State Of The Art B500A/B500B/B500C Rebar

B500A grade steel is typically employed for steel mesh products, whereas B500B grade steel is utilized for steel bars. B500C steel is seldom necessary, and it is advisable for structural engineers to verify if B500B grade steel can be substituted for B500C, as B500C often entails a substantial cost overhead.

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B500A/B500B/B500C Rebar Description

Rebar, a commonly used type of steel in construction engineering, is primarily employed to reinforce concrete structures and enhance the load-bearing capacity and seismic performance of buildings. B500 rebar boasts a yield strength of 500MPa, offering high tensile and compressive strength. In addition to meeting strength requirements, B500 steel bars exhibit good ductility and toughness, ensuring that buildings have excellent plastic deformation and energy dissipation capabilities during stress. Furthermore, the high strength of B500 rebars enables buildings to reduce the use of steel bars, lower construction costs, and minimize environmental impact compared to traditional steel bars.

Product Parameters

Type	B500A	B500B	B500C
Area	Smooth, Pitted, Ribbed	Dents, Ribs	Ribbed
Delivery Form	Coil, Bar, Spot Welding Steel Mesh, Lattice Beam		Coil, Bar, Spot Welding Steel Mesh
Nominal Center Linemm	4-16	6-50	6-50
Min. Flow Rate/Yield Limit Re(Mpa)	500	500	500 Re,Actual value/Re,Nominal value<1.25
Min.Rm/Re Ratio	1.05a	1.05	1.15c；<1.35
Min. Maximum Load Elongation Agt%	3.0a,b	5.0b	7.5B, c
Min. Fatigue Strength 2σad(Mpa)	100	d≤ 28mm:175 d>28mm:145	d≤ 28mm:175 d>28mm:145
Tolerance Nominal Centerline %	/-4.5	/-4.5	/-4.5
Chemical Composition %	C<0.22 Ceq<0.50	C<0.22 Ceq<0.50	C<0.22 Ceq<0.50