Reinforcement steel 12 mm – Reinforced steel bar Ø 12 mm B500B

Reinforcing steel 12 mmBuy from us as a ribbed reinforcement bar of the B500B quality according to DIN 488 – cut, bent or delivered as a bar, throughout Germany. The nominal diameter of 12 mm is one of the common diameters in reinforced concrete construction and is typically used for ceilings, supports, beams, floor slabs. On this page you will find all technical data for reinforcement steel 12 mm: cross-section, weight per meter, bending roller diameter, standards, applications and ordering instructions.

Reinforcement steel 12 mm – technical data at a glance

The concrete bar with a nominal diameter of 12 mm is standardized according to DIN 488. The most important parameters for planning, calculation and ordering:

Calculate weight of rebar 12 mm

The weight of concrete bars depends solely on the diameter and can be used with the formulakg/m = d² × 0.00617calculate. For the diameter 12 mm: 12² × 0.00617 =0.888 kg/m. A 12 m long bar rebar 12 mm weighs around 10.7 kg, and one ton corresponds to about 1126 meters. The full derivation can be found in the articleCalculate reinforcement weight per meter.

• per meter:0.888 kg
• Per 6 m pole:5.33 kg
• Per 12 m rod:10.66 kg
• meters per ton:approx. 1126 m

Reinforcement steel 12 mm according to DIN 488 – standard and marking

Reinforced bar 12 mm is manufactured according to the DIN 488 product standard. The standard regulates steel grade, ribbed, dimensional tolerances, mechanical properties and marking. The B500B grade steel we have supplied has a characteristic yield point of 500 N/mm² and a high deformation capacity (ductivity class B), which is important for the announcement of failure in the case of load-bearing components. Each staff carries a rolled-in marker that encrypts the manufacturer’s works and the country of origin, as well as a valid certificate of conformity. Details of the standard are explained by the guideReinforced steel according to DIN 488 – standards explained.

• Steel grade:B500B according to DIN 488
• yield point:500 N/mm²
• ductility:High Ductile (Class B)
• Rib:Standardized for composite with concrete
• proof:Work certificate / proof of conformity

Reinforcement steel applications 12 mm

The diameter of 12 mm is mainly used in reinforced concrete construction for ceilings, supports, beams, floor slabs. The choice of the correct diameter results from the static calculation of the structure. Typical areas of application:

• Load-bearing reinforcement in ceilings, walls and floor slabs
• Longitudinal reinforcement in supports and beams
• Foundations and Strip Foundations
• Ring anchors and falls

For the right application, we supply the steel straight cut or as a curved bending form according to your reinforcement list. Our site offers an overview of the entire rangereinforcing steel.

Bending and cutting reinforcement steel 12 mm

Concrete bar 12 mm can be bent according to DIN 488 if the minimum bending roller diameter is observed. For 12 mm, this is 7 d to avoid damage to the steel and cracking. We manufacture brackets, bends, hooks and complex bending shapes according to your bending list and deliver accurately positioned commissioned to the construction site. This eliminates bending and cutting on site and the assembly time is significantly reduced. All services can be found atBending & Cutting.

Concrete cover and laying

To ensure that reinforcement steel is permanently protected against corrosion 12 mm, the concrete cover according to Eurocode 2 (DIN EN 1992-1-1) must be observed. It is made up of the minimum C_minand a precaution Δc_dev(usually 10-15 mm) and depends on the exposure class of the component. When laying, spacers ensure the planned position of the reinforcement; Shocks are executed over the required overlap length. Binding wire fixes the rods in the formwork.

Quality, test certificate and traceability

Our 12 mm reinforcement steel is supplied with a valid work certificate (acceptance test certificate 3.1), which proves the mechanical and technological properties as well as the traceability via batch and melting number. This gives you standard-compliant, testable reinforcement steel, which meets the requirements of DIN 488 and Eurocode 2 – from delivery to installation verifiably.

Reinforcement steel 12 mm order and delivery

You order reinforcement steel 12 mm simply made to measure: specify length or bending shape, quantity (in meters, piece or bin) and the desired delivery date. We deliver throughout Germany – from the individual rod to the complete component reinforcement. A non-binding fixed price offer can be obtained from our pageContact. You can also find the basics of diameters and weights in theDiameter and dimension table.

