/T2031-1994金属丝直径基本尺寸网孔基本尺寸编织型式代号材料代号钢丝编织方孔网示例1:网孔基本尺寸0.850mm,铜丝直径0.280mm的平纹编织方孔网标记为TWTP0.850/0.280QB/T2031-1994435 QB/T2031一1994示例2:网孔基本尺寸。.180mm，黄铜丝直径。.080mm的平纹编织方孔网标记为:TWHP0.180/0.080QB/T2031-1994示例3:网孔基本尺寸。.063mm,锡青铜丝直径。.040mm的斜纹编织方孔网标记为TWQE0.063/0.040QB/T2031-19944技术要求4.1网孔基本尺寸及尺寸偏差应符合表1的规定。4.2网长、网宽4.2.1产品每卷的网长、网宽及允许偏差应符合表2的规定。表2网孔基本尺寸网长L网宽BW公称尺寸允许偏差公称尺寸允许偏差0.036-5.00>0士54.2.2网长不小于lom的自然卷可按成品出厂。注1:一连续的网段称为自然卷4.3材料4.3.1产品材料应采用热处理后的软态铜丝、黄铜丝、锡青铜丝。a.铜丝的化学成分应符合GB/T5231中的TZ,T=b.黄铜丝的化学成分应符合GB/T5232中的H65,H68,H80,c.锡青铜丝的化学成分应符合GB/T5233中的QSn6.5-0.1,QSn6.5-0.404.3.2丝直径的尺寸公差及表面质量应符合GB/T8605的规定。4.4网面缺陷网面缺陷应符合表3的规定。表3网孔荃本尺寸W每卷不超过处数缺陷名称缺陷程度目1m优等品一级品合格品5.000-1.700不允许1.600^-0.450G3个连续孔为一处123断丝0.425-0.180《4个连续孔为一处1230.1600.03656个连续孔为一处2585.000^-0.450一根长20-50mm为一处.小于20mm不考核123松丝0.425^0.180123一根长10-25m.为一处，小于lomm不考核0.160^-0.0362585.000^0.4501230.425-0.180135顶扣一个为一处0.160^0.12537100.112^-0.03641015436 Qs/T2031一1994续表3网孔基本尺寸w每卷不超过处数缺陷名称缺陷程度幻1们1优等品一级品合格品5.000^-0.450001经0.425-0.180012每根长度不大于3m为一条0.160^-0.125012向0.112^0.03612’3稀密档5.000^-0.450124纬0.425^0.180248不大于lOmm为一处0.160^-0.1254810向0.112^-0.03648125.000^-0.450经向长度50mn。内.6-9个为一处，小于6个不考核0.425^-0.180经向长度50-内，8-12个为一处，小于8个不考核编纬614200.1600.125经向长度50mm内，1218个为一处，小于12个不考核0.112^-0.036经向长度50m.内，16^-24个为一处，小于16个不考核5.000^-0.450不允许0.425^-0.180135回鼻0.160^-0.125一个为一处26100.112^-0.036412205.000^0.4501240.425^0.180146并丝0.160-0.125长度50-100mm为一处，小于50mm不考核2580.112^-0.06337100.056-0.03649145.000^-1.700不允许1.600^-0.450簇3孔为一处123跳丝0.425^-0.180簇4孔为一处1350.160-0.036(6孔为一处3710注①5.000^-0.18。大于规定网孔菇本尺寸的50%为稀档，小于规定网孔基本尺寸50%为密档。0.160^-0.036大于规定网孔羞本尺寸的60%为稀档，小于规定网孔基本尺寸60%为密档。②有下列情况之一，均为不合格:断丝的连续孔数、松丝长度、稀密档长度、编纬个数、并丝长度或跳丝孔数超过了表中缺陷程度规定的上限4.5M表面质f网面应平整、清洁，不得有破洞、机械损伤、锈斑和杂物织人。允许经向接头，但应编织紧密。4.6网段组成产品应成卷供应，同一卷内必须是同一规格、同一材料、同一等级的网段组成。网段组成应符合表4的规定。437 QB/T2031一1994表4网孔基本尺寸，mm网段组成数盘最小网段长度，m5.02.812.5-0.315簇250.3000.200簇30.180^-0.140簇40.125^-0.080簇52.50.075^0.036簇65试验方法5.1产品检验工作台应符合GB/T533。的规定。5.2对4.1条网孔基本尺寸和4.4条中的稀密档检验时距网边应不小于20mm，并根据网孔基本尺寸的要求，用相应的游标卡尺、经纬密度仪或读数显微镜等量具侧量。侧网孔基本尺寸时稀密档处除外。用卡尺、读数显微镜或投影仪测量网孔基本尺寸时，网孔尺寸5.0-1.OQmm测连续10个孔，网孔尺寸0.900^-0.071mm测连续20个孔，网孔尺寸0.063-0.036mm测连续40孔，以连续孔的算术平均值为一处，测三处取平均值来评定。在对检测数值的准确性有异议时，以投影仪作仲裁检验。5.3对4.2条网长和网宽用读数值为Imm的a具测量。54材料5.4.1对4.3.1条丝的材质由供货单位提供质量保单后，可不作化学成分的检验;有争议时可根据相应材质的检验标准进行检验。5.4.2对4.3.2条丝直径的检测用相应的量具测蛋，丝表面质量的检验用目测。丝径检测时，应分别测量不少于5根经丝和纬丝。5.5对4.4条的检验目测计数进行。5.6对4.5条的检验目测进行。5.7对4.6条的检验用目侧或相应量具检测，对网孔基本尺寸的侧量每一网段的测量不少于2处。