Rebar

Rebar is a steel rod integral to modern construction, significantly reinforcing concrete against tensile and rotational forces. Its use allows for thinner, more cost-effective concrete layers, enhancing structural integrity. Ribbed rebar, common in construction, ensures stronger bonding with concrete and reduces damage risks. Originating in the 1800s, rebar's role has evolved, becoming crucial for earthquake-resistant structures. Its implementation in construction not only strengthens but also simplifies building processes, making it a cost-effective, essential material in the building industry.

Standard GOST 5781

Grade	Standard	C	Mn	Si	P	S
A400(A3)	DIN 488 GOST 5781	Max 0.37%	Max 1.6%	Max 0.60%	Max 0.045%	Max 0.045%
A500(A4)	DIN 488 GOST 5781	Max 0.32%	Max 1.8%	Max 0.55%	Max 0.040%	Max 0.040%
A500C	GOST 34028	0.24%	0.35 - 0.45%	0.15% Max	0.025% Max	0.02% Max
B500B	EN10080	Max 0.22%	0.60-0.80%	Max 0.30%	Max 0.050%	Max 0.050%

Grade	Yield Strength	Tensile Strength	Relative Elongation	Ratio of Final Tensile/Yield Strength
A400(A3)	400 MPa Min	600 MPa Min	16%	1.25
A500(A4)	500 MPa Min	650 MPa Min	10%	1.25
A500C	500 MPa Min	600 MPa Max	14%	1.08
B500B	500 MPa Min	600 MPa Min	Min 15%	Min 1.08
Size: 8-10-12-14-16-18-20-22-25-28-32 Packing: Bundle

Grade	Standard	C	Mn	Si	P	S
A400(A3)	DIN 488 GOST 5781	Max 0.37%	Max 1.6%	Max 0.60%	Max 0.045%	Max 0.045%
A500(A4)	DIN 488 GOST 5781	Max 0.32%	Max 1.8%	Max 0.55%	Max 0.040%	Max 0.040%
A500C	GOST 34028	0.24%	0.35 - 0.45%	0.15% Max	0.025% Max	0.02% Max
B500B	EN10080	Max 0.22%	0.60-0.80%	Max 0.30%	Max 0.050%	Max 0.050%

Grade	Yield Strength	Tensile Strength	Relative Elongation	Ratio of Final Tensile/Yield Strength
A400(A3)	400 MPa Min	600 MPa Min	16%	1.25
A500(A4)	500 MPa Min	650 MPa Min	10%	1.25
A500C	500 MPa Min	600 MPa Max	14%	1.08
B500B	500 MPa Min	600 MPa Min	Min 15%	Min 1.08
Size: 8-10-12-14-16-18-20-22-25-28-32 Packing: Bundle