Comparison between Rebar Products

**Comparison of Corrosion Resistent and Scratch Resistent Rebar**
Types of rebar	Times more corrosion resistance than black rebar	Scratch resistance	Chloride threshold	Price ranking
Black rebar	X	Tough enough, difficult to damage	Very high	No.1 lowest
Epoxy coated rebar	65X to 1762X	Easily damaged, require protection and repairs	Same as black rebars, very high	No.2
Galvanized rebar	38X	Tough enough	4 to 10 times higher than black rebars	No.3
Stainless steel rebar	800X to 1500X	Tough enough, difficult to damage	15 to 24 times higher than black rebars	No.4 highest

**Comparison of Cutting and Bending Rebar**
Type of rebars	Cutting	Bending
Black rebar	Available Using normal cutting tools, such as saws, shears, bolt cutters and flame.	Available
Epoxy coated rebar	Available Using abrasive cut off saw or power shears. Avoid flame cutting. All cut surfaces should be repaired.	Available May damage coating. When damages occurs, neoprene or other synthetic material should be used to repair.
Galvanized rebar	Available Using normal cutting tools, such as saws, shears, bolt cutters and flame All cut surfaces should be repaired	Pre-galvanized reinforcing bars are available. The rebars are galvanized after fabrication should avoid bending
Stainless steel rebar	Available Using normal cutting tools, such as saws, shears, bolt cutters and flame. Grinding tools and cutoff discs should be used only for the stainless steel rebar to avoid contamination. Water cooling may be used to avoid thermal oxidation when cutting.	Available but not recommended Bending tools or machines should be used only for the stainless steel rebar to avoid contamination.

**Comparison of Welding and Cleaning Rebar**
Types of rebar	welding	cleaning
Black rebar	Not all black rebar can be welded Material with a carbon-equivalent of less than 0.55 can be welded (AWS D1.4). Grade W (Low-allay, ASTM A707) can be welded.	Using low-pressure water spray.
Epoxy coated rebar	Available May require preheating. The welding area should be repaired if damage of the surface occurs. Tack welding is not permitted.	Using low-pressure water spray. Make sure t to keep the surface of the epoxy coating free of damage.
Galvanized rebar	Available Zinc coating of the intended weld zone should be removed at least one inch by grinding or equivalent means. Zinc coating of weld zone should be repaired after welding. Make sure proper ventilation when welding. Tack welding is not permitted.	Using low-pressure water spray. Make sure t to keep the surface of the zinc coating free of damage.
Stainless steel rebar	Available Preheating should not be used to avoid deterioration of the properties of the stainless steel. Before welding, dirt, grease, and oil should be removed. Can be welded with carbon steel., but the coating of carbon rebar should be removed before welding, and the coating should be repaired after welding. Tack welding is not permitted.	Cleaned with mild soap, degreaser, and/or water if it is in the pickled condition. Using stainless steel brushes or commercial pickling paste to remove weld oxide and contamination.

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Anping County Wennian Wire Mesh Products Co., Ltd.
E-mail: sales@wnmesh.com

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