United States Standard: AASHTO M 306 Standard Specification for Drainage, Sewer, Utility, and Related Castings, with a 40,000-pound proof load
concentrated on a 9-inch-by-9-inch square area and held for one minute.
The proof load
of 140 kN amounted to between 58% and 97% of the observed failure load.
Tenders Are Invited for Annual Maintanance and Contract for Pm and Bd Maintenance and Proof Load
Testing of Eot Cranes in Factory for a Period of 2 Years.
Tenders are invited for Supply of Proof load
/ safe testing of 02 nos.
Contract Awarded for Multi-functional coordinate loading control system one set; Proof load
actuating mechanism one set; Laser wire stripping machine one set; Laser wire marking machine one set
Tenders are invited for 20 Mm Nominal Dia Dn 4 Legged Chain Sling With Hook Rach 3 Mtr Length Each Leg Capacity 5 Tons And Proof Load
10 Ton At 0 Degree And The Capacity Of The Assembled 4 Legs Is Swl 10.
Material: Open Hearth Steel Capable Of With Standing Proof Load
Of 109,000 Psi.
The Supply Shall Accompany With Proof Load
Certificate From Certified Test House With Applicable Charges
Instructions/Remarks: I Firm Should Produce Proof Load
4 Offer Should Submit Proof Load
Test Certificate From Govt.
454 Casull Super Redhawk has to withstand the rigors of firing proof loads
that boil up 40 percent more pressure, an overcharge of 70,000 psi in each cylinder, pushing a jacketed bullet out of the throat, into the forcing cone and through the rifling.