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  • HPB300/HRB335/HRB400/HRB500 Reinforcement
  • HPB300/HRB335/HRB400/HRB500 Reinforcement
  • HPB300/HRB335/HRB400/HRB500 Reinforcement
  • HPB300/HRB335/HRB400/HRB500 Reinforcement

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HPB300/HRB335/HRB400/HRB500 Reinforcement
According to the production process, there are hot rolled steel bars (H) and cold rolled steel bars (C). Hot-rolled steel bars are divided into smooth round steel bars (HPB300) and ribbed steel bars. The common brands of hot rolled ribbed steel bars are HRB400, HRBF400, HRB400E, HRBF400E, HRB500, HRBF500, HRB500E and HRB600. HPB300 (Grade I) is a common steel bar with a diameter of 6-12mm, commonly used in the production of stirrup, wall reinforcement, etc.
HRB335 (Grade II) is a threaded steel with a diameter of 12-25mm, commonly used in bridges, dams, houses and other large and medium-sized concrete structures in the beam, column, shear wall. HRB400 (Grade III) is similar to HRB 335, but is stronger and more expensive. It is often used in special buildings such as villas. HRB500 (Grade IV) is widely used in large prestressed buildings, such as roofs, crane beams, etc.

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Mechnical Properties of Steel Rebars
StandardGradeNominal Diameter mmYield Strength MPa (min.)Tensile Strength MPa (min.)Tensile to Yield Ratio (min.)Elongation in 200mm (min.)Elongation (A5) (min.)Agt % (min.)
SASO ASTM A615M 280(40) 12 280 420 N/A 12 N/A N/A 

280(40) 14 - 18 280 420 N/A 12 N/A N/A 

420(60) 12 - 20 420 620 N/A 9 N/A N/A 

420(60) 25 420 620 N/A 8 N/A N/A 

420(60) 32 - 40 420 620 N/A 7 N/A N/A 

520(75) 12 - 25 520 690 N/A 7 N/A N/A 

520(75) 32 - 40 520 690 N/A 6 N/A N/A 
SASO ASTM A706M 420(60) 12 - 20 420-540 550 1.25 14 N/A N/A 

420(60) 25 - 36 420-540 550 1.25 12 N/A N/A 

420(60) 40 420-540 550 1.25 10 N/A N/A 
BS 4449 460 B 12 - 40 460 N/A 1.08 N/A 14 5 
BS 4449 B500B 12 - 32 500 N/A 1.08 N/A N/A 5 
GCC Standard GS06/IS0 6935-2 B400BR 12 - 40 400 N/A 1.08 N/A 14 5 

B400BWR 12 - 40 400 N/A 1.08 N/A 14 5 

B500BR 12 - 32 500 N/A 1.08 N/A 14 5 

B500BWR 12 - 32 500 N/A 1.08 N/A 14 5 
Chemical composition of Steel Rebars








StandardGradeChemical composition % (maximum)








C Si Mn S P N Cu C.E.V 
SASO ASTM A615M 280/420/520 (40/60/75) ... ... ... ... 0.06 ... ... ... 
SASO ASTM A706M 420(60) 0.3 0.50 1.5 0.045 0.035 ... ... 0.55 
BS 4449 460 B 0.25 ... ... 0.05 0.05 0.012 ... 0.51 
BS 4449 B500B 0.22 ... ... 0.05 0.05 ... 0.80 0.50 
GCC Standard GS06/IS0 6935-2  B400BR / B500BR ... ... ... 0.06 0.06 ... ... ... 

B400BWR / B500BWR 0.22 0.60 1.60 0.05 0.05 0.012 ... 0.50 
Linear Mass and Number of Bars In Bundles
Diameter (mm)Nominal linear mass kg/mTolerance in linear mass (maximum)Tolerance in linear mass (maximum)Tolerance in linear mass (maximum)Number of 12 mlong bars in a bundle of nominal weight of 2 tons.


ASTM A615 BS 4449:2005 GCC Standard GS06/ISO 6935-2/2007 
12 0.888 –6% ±4.5% ±6% 188 
14 1.210 –6% ±4.5% ±5% 138 
16 1.580 –6% ±4.5% ±5% 105 
18 2.000 –6% ±4.5% ±5% 84 
20 2.470 –6% ±4.5% ±5% 68 
22 2.980 –6% ±4.5% ±4% 56 
25 3.850 –6% ±4.5% ±4% 44 
28 4.830 –6% ±4.5% ±4% 34 
32 6.310 –6% ±4.5% ±4% 26 
36 7.990 –6% ±4.5% ±4% 21 
40 9.870 –6% ±4.5% ±4% 17 


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Steel rebar05.jpg

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Pre-sale Service
1.We provide samples free of charge, but the freight should be paid by the buyer.
2. We have full stock,and can deliver within short time.Many styles for your choices. 
3. OEM and ODM order are accepted, Any kind of logo printing or design are available.
4. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.
5. All of our products are produce by our professional workman and we have our high-work-effect
foreign trade team, you can totally believe our service. 
After you choose
1. We will count cheapest shipping cost and make invoice to you at once.
2. Check quality again, then send out to you at 1-2 working day after your payment,
3. Email you the tracking no, and help to chase the parcels until it arrive you.
After-sale choose
1. We are very glad that customer give us some suggestion for price and products.
2. If any question,please contact with us freely by E-mail or Telephone.
 

FAQ

Q1:Can you send samples?
A:Of course, we can provide customers with free samples and express shipping service to all over of the world.
Q2:What product information do I need to provide?
A:Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase. 
Q3:It's my first time to import steel products, can you help me with it?
A:Sure,we have agent to arrange the shipment, we will do it together with you.
Q4:What ports of shipment are there?
A:Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can specify other ports according to your needs. 
Q5:What about product prices information?
A:Prices various according to periodic price changes of raw materials. 
Q6:What is your terms of payment ?
A:Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment or based on BL copy or LC at sight.
Q7.Do you provide custom made Products service?
A: Yes,if you have your own design , we can produce according to your specification and drawing.
Q8:What are the certifications for your products?
A:We have ISO 9001, MTC, third parties’ inspections are all available such SGS, BV ect.
 

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