HPB300/HRB335/HRB400/HRB500 Reinforcement

B1499.2-2007 is a European standard for steel bars. Typically, GB1499.2-2007 standard deformed steel bars are produced using the hot-rolled method, making them the most prevalent type of deformed steel bars. These bars are offered in various lengths and sizes, ranging from 6 mm to 50 mm in diameter.

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HPB300/HRB335/HRB400/HRB500 Reinforcement Description

Based on the production process, steel bars are categorized as hot rolled (H) and cold rolled ©. Hot-rolled steel bars include smooth round steel bars (HPB300) and ribbed steel bars. Common brands of hot rolled ribbed steel bars encompass HRB400, HRBF400, HRB400E, HRBF400E, HRB500, HRBF500, HRB500E, and HRB600. HPB300 (Grade I) is a prevalent steel bar with a diameter of 6-12mm, commonly utilized in the production of stirrups, wall reinforcement, and similar applications. HRB335 (Grade II) is a threaded steel with a diameter of 12-25mm, frequently employed in bridges, dams, houses, and other large and medium-sized concrete structures for beams, columns, and shear walls. HRB400 (Grade III) shares similarities with HRB335 but is stronger and more costly, often used in special buildings such as villas. HRB500 (Grade IV) finds widespread use in large prestressed buildings, including roofs, crane beams, and more.

Product Parameters

Product Name	HPB300/HRB335/HRB400/HRB500 Reinforcement
Standard	EN/DIN/JIS/ASTM/BS/ASME/AISI, etc.
Common Round Bar Specifications	3.0-50.8 mm, Over 50.8-300mm
Flat Steel Common Specifications	6.35x12.7mm, 6.35x25.4mm, 12.7x25.4mm
Hexagon Bar Common Specifications	AF5.8mm-17mm
Square Bar Common Specifications	AF2mm-14mm, AF6.35mm, 9.5mm, 12.7mm, 15.98mm, 19.0mm, 25.4mm
Length	1-6meters, Size Accept Custom
Diameter(mm)	Hot Rolling Round Bar	25-600	Cold Rolling Square Bar	6-50.8
	Hot Rolling Square Bar	21-54	Cold Rolling Hexagon Bar	9.5-65
	Cold Rolling Round bar	6-101.6	Forged Rebar	200-1000
Surface Process	Bright, Polished, Black
Other Services	Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.
Scope of Application	Widely used in houses, bridges, roads, especially railways and other civil engineering.

Chemical Composition

Carbon	Silicon	Manganese	Sulphur	Phosphorus
0.25%	0.80%	1.6%	0.045%	0.045%

Mechanical Properties

Chinese Rebar Code	Yield Strength (Mpa）	Tensile Strength (Mpa）	Carbon Content
HRB400, HRBF400, HRB400E, HRBF400E	400	540	≤0.25
HRB500, HRBF500, HRB500E, HRBF500E	500	630	≤0.25
HRB600	600	730	≤ 0.28