資源描述：
《網(wǎng)架螺栓標(biāo)準(zhǔn)》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫(kù)。
1、1產(chǎn)品型號(hào)、規(guī)格、性能等級(jí)和選用材料型號(hào)??GB/T16939-1997螺紋規(guī)格dM12~M24M27~M36M39~M64性能等級(jí)10.9S10.9S9.8S選用材料20MnTiB35VB40Cr?2機(jī)械性能材料試件機(jī)械性能性能等級(jí)抗拉力強(qiáng)度σbMPa屈服度σ0.2MPa伸長(zhǎng)率δ5%收縮率ψ%min10.9S1040~124094010429.8S900~1100720硬度性能等級(jí)適用規(guī)格硬度類型洛氏硬度HRCminmax9.8S?≥M52常規(guī)3237芯部≥28實(shí)物拉力載荷螺紋規(guī)格dM12M14M16M20M
2、22M24M27應(yīng)力截面積mm284.3115157245303353459拉力載荷KN88~105120~143163~195255~304315~376367~438477~569螺紋規(guī)格dM30M33M36M39M42M45M48應(yīng)力截面積mm2561694817976112013101470拉力載荷KN583~696722~861850~1013878~10741008~12321179~14411323~1617?3GB/T16939-1997網(wǎng)架螺栓型式尺寸?螺紋規(guī)格dM12M14M16M20M22
3、M24M27M30M33M36M39M42M45M48M52M56M60M64?螺距P1.75222.52.5333.53.5444.54.555444?bmax18.52124303236394447525559646872747882min151720252730333740444750555862667074?dkmax1821243034364146505560657075809095100min17.3820.3823.3829.3833.3835.3840.3845.3849.3854.2659.2
4、664.2669.2674.2679.2689.1394.1399.13ds?max12.3514.3516.3520.4222.4224.4227.4230.4233.5036.5039.5042.5045.5048.5052.6056.6060.6064.60min11.6513.6515.6519.5821.5823.5826.5829.5832.5035.5038.5041.5044.5047.5051.4055.4059.4063.40?Kmax7.158.2510.7513.414.915.917.
5、919.7522.0523.5526.0527.0529.0531.0534.2536.2539.2541.25min5.656.759.2511.613.114.116.117.6519.9521.4523.9524.9526.9528.9531.7533.7536.7538.75rmin??0.8??1.0???1.5????2.0??2.5damax15.2017.2919.2024.4026.4028.4032.4035.4038.4042.4045.4048.6052.6056.6062.6067.0
6、071.0075.00??L公稱5054627375829098101125128136145148162172196205max50.8054.9562.9573.9575.9583.191.199.1102.1126.25129.25137.25146.25149.25163.25173.25197.25206.45min49.2053.0561.0572.0574.0580.988.996.999.9123.75126.75134.75143.75146.75160.75170.75194.55203.5
7、5L1?1822??24??28??43??48?5358?L2?1013?161820?24?26??303842?57?L3?????????????????4?n??3??5??6????????8t12.5345t222.534
