螺栓擰緊力矩及標(biāo)準(zhǔn)

1、19螺栓擰緊力矩標(biāo)準(zhǔn)M6~M24螺釘或螺母的擰緊力矩（操作者參考）螺紋公稱直徑尺寸dmm施加在扳手上的擰緊力矩MN.m施力操作要領(lǐng)螺紋公稱直徑尺寸dmm施加在扳手上的擰緊力矩MN.m施力操作要領(lǐng)M6M8M10M123.58.316.428.5只加腕力加腕力、肘力加全身臂力加上半身力M16M20M2471137235加全身力壓上全身重量壓上全身重量未注明擰緊力矩要求時(shí)，參考下表(普通螺栓擰緊力矩)螺栓公稱直徑mm6810121416182

2、0螺栓強(qiáng)度級屈服強(qiáng)度Nmm2擰緊力矩N.m4.65.66.88.810.912.924030048064090010804557799121316162110121215172322303036385120252532334545596578751003645455558787810411013013117555707090931241241651802012092789011011014014519319325728033032643

3、4120150150190199264264354380450448597170210210270282376376502540650635847未注明擰緊力矩要求時(shí)，參考下表(普通螺栓擰緊力矩)螺栓公稱直徑mm22242730333639螺栓強(qiáng)度級屈服強(qiáng)度Nmm2擰緊力矩N.m4.65.66.88.810.912.9240300480640900108023029029035038451251268374088086411523003

4、7737045048865065186894011201098146445053055070071495295212691400165016062142540680680850969129312931723170020002181290867088082511001319175917592345247332982968395890011001120140016942259225930122800335038125082928123711

5、6015461559207929233898411154814933657739★對于設(shè)計(jì)圖紙有明確力矩要求的，應(yīng)按圖紙要求執(zhí)行。套管螺母緊固力矩QSTBB078331998材料HPb633Y2尺寸代號0410（M101）0614（M141）0817（M181）緊固力矩Nm3.144.906.8613.76.869.81直通式壓注油杯QSTBB070201998（螺紋M6、M81、M101）緊固力矩：0.30.5Kg.m。安全閥QSTB

6、B070291998（螺紋R18）緊固力矩：2.94.9Nm。通氣塞QSTBB070301998（螺紋R14）緊固力矩：2.945.88Nm。螺塞QSTBB070401998（公稱直徑0810螺距1.25，1236螺距1.5）公稱代號0810121416182024303336擰緊5.98.89.812.714.719.619.624.524.534.334.344.144.153.958.878.493.1122.5107.9147.