Reinforcement steel 12 mm compared to diameter

In the range of reinforcing steel Germany, you can get reinforcing bars from 6 to 40 mm. The following table shows how reinforcing steel is classified in the overall program in terms of cross-section and weight – helpful if the statics choose between adjacent diameters:

A larger diameter means more carrying capacity per rod, but also higher weight and larger bending roller diameters. The same reinforcement surface can often be achieved either with a few thicknesses or many thin rods – the most economical solution depends on the installation effort, the bar spacing and the concrete cover.

B500A and B500B – which type for 12 mm?

Reinforced steel is supplied in the B500A and B500B grades according to DIN 488. Both have a yield point of 500 N/mm², but differ in ductility. As standard steel bar 12 mm, we supply the high-ductile grade as standardB500B, which is suitable for load-bearing components with higher demands on elongation at break and hardening. B500A is mainly used for cold-formed wire and mat products.

Overlap and anchoring of reinforcement steel 12 mm

Shocks of reinforcing bars are usually carried out as a surge shot. The required overlap length is a multiple of the rod diameter and depends on concrete quality, composite conditions and bar spacing. The following orders of magnitude are used as a rough guide for reinforcement steel 12 mm (the relevant values always provide the static calculation according to Eurocode 2):

At 12 mm, an overlap of 50 × D corresponds to around 600 mm. Too short shocks or bending radii that are too tight weaken the component – that’s why we manufacture bending shapes and joints exactly according to your reinforcement list.

Concrete cover and exposure classes

The concrete cover protects reinforcement steel 12 mm from corrosion and secures the bond. It depends on the exposure class of the component. Reference values for the nominal size of the concrete cover:

Processing, welding and storage

Concrete bar steel B500B is welded to conditionally suitable for the carbon equivalent (CEV); The rules of DIN EN ISO 17660 must be observed for load-bearing welded joints. Cutting grinders or bar shears are used when cutting. Store reinforcing steel 12 mm dry and jacked up to avoid rusting and dirt – light rust does not affect the composite, loose rust and dirt must be removed before installation.

Supply of rebar 12 mm – throughout Germany and to the DACH region

We deliver reinforcement steel 12 mm throughout Germany and on request to Austria, Switzerland and Luxembourg. Whether single bar, cut positions, curved bending shapes or complete component reinforcement – the picking is done according to your list. Mat bundles and bars are delivered bundled and require crane discharge; We agree on a realistic delivery date in advance so that the construction process remains smooth.

Application examples for reinforcing steel 12 mm in detail

Where the diameter of 12 mm is specifically installed depends on the component and the stress. The following examples show typical applications in construction and civil engineering and help with material planning:

Ceilings and Floor Plates:Reinforcement steel 12 mm forms the load-bearing field and support reinforcement of reinforced concrete ceilings and floor slabs.Supports and beams:The diameter absorbs compressive and tensile forces as longitudinal reinforcement.Foundations:In strip and single foundations, 12 mm ensures the distribution of the loads in the subsoil.Ring anchors and falls:The steel stabilizes the masonry via openings and as an all-round ring anchor.

For prefabricated elements, we combine 12 mm reinforcement steel withreinforcement baskets,structural steel matsandplug-in bracketsto ready-to-install positions.

Quantity determination and calculation

For calculation and order, the steel quantity is determined by length and weight per meter. Computing example for reinforcement steel 12 mm: If 25 rods of 6 m each are required for each component, 150 m of steel results. At 0.888 kg/m, this corresponds to 133 kg or around 0.13 tons. With this simple calculation, positions from the reinforcement plan can be quickly converted into order quantities and costs; Reinforced steel is usually traded per ton.

• Total length × weight/meter = position weight
• Position weight ÷ 1,000 = weight in tons
• Schedule a surcharge for overlapping shots (approx. 10-15%)
• Consider waste at standard lengths

Standards environment: DIN 488 and Eurocode 2

Reinforcement steel 12 mm is in the interaction of several sets of rules. TheDIN 488is the product standard for reinforcing steel and regulates varieties, dimensions and markings. TheEurocode 2 (DIN EN 1992-1-1)Controls the design and execution of reinforced concrete