R-193 B-7 4140 High Strength Anchor Bolts

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MATERIAL SPECIFICATIONS

• ALL BOLTS MACHINED FROM HIGH STRENGTH CHROMIUM MOLYBDENUM ALLOY STEEL (AISI 4140 TYPICALLY) WITH A MINIMUM TENSILE STRENGTH OF 125,000PSI AND ROLLED THREADS – ALL OF THE ABOVE PER ASTM A193
• 2H HEAVY HEX NUT PER ASTM 194

ENGINEERING SPECIFICATIONS

• 8 TPI PER ASTM A193
• TOP SECTION DESIGN LENGTH ALLOWS FOR 12 TIMES THE BOLT DIAMETER IN FREE STRETCH
• TOP SECTION HEAT TREATED PER ASTM A193, GR B-7
• FRANGIBLE SECTION SHAPED PER ASTM A370
• SHOT PEENED PER MIL SPEC S-13165-B AMENDMENT 2
• SELF-ALIGNING DOUBLE SPHERICAL WASHER MADE FROM 4140, THROUGH HARDENED TO THE REQUIREMENTS OF ASTM F-436
• PLASTIC GROUT SLEEVE PROVIDED
• CLASS 2B FIT EXTRA LONG COUPLING HEAT TREATED TO ROCKWELL C 24-29
• COUPLING THREAD ENGAGEMENT (TOP AND BOTTOM SECTIONS) IS 2” MINIMUM FOR 1.25” TO 2” DIAMETER BOLTS – TOP SECTION WILL HAVE ADDITIONAL ± .5” ENGAGEMENT TO ALLOW FOR TOP SECTION ELEVATION ADJUSTMENT
• 2H HEAVY HEX COUPLING LOCK NUT
• COUPLING AND COUPLING LOCK NUT WILL HAVE A THREAD ADHESIVE APPLIED BEFORE TIGHTENING
• BOTTOM SECTION IS B7 ALL THREAD – DESIGN LENGTH PER ACI 439
• BOTTOM PLATE, IF USED, SECURED WITH A 2H NUT THREADS BELOW 2H NUT ARE DEFORMED OR SPOT WELDED TO PREVENT LOOSENING

OPTIONAL

• EXTRA 2H NUT PROVIDED THAT CAN BE WELDED TO REBAR CAGE TO SECURE BOLT LOCATION/ELEVATION

QUALITY CONTROL REQUIREMENTS

• ALL BOLTS CHECKED WITH A CALIBRATED RING GAGE
• ALL COUPLINGS CHECKED WITH A CALIBRATED GO/NO GO GAGES FOR A CLASS 2B FIT
• ALL THREADS VISUALLY INSPECTED FOR DELAMINATION FROM ROLLING PROCESS
• ALL BOLTS AND COUPLINGS WILL HAVE A STAMPED SERIAL NUMBER – TRACEABLE BACK TO ORIGINAL MILL RUN OF THE BAR STOCK. MTR’S KEPT FOR ALL BOLTS.
• ALL THREADS INSPECTED FOR BURRS OR DEFORMATIONS TO ENSURE THAT NUTS ARE FREE TURNING – ALL BURRS REMOVED BEFORE SHOT PEENING OPERATION
• ALL BOLTS WILL BE PROTECTED WITH A POLYNET WEBBING TO PROTECT THE THREADS DURING SHIPPING
• ALL BOLTS WILL BE PROTECTED FROM CORROSION WITH AN ANTI-RUST LUBRICANT THAT MEETS ASTM D-1735-62 AND ASTM B-117-73
• BOTTOM NUT OR PLATE, IF USED, LOCK NUT THREAD DEFORMATION OR SPOT WELD CHECKED TO ENSURE THE NUT CANNOT LOOSEN
• ALL GREASE WILL BE REMOVED FROM THE BOLT AND COUPLING IN THE AREA WHERE THE TREAD ADHESIVE IS TO BE APPLIED

LOAD MONITOR SPECIFICATIONS

• ± 5% REPEATABLE ACCURACY
• WITHSTAND 1500 HRS OF CONTINUOUS SALT SPRAY
• THE LOAD SETTING FOR ALL BOLTS IS CHECKED BY A HYDRAULIC TENSIONER TO ENSURE THE LOAD SETTING IS ACCURATE
• LOAD INDICATOR DOES NOT REQUIRE VISUAL INSPECTION TO DETERMINE ANCHOR BOLT TORQUE
• GAGE PIN MADE FROM 12.9 CARBON STEEL TO BS 3692
• WITHSTAND OPERATING TEMPERATURES OF 350°F OR 180°C
• SPECIAL ORDER HIGH TEMPERATURES (UP TO 1100°F OR 600°C) APPLICATIONS
• ANHYDROUS HIGH MELT CALCIUM BASE GREASE TO MILG- 10924C AND NATO G403 AS CORROSION PROTECTION

R-193 High Strength Anchor Bolts PDF

Clamping Force PDF