鋼絲繩(設(shè)計(jì)規(guī)范)

1、鋼絲繩(設(shè)計(jì)規(guī)范)（GB/T8918-1996） 1.鋼絲繩（GB/T 8918-1996）(1)分類見表7-172。圖7-1鋼絲繩的捻法(2)力學(xué)性能見表7-173表7-190。表7-172鋼絲繩的分類組別類  別分類原則典  型  結(jié)  構(gòu)直徑范圍/mm鋼絲繩股  繩1圓股鋼絲繩6x76個圓股。每股外層絲可到7根，中心絲(或無)外捻制12層鋼絲，鋼絲等捻距6×76×9W(6+1)(3/3+3)236143626×19(a)6個圓股，每股外層絲8-12根，中心絲外捻制23層鋼絲，鋼絲等捻距6×19S6x

2、19W6×25Fi6x26SW6×31SW(9+9+1)(6/6+6+1)(12+6F+6+1)(10+5/5+5+1)(12+6/6+6+1)6366401444134012466x19(b)6個圓股，每股外層絲12根，中心絲外捻制2層鋼絲6x 19(12+6+1)34636×37(a)6個圓股，每股外層絲1418根，中心絲外捻制34層鋼絲，鋼絲等捻距6×29Fi6×36SW6×37S(點(diǎn)線接觸)6×41SW6x49SWS6×55SWS(14+7F+7+1)(14+7/7+7+1)(15+15+6+1)(16+8

3、/8+8+1)(16+8/8+8+8+1)(18+9/9+9+9+1)104412601O603260366036646×37(b)6個圓股，每股外層絲18根，中心絲外捻制3層鋼絲6×37(18+12+6+1)5664圓股鋼絲繩8×198個圓股，每股外層絲812根，中心絲外捻制2-3層鋼絲，鋼絲等捻距8×19S8×19W8×25Fi8×26SW8x 31SW(9+9+1)(6/6+6+1)(12+6F+6+1)(10+5/5+5+1)(12+6/6+6+1)11441O4818521648145658×378個圓股

4、，每股外層絲14-18根，中心絲外捻制34層鋼絲，鋼絲等捻距8×36SW8×41SW8×49SWS8×55SWS(14+7/7+7+1)(16+8/8+8+1)(16+8/8+8+8+1)(18+9/9+9+9+1)1460405644644464617×7鋼絲繩中有17或18個圓股，在纖維芯或鋼芯外捻制2層股17×718×718×19W18×19S18×19(6+1)(6+1)(6/6+6+1)(9+9+1)(12+6+1)644644144414441044734×7鋼絲繩中有34

5、或36個圓股，在纖維芯或鋼芯外捻制3層股34×736×7(6+1)(6+1)1644164486×246個圓股，每股外層絲1216根，股纖維芯外捻制2層鋼絲6×246×24S6×24W(15+9+FC)(12+12+FC)(8/8+8+FC)84010441O4496V×76個三角形股，每股外層絲79根，三角形股芯外捻制1層鋼絲6V×18(9+/3×2+3/)203610異型股鋼絲繩6V×196個三角形股，每股外層絲1O-14根，三角形股芯或纖維芯外捻制2層鋼絲6Vx 2I6V×306

6、V×33(12+9+F)(12+12+6)(12+12+/3×2+3/)113620382844116V×376個三角形股，每股外層絲15-18根，三角形股芯外捻制2層鋼絲6Vx 366V×37S6V×43(15+12+/3×2+3/)(15+12+/3×7+3/)(18+15+/1×7+3/)325232525258124V×394個扇形股，每股外層絲15-18根，纖維股芯外捻制3層鋼絲4Vx 39S4V×48S(15+15+9+FC)(18+18+12+Fc)8362040136Q×

7、;19+6V×21鋼絲繩中有12-14個股，在6個三角形股外，捻制68個橢圓股6Q×19+6V×216Q×33+6V×21外股(14+5)內(nèi)股(12+9+FC)外股(15+13+5)內(nèi)股(12+9+FC)4052406014扁鋼絲繩扁鋼絲繩中有6個或8個左交互捻和右交互捻的子繩交替排列P6×4×7P8×4×7P8×4×9P8×4×19(6+1)(6+1)(9+FC)(12+6+1) 注：1.2組和3組內(nèi)推薦選用a類鋼絲繩。2.8組、12組及異型股鋼絲繩中6

8、V×21結(jié)構(gòu)僅為纖維繩芯，其余組別的鋼絲繩(扁鋼絲繩除外)，可由需方指定纖維芯或鋼芯。3.三角形股芯的結(jié)構(gòu)可以互相代替，或改用其他結(jié)構(gòu)的三角形股芯，但應(yīng)在訂貨合同中注明。4.鋼絲繩按捻法分為右交互捻、左交互捻、右同向捻和左同向捻四種，如圖7-1所示。圖a和圖b繩與股捻向相反，圖c和圖d繩與股捻向相同。5.1-7組鋼絲繩可為交互捻和同向捻，其中6組和7組多層圓股鋼絲繩的內(nèi)層繩捻法，由生產(chǎn)廠確定。6.6×37(b)組、8組和12組鋼絲繩僅為交互捻。7.911組和13組異型股鋼絲繩為同向捻。13組鋼絲繩的內(nèi)層繩與外層繩捻向應(yīng)相反，且內(nèi)層繩為同向捻。8.如用戶對捻法無明確要求，則由

9、生產(chǎn)廠自行決定。表7-173鋼絲繩第1組6×7類的力學(xué)性能直徑236mm                          直徑1436mm鋼絲繩結(jié)構(gòu)：6× 7+FC   6×7+IWS   6×9W+FC   6×9W+IWR 

10、 力學(xué)性能鋼絲繩公稱直徑鋼絲繩近似質(zhì)量鋼絲繩公稱抗拉強(qiáng)度/MPa14701570167017701870鋼絲繩最小破斷拉力d允許偏差天然纖維芯鋼絲繩合成纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩 (%)kg/100mkN2+8O1.41.381.551.952.112.082.252.212.392.352.542.482.68.33.163.13.484.394.744.695.074.985.395.285.715.586 044+7O5.625.56.197.88.448.339.O18.