6检验规则6.1每批产品出厂前，都应按标准规定的逐批检验项目进行检验，逐批检验的抽样检查应符合GB/T2828的规定。6.2逐批检验采用特殊检查水平S-4，正常检查一次抽样方案。不合格类别、检验项目、合格质量水平CAQL)按表5规定。样本单位为卷。自然卷的检验根据其长度按比例计算。表5不合格类别检验项目检验条款合格质f水平(AQL)网宽4.2.1网孔基本尺寸4.1B2.5破洞4.4断丝4.4 QB/"r2031一1994续表5不合格类别检验项目检验条款合格质f水平(AQL)网长4.2.110丝直径尺寸4.3.210松丝4.410顶扣4.410稀密档4.410C编纬4.41025回异4.410并丝4.410跳丝4.4.10网表面质t(破祠除外)4.510网段组成4.610了标志、包装、运翰、贮存了.1标志7.1.，产品应有合格证，其上注明:a.名称。b.标记;c网宽、网长及数ftd.检验结果;e.检验日期及检验人员章;r.制造厂名。7.1.2外包装上应注明:a.名称;b.标记;c.网长、网宽;d.重量;e.等级，f.制造厂名，9.出厂日期。7.2包装产品内包装用防潮材料包裹;外包装应牢固。7.3运输产品运输过程中应避免雨淋、受潮及化学品腐蚀。了.4贮存产品应贮存在干燥、空气流通、无腐蚀性介质的仓库中。距离地面200mm以上，要防止重压。产品自生产日期起，防锈期为12个月。 Qs/T2031一1994附录A(参考件)铜丝编织方孔网结构参数及目数对照表表A1网孔基本尺寸，mm金属丝筛分面积单位面积理论重t,kg/m"相当英制直径百分率H65目数R10系列R20系列R40/3系列铜H80黄铜锡青铜n】n、%H68黄钢(目/25.4.m)1.6057.45.5885.3375.4315.5253.851.2564.03.5963.4353.4953.5564.065.005.001.1266.72.9512.8192.8682.9184.151.0069.42.3982.2902.3312.3714.230.90071.81.9791.8901.9241.9574.311.6056.05.8055.5445.6425.7404.001.2562.73.7473.5793.6423.7054.234.751.1265.53.0802.9412.9933.0454.331.0068.22.5062.3942.4362.4784.420.90070.72.0661.9732.0082.0434.501.4058.24.7894.5744.6544.7354.311.1264.13.2143.0703.1243.1784.521.0066.92.6192.5022.5462.5904.624.500.90069.42.1582.0612.0982.1344.700.80072.11.7391.6601.6901.7194.790.71074.61.3951.3321.3551.3794.881.4054.95.2234.9885.0765.1644.701.2558.04.2874.0944.1674.2394.841.1261.03.5283.3693.4293.4884.964.004.004.001.0064.02.8802.7512.7992.8485.080.90066.62.3792.2722.3122.3525.180.71072.11.5401.4711.4971.5235.39，1.2554.74.6864.4754.5544.6335.293.351.0060.93.1643.0213.0753.1285.580.90063.62.6222.5052.5492.5935.710.80066.62.1192.0242.0592.0955.843.550.71069.41.7031.6271.6551.6845.960.63072.11.3681.3071.3301.3536.080.56074.61.0991.0501.0681.0876.18440 Qs/T2031一1994续表A1}网孔基本尺寸，mm金属丝筛分面积单位面积理论重f.kg/m"相当英制直径百分率H65目数只10系列R20系列R40/3系列铜H80黄铜锡青钢mn1写H‘8黄铜(目/25.4.-)1.2553.04.8904.6704.7354.8355.520.90062.12.7462.6222.6692.7155.980.80065.22.2212.1212.1592.1966.123.350.71068.11.7891.7091.7391.7696.260.63070.81.4361.3721.3961.4206.380.56073.41.1561.1041.1241.1436.501.2551.35.1114.8824.9685.0545.771.1254.44.2324.0414.1134.1845.950.80063.62.3332.2282.2682.3076.433.153.15/0.71066.61.8811.7971.8281.8606.580.63069.41.5121.4441.4701.4956.720.56072.11.2181.1631.1831.2046.850.50074.50.9870.9430.9590.9766.961.1251.04.609、4.4024.4794.5576.480.80060.52.5622.4472.4902.5337.062.802.800.71063.62.0691.9762.0112.0467.240.63066‘1.6681.5931.6211.6497.410.56069.41.