Astm A416 Low Relaxation 12.7mm High Carbon Prestressed Steel Strand
AISI, ASTM, BS, DIN, GB, JIS
Place of Origin:
Tianjin, China (Mainland)
Alloy Or Not:
Cold Heading Steel
astm a416 low relaxation 12.7mm high carbon prestressed steel strand
ASTM A416, BS5896, EN10138
step 1: Coils are wrapped by 8 steel strips;
step 2: Wrapped by waterproof cloth;
step 3: Wrapped by 8 steel strips (6+2) ;
step 4: Added with wood pallet.
Inspection on wire rod→Surface treatment of wire rod→Wire drawing→Inspection on semi-product→Twisting & stabilizing treatment→Winding→Inspection on finished products→Packing→Stored in warehouse
Shipping: the coil weight is around 2.5-3.5 tons if no special requirement, one full 20ft container is able to load 27 tons, therefore there are 8-10 coils in each container.
|Grade||Nominal Diameter||Tolerance||Section Area||Mass Per 1m||Breaking Load||Min. Load at 1% Extension||(L0>=500mm)Elongation Max Load Not less than||The Relaxation at 1000 Hours (r/%)|
Both ends of one pc strand coil shall be inspected through stress relaxation test,
tension test, hydraulic universal test, bending test and boroscope test, etc.