SHANDONG JUHUO SPECIAL STEEL CO., LTD.
BS4449 Steel Reinforcement Rebar
The differences between the, B and C designations are complex and related to structural tolerances. For steel mesh products, B500A grade steel is usually used, and for steel bars, B500B grade steel is used. B500C steel is rarely required, and it is always worthwhile for structural engineers to check whether B500B grade steel can be used instead of B500C, because B500C usually has a significant cost overhead.
Category:
Steel Rebar
Keywords:
BS4449 Steel Reinforcement Rebar
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DETAILS DESCRIPTION
BS4449 Steel Reinforcement Rebar Description
BS4449 is yet another deformed steel bar standard. It is also differentiated as per European standards. When it comes to manufacturing, the steel bars falling in this standard are also hot rolled, which means that they are also used for general purposes, i.e. in common construction projects. These deformed bars are also available between 12 mm to 30 mm diameter size. And the common lengths that they are available in are 9 m and 12 m. Though, it might vary highly.
| BS 4449:97 British Rebar Specifications | |||||||||||||||
| Rated Diameter |
Nominal Cross Section Area | Weight | EN To The Ribs (mm) | Longitudinal Ribs (mm) | Pitch / Step mm |
Ribs Tip Distance mm |
|||||||||
| Kg / m |
Tolerance % |
Height | Width | Height | Width | ||||||||||
| mm | m㎡ | min. | max. | min. | max. | min. | max. | min. | max. | min. | max. | min. | max. | ||
| 6 | 28.3 | 0.222 | ± 9 | 0.3 | 0.6 | 0.48 | 0.72 | 0.3 | 0.84 | 0.48 | 1.2 | 3,.0 | 4.8 | 1.5 | 2.3 |
| 8 | 50.3 | 0.395 | ± 6.5 | 0.4 | 0.8 | 0.64 | 0.96 | 0.4 | 0.84 | 0.64 | 1.6 | 4.0 | 6.4 | 2.0 | 3.1 |
| 10 | 78.5 | 0.616 | 0.5 | 1.0 | 0.8 | 1.2 | 0.5 | 0.84 | 0.8 | 2.0 | 5.0 | 8.0 | 2.5 | 3.9 | |
| 12 | 113.1 | 0.888 | ± 4.5 | 0.6 | 1.2 | 0.96 | 1.44 | 0.6 | 0.84 | 0.96 | 2.4 | 6.0 | 9.6 | 3.0 | 4.7 |
| 16 | 201.1 | 1.579 | 0.8 | 1.6 | 1.28 | 1.92 | 0.8 | 0.84 | 1.28 | 3.2 | 8.0 | 12.8 | 4.0 | 6.2 | |
| 20 | 314.2 | 2.466 | 1.0 | 2.0 | 1.6 | 2.4 | 1.0 | 0.84 | 1.6 | 4.0 | 10.0 | 16.0 | 5.0 | 7.8 | |
| 25 | 490.9 | 3.854 | 1.25 | 2.5 | 2.0 | 3.0 | 1.25 | 0.84 | 2.0 | 5.0 | 12.5 | 20.0 | 6.2 | 9.8 | |
| 32 | 804.2 | 6.313 | 1.60 | 3.2 | 2.56 | 3.84 | 1.60 | 0.84 | 2.56 | 6.4 | 16.0 | 25.6 | 8.0 | 12.5 | |
| 40 | 1256.6 | 9.864 | 2.0 | 4.0 | 3.2 | 4.8 | 2.0 | 0.84 | 3.2 | 8.0 | 20.0 | 32.0 | 10.0 | 15.7 | |
| 50 | 1963.5 | 15.413 | 2.5 | 5.0 | 4.0 | 6.0 | 2.5 | 0.84 | 4.0 | 10.0 | 25.0 | 40.0 | 12.5 | 19.6 | |
| BS 4449:97 Steel Rebar Mechanical Properties | ||||
| Quality |
Akma N / mm2< | Akma / Pull Rate N/mm2 | Elongation Elasticity | Total max. % AGT |
| min. | min. | min. | min. | |
| GR 250 | 250 | Akma x 1.15 | 22 | – |
| GR 460 A | 460 | Akma x 1.05 | 12 | 2.5 |
| GR 460 B | 460 | Akma x 1.08 | 14 | 5 |
| BS 4449:97 Steel Rebar Chemical Properties | |||||
| Element | GR 250 % max. | GR 460 A / B % max. | Ribs and Marking Method | ||
| Casting | Product | Casting | Product |  |
|
| C | 0.25 | 0.27 | 0.25 | 0.27 | |
| P | 0.060 | 0.065 | 0.050 | 0.055 | |
| S | 0.060 | 0.065 | 0.050 | 0.055 | |
| N | 0.012 | 0.013 | 0.012 | 0.013 | |
| CE | 0.42 | 0.45 | 0.51 | 0.54 | |
| Mn Cr+Mo+V Ni+Cu | |||||
| CE = C + ————- + ——————- + —————– | |||||
| 6 5 15 | |||||
Scope of Application
Widely used in houses, bridges, roads, especially railways and other civil engineering.
PACKING AND DELIVERY
Packing and delivery
The company has strong strength and has a professional and technical teamwith excellent technology and rich experience.The company has also introduced advanced production equipment andprocessing technology, which can provide customers with steel products ofvarious specifications and processing requirements. At the same time, thecompany has also established a complete after-sales service system to providecustomers with first-class services.
FACTORY APPEARANCE
Shandong Juhuo Special Steel Co., Ltd. is a comprehensive enterpriseintegrating steel supply and processing. The company has a large inventory ofvarious metal materials such as stainless steel, galvanized, profiles, aluminum.copper, lead, etc, which can meet the needs of customers in different fields.
APPLICATION AREAS
The company has strong strength and has a professional and technical teamwith excellent technology and rich experience.The company has also introduced advanced production equipment andprocessing technology, which can provide customers with steel products ofvarious specifications and processing requirements.
CUSTOMER VISIT
FAQ
Do you provide samples Is it free or extra?
A: Yes, we could offer free samples.
What certifications do your products have?
A: We have ISO 9001, SGS, EWC and other certifications.
What is the delivery time?
A: 10-15 days
What is your MOQ?
A: We will provide Original Mill Usually 25 tonnes, but it can be adjusted according to your needs and the actual situation of the inventory.
Once the products received by customer were found not comply with the products or contract demands, what will you do?
A: We will compensate the customer for all the loss without any hesitation.
What kind of payment terms would you accept?
A: We always do T/T.30% T/T as deposit,70% T/T as balance.
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