3441.2841.3061.3297.561.0051.04.11619314.0014.0707.260.71060.72.2602.1扇2.1972.2357.912.502.500.63063.81.8281.7451.7761.8078.120.56066.71.4761.4091.4341.4598.300.50069.41.2001.1471.1671.1878.471.0049.34.2864.0944.1664.2387.560.80055.82.9182.7872.8362.8858.040.63062.31.9101.8251.8571.8898.492.360.56065.31.5471.4781.5041.5308.700.50068.11.2591.2031.2241.2458.880.45070.51.0380.9911.0091.0269.040.90050.93.7153.5483.6103.6738.090.63060.91.9911.9021.9351.9698.852.240.56064.01.6131.5411.5681.5959.010.50066.81.3141.2551.2771.2999.27441 QB/T2031一1994续表Al网孔基本尺寸，mm金属丝筛分面积单位面积理论重盘，kg/mZ相当英制直径百分率H65目数R10系列R20系列R40/3系列锅H80黄铜锡青铜11】n〕%H6s黄铜(目/25.4mm)2.240，4506931.0841.03510541.0729.440.90047‘64.02338423.9103.9788.760.63057，82.1732.0762.11221499.660.56061.0176416851.7141.7449.922.002.002.000.5006401.4401，3751.4001.42410.160.4506661.1901。1371.1571.17710.370。40049.40.9600.9170.933094910，580.8004793.5453.3863。4453.5059770.56058.21.9141.8281.8601.89210.761.800.50061.21.5651.4941.5211.54711‘04045064.012971.2381.2601.28211.290，4006691.0481.0011.0181.03611.550。80046.23，6863，5213，5833.64510.160.63053。22.4532.3422.3842，42510.901。700.50059.71.6371。5641。5911.61911.550.4506251.3561.2951.318134111.810.40065.51.0981.0491.0671.08612。100.80044.43.8393.6673.7313.79610.580.56054.92.0921.9982.0332.06811.761.601.600500580171516381。6671.69612.100.4506091.4231.3591.383140712，390.40064.01.1521.1001.1201.13912，700.71044.03.4413.2863.3443。40212.040.56051.02.3042.2002.2392.27812.960。50054.318951.8101.842187413.371.401400.45057，31.5771.5061，5321.55913.73040060.51.2801.22312441.26614.110.35563.610350.9881.0061.02314.470.6304423.0402.9042.9553.00613510.5604772.49523832.4252.46714.031，251.250.50051.02.05719651.9992.03414.51040057.41，3971.3341.3571.38115.3960.71。1321.0811.1001.11915.83442 Qs/T2031一1994续表A1网孔基本尺寸，mm单位面积理论重蛋,kg/m}金属丝筛分面积相当英制l直径百分率H65目数R10系列R20系列R40/3系列铜H80黄钢锡青钢mm%H68黄铜(目/25.4mm)1.251.250.31563.80.9130.8820.8980.90316.230.63042.53.1573.0163.0693.12214.030.50049.32.1432-0472.0832.11915.120.45052.41.7891.7091.7391.76915.581.180.40055.81.4581.3931.4171.44216.080.35559.11.1821.1291.1491.16916.550.31562.30.9560.9130.9290.94516.990.56044.42.6882.5672.6132.65815.120.45050.91.8581.7741.8061.83716.180.40054.31.5161.448‘1.4731.49916.711.120.35557.61.2311.1761.1961.21717.220.31560.90.9960.9510.9680.98517.700.28064.00.8070.7710.7840.79818.140.56041.12.8952.7642.8132.86216.280.50044.42.4002.2922.3332