EN 15048-1(全套螺栓組件(jiàn))

PRODUCTS：Non-preloaded structural bolting assem∞₹¥blies

Bolts grade: 8.8 &nb®βsp;10.9

Nuts grade: 8  10×←÷₽

Washer hardness clas•Ωε•s: HV100, HV200, HV300α®₹δ

Thread size: M20-M72

Mechanical Properties meet<×≠ ISO898-1, CL 8.8 10.9 

Elongation after fracγ≤ture  

Minimum tensile strength

Lower yield strength or stress ↓λar 0.2% non-proportional elongation

Stress under proof load

Strength under wedge loading

Hardness

Impact strength Kv， min at -20℃

Quality management syst₽≥↓ems: ISO9001