11、879.599.41O.109.9310.758.778.69.6812.213.1131413.814.914.615.815.516.76+6012.612.413.917.518.918.720.219.921.521.122.822.324.1717.216.91923.925.825.527.627.129.328.731.130.432.8822.52224.831.233.733.33635.438.337.640.639.742.9928.427.931.339.542.742.245.644.948.547.551.450.254.31035.134.438.748.852.

12、752.156.355.459.958.763.56267.11142.541.646.85963.86368.167.0072.571.176.875.181.21250.549.555.770.275.97581.179.886.384.691.589.496.61359.358.165.482.489.18895.293.710199.31071041131468.867.475.995.61031021101081171151241211311689.988.199.112413513314414115315016215817118114111125158.00170168182179

13、.0019419020520121720140138155195211208225221.00239235254248268.0022170166187236.00255252272.00268290284307300324.0024202.00198.002232813033003243193453383663573862623723326232935635238137440539742941945328275270303382413408441.00434470460498486526-30316310348439474.00469507.00498.0053952857155860432

14、359352396499540.00533577567613601650635687-34406398447564610602651640693679734717.00776.0036455446502632683675730718776761823804870注：1.最小鋼絲破斷拉力總和=鋼絲繩最小破斷拉力×1.134(纖維芯)或1.214(鋼芯)。2.新設(shè)計(jì)設(shè)備不得選用括號內(nèi)的鋼絲繩直徑。表7-174鋼絲繩第2組6×19(a)類的力學(xué)性能6 ×19S+FC         

15、0;     6×19S+IWR            6×19W+FC             6×19W+IWR直徑636mm              直

16、徑1136mm          直徑640mm           直徑1140mm鋼絲繩結(jié)構(gòu)：6×19S+FC    6×19S+IWR    6×19W±FC    6×19W+IWR  力學(xué)性能鋼絲繩公稱直徑鋼絲繩近似質(zhì)量鋼絲繩公稱抗拉強(qiáng)度/MPa14

17、701570167017701870鋼絲繩最小破斷拉力d允許偏差天然纖維芯鋼絲繩合成纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩 (%)kg/100mKN6+6O13.31314.617.418.818.620.119.80.21.42122.622.20.23.9718.117.619.923.725.625.327.32729.128.630.830 2032.6823.62325.93133 4033.135.735.23837.340.339.442.6929.90.29.132.839.

18、242.341.945.244 6048.147.35149.953.91O36 903640.548.552.351.855.855.159.458.46361.766.5116044.643.549.158.663.362.667.666.671.970.676.274.680.51253.151.858.469.875.374.680.479.385.684.190.788.895.81362.360.868.581.988.487.594.493.110098.71061041121472.270.579.5951021011091081161141231201301694.492.1

19、104124133132143141152149161157170181191171311571691671811781921892041992152014714416219420920722322023723325224626622178174196234253250270266287282304298322242122072342793012983213173423363623553832624924327432735335037737240139442541745028289282318380410406438432466457494483521-30332324365436470466

20、50349553552556755559932377369415496535530572564608598645631681-3442641646956060459864663768767572871376936478466525628678671724714770756816799862-385325205857007557488077958588439098919614059057664977683782889488195193410009871060注：1.最小鋼絲破斷拉力總和=鋼絲繩最小破斷拉力×1.214(纖維芯)或1.308(鋼芯)。2.新設(shè)計(jì)設(shè)備不得選用括號內(nèi)的鋼絲繩直

21、徑。表7-175鋼絲繩第2組6x 19(b)類的力學(xué)性能6×19+FC                 6×19+IWS直徑346mm鋼絲繩結(jié)構(gòu)6×19+FC    6×19+IWS力學(xué)性能鋼絲繩公稱直徑鋼絲繩近似質(zhì)量鋼絲繩公稱抗拉強(qiáng)度/MPa14701570167017701870鋼絲繩最小破斷拉力d允許偏差天然纖維芯鋼絲繩合成纖維芯鋼絲繩鋼芯鋼絲繩纖維芯

22、鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩mm(%)kg/100mkN3+83.113.033.434.064.394.334.694.614.984.895.285.165.584+705.545.396.17.227.87.718.338.28.878.699.49.189.9358.658.429.5211.212.2121312.813.813.514.614.315.56+6O12.512.113.716.217.517.318.718.419.919.521.120.622.371716.518.722.123.923.

23、625.525.127.126.628.728.130.4822.121.624.428.831.230.833.332.835.434.737.636.739.792827.330.936.539.53942.241.544.94447.546.550.21O34.633.738.145.148.848.152.151.255.454.358.757.4621141.940.846.154.65958.363627665.771.169.475.11249.848.554.964.970.269.47573.879.878.284.682.689.41358.55764.476.282.481.48886.693.791.899.3971041467.866.174.788.495.694.4102