.37316.930.40051.01.6451.5721.5991.62718.141.001.001.000.35554.51.340"1.2801.3021.32518.750.31557.81.0871.0381.0571.07519.320.28061.00.8820.8420.8570.87219.840.25064.00.7200.6880.7000.71220.320.50041.32.5712.4552.5002.54218.140.45044.42.1592.0622.0992.13518.810.35551.41.4461.3811.4061.43020.240.9000.31554.91.1761.1231.1431.16320.910.25061.20.7830.7480.7610.77422.090.22464.10.6430.6140.6250.63622.600.50039.62.6662.5462.5912.63618.810.45042.82.2432.1422.1802.21819.540.35549.81.5061.4381.4641.48921.080.8500.31553.21.2271.1721.1921.21321.800.28056.60.9990.9540.9710.98822.480.25059.70.8180.7870.7950.80923.090.22462.60.6740.6430.6550.66623.65443 Qs/T2031一1994续表A1网孔基本尺寸，mm首分面积单位面积理论重量,kK/m"相当英制百分率目数R10系列}R20系列}R40/3系列铜H65黄钢}H80黄铜}锡青铜%H68(目/25.4mm)30.45041.0一2.2282.2682.30720.325725280.35548.0一501-1.5540.31551.5281一1.2242451.2670.800}0.800046-0160.28054.90.9991.03423.52众840.25058.00.8580.8190.834-一以5700.20064.00.5760.5510.560245..1409--么4860.45037.52.5142.4012.444一0.35544.41.7041.628硼一685231.89050.31548.01.395筋-3791.332一0.7100.710280109-128一1.090245..7686250一01..9143180.9110.92726.4620一60.90.6330.6150.62627.9140︼37.42.2372.137I2.1742.21224.60315一44.41.5121.49526.88280一1.241414845斗1.4207061.22727.910.630}0.630250一1.0220.977}0.9941.01128.8624何-54.40.847一0.630.8230.83729.742068一57.60.894赢0.67440-278乙36.02.304]何2.2392350..460恤-一54L0.31543.01.562J126一﹃27.76--L2690.28046.51.283一101︼何28.860.6000.25049.81.059一恤1.04729.880.20056.30.7200.688一何0.71231.75以5720.18059.20.599一0.59232.56-894一何L0.35537.51.983-一何1.96127.762840.28044.41.344-一1.0801.329L0620.5600.2501.099301..2346一-8101..912121认0.8960.91232.4057.30.6310.6030.6恤130.62434.320.31537.61.7541.675︼﹃31.170.25044.41.2001.147J097033.870.500}0.5000.5000.22447.70.9980.953一08035.080.20051.00.8230.7860.98817436.29444 Qs/T2031一1994续表A1网孔基本尺寸，mm金属丝筛分面积单位面积理论重itIkg/."相当英制直径百分率H65目数Rio系列R20系列R40/3系列铜H80黄铜锡青钢nlm%H68黄铜(目/25.4.m)0.5000.5000.5000.16057.40.5590.5340.5440.55338.480.28038.01.5461.4771.5031.52934.790.25041.31.2861.2291.2501.27236.290.20047.90.8870.8470.8620.87739.080.4500.18051.00.7410.7080.7210.73340.320.16054.40.6050.5780.5880.59841.640.14058.20.4780.4570.4650.47343.050.28036.31.6021.5301.5571.58436.030.22442.11.1141.0631.0821.10139.140.20046.20.9220.8810.8960.91240.640.4250.18049.30.7720.7370.7500.76341.980.16052.80.6300.6020.6120.62343.420.14056.60.5000.4770.4860.49444.960.25037.91.3851.3221.3461.36939.080.22441.11.