This standard specifies the conditions and requirements for the strength test of No. 50 and No. 90 draw pins. This standard applies to No. 50 and No. 90 traction pins that comply with the provisions of GB/T 4606 and GB/T 4607.
GB/T 15088-2009 Referenced Document
GB/T 3730.2 Road vehicle--Masses--Vocabulary and codes