1581.1061.1251.14540.710.20044.40.9600.9170.9330.94942.330.4000.4000.18047.80.8050.7690.7820.79643.790.16051.00.6580.6290.6400.65145.360.14054.90.5230.4990.5080.51747.040.22437.61.1921.2131.23443.870.20040.90.9921.0091.02745.770.3550.3550.3550.18044.00.8340.8480.86347.480.14051.40.5450.5540.56451.310.12554.70.4570.4650.47353.920.20037.41.0681.0871.10649.320.18040.50.9000.9160.93251.310.3150.3150.16044.00.7420.7550.76853.470.14047.90.5930.6040.61455.820.12551.30.4890.4970.50657.730.20036.01.1001.1201.13950.800.18039.10.9280.9450.96152.920.3000.16042.50.7660.7790.79355.220.14046.50.6130.6240.63557.73445 Qs/T2031一1994续表A1网孔基本尺寸，mm金属丝筛分面积单位面积理论重且,kg/m"相当英制直径百分率H65目数R10系列R20系列R40/3系列铜H80黄钢锡青钢mm%H68黄钢(目/25.4mm)0.12549.80.5060.5150.52459.760.3000.11253.00.4190.4270.43461.650.18037.10.9690.9861.00355.220.16040.50.8010.8150.82957.730.2800.14044.40.6420.6540.66560.480.11251.00.4400.4480.45664.800.16037.20.8590.8740.88961.950.14041.40.6920.7040.71665.130.2500.2500.2500.12544.40.5740.5840.59467.730.11247.70.4770.4860.49470.170.10051.00.3930.4000.40772.570.16034.00.9180.9340.95066.150.12541.20.6160.6270.63872.180.2240.10047.80.4250.4330.44078.400.09050.90.3550.3620.36880.980.14036.30.7660.7790.79372.160.12539.60.6380.6490.66075.370.2120.11242.80.5330.5430.55278.400.10046.20.4410.4490.45781.410.09049.30.3690.3750.38284.110.14034.60.7930.8070.82174.710.12537.90.6620.6730.68578.150.2000.2000.11241.10.5530.5630.57381.410.09047.60.3840.3910.39887.590.08051.00.3150.3200.32690.710.12534.80.7050.7180.73083.280.11238.00.5910.6020.61286.990.10041.30.4920.5000.50990.710.1800.1800.09044.40.4120.4200.42794.070.08047.90.3390.3450.35197.690.07151.40.2760.2810.286101.200.11234.60.6350.6460.65793.380.1600.1600.10037.90.5290.5390.54897.69446 Qs/"r2031一1994续表Al网孔基本尺寸,mm金属丝筛分面积单位面积理论重量，kg/m，相当英制直径百分率H65目数R10系列R20系列R40/3系列铜H80黄铜锡青铜mm%H68黄铜(目/25.4.m)0.090们00.4460.4540.462101.600.08044.40.3670.3740.380105.830.1600.1600.07148.00.3000.3060.311109.960.06351.50.2450.2500.254113.900.10036.00.5510.5600.570101.600.09039.10.4650.4730.481105.830.1500.08042.50.3830.3900.397110.430.07146.10.3140.3190.325114.930.06349.60.2570.2610.266119.250.10034.00.5740.5840.594105.830.09037.10.4850.4930.502110.430.1400.07144.00.3290.3350.341120.380.06347.60.2690.2740.279125.120.05651.00.2200.2240.228129.590.09033.80.5190.5280.537118.140.08037.20.4300.4370.445123.900.07140.70.3540.3610.367129.590.1250.1250.1250.06344.20.2910.2960.301135.110.05647.70.2390.2430.247140.330.05051.00.1970.2010.204145.140.08034.00.4590.4670.475132.290.07137.50.3800.3860.393138.800.1120.06341.00.3120.3170.323145.140.05644.40.2570.2610.266151.190.05047.80.2130.2160.220156.790.08032.50.4730.4820.490136.560.07135.90.3920.3990.406143.500.1060.06339.30.3430.3490.335150.300.05642.80.2670.2710.276156.790.05046.20.2210.2250.229162.820.08030.90.4900.4980.507141.110.1000.1000.07134.20.4060.4130.420148.540.06337.60.3350.3410.347155.83447 QB/T2031一1994续表A1网孔基本尺寸，mm金属丝蹄分面积单位面积理论重t,kg/m`相当英制直径百分率H65目数R10系列R20系列R40/3系列钢H80黄俐锡青铜nlnl%H68黄铜(目/25.4mm)0.05641.10.2770.2820.287162.820.1000.1000.05044.40.2300.2340.238169.330.07131.20.4310.4380.446157.760.06334.60.3570.3640.370166.010.0900.0900.05638.00.2960.3010.306173.970.05041.30.2460.2510.255181.430.04544.40.214188.150.06331.30.3830.3890.396177.620.05634.60.3180.3230.329186.760.0800.0800.05037.90.2650.2690.274195".380.04541.00.231203.200.04044.40.190211.670.06329.50.3960.4030.410184.060.05632.80.3290.3350.341193.890.0750.05036.00.2750.2800.285203.200.04539.10.241211.670.04042.50.198220.870.05631.30.3400.3460.352200.000.05034.40.2850.2900.295209.920.0710.04537.50.249218.970.04040.90.206228.830.05031.10.3040.3100.315224.780.04534.00.267235.190.0630.0630.0630.04037.40.222246.600.03640.50.187256.570.04530.70.286251.490.0560.04034.00.238264.58448 Qs/T2031一1994续表A1网孔基本尺寸，mm单位面积理论重且,Kg/ma相当英制金属丝筛分面积直径百分率H65目数R10系列R20系列R40/3系列铜H80黄钥锡青钢nlni%H68黄俐(目/25.4mm)0.03637.10.201276.090.0560.03240.50.166288.640.04032.50.245273.120.0530.03635.50.208285.390.03238.90.172298.820.04030.90.253282.220.03633.80.215295.350.0500.0500.03237.20.178309.760.03039.10.161317.500.03630.90.228313.580.0450.0450.03234.20.190329.870.02838.00.153347.950.03230.90.203352.780.0400.0400.03032.70.183362.860.02537.90.137390.770.03229.50.209362.860.0380.03031.20.189373.530.02536.40.142403.170.03029.80.195384.850.0360.02831.60.175396.880.02238.50.119437.93449 QB/T2031一1994附录B铜丝编织方孔网编织缺陷名称注解B1纬丝稀密档纬丝目孔稀、密的条状档子。图BIB2经丝稀密档眼孔不均造成经丝孔差。图B2B3断丝网面上经丝或纬丝单根断开。图B3B4跳丝经丝或纬丝局部交织错误。450 QB/T2031一1994图B4B5松丝个别经丝或纬丝松动移位。图B5B6顶箱经丝接头不良，顶出网面。图B6451 QB/T2031一1994B7缩纬纬丝局部弯曲，网孔变形。B8回班金属丝打圈、扭结，突出网面。图B8Bg并丝两根或两根以上金属丝并列编织在一起。452 Qs/T2031一1994附加说明:本标准由中国轻工总会标准质量部提出。本标准由全国建筑五金标准化中心归口。本标准由上海市建筑五金工业研究所、天津金属网厂、上海筛网厂、上海华光金属丝网厂、成都金属网厂、常州电子计算机一分厂、苏州金属丝布厂、山东泰安市钢网厂负责起草。本标准主要起草人徐伯均、张俨、俞伟、周光远、王素平、刘明芳。自本标准实施之日起，原轻工业部部标准SG231-19811铜丝布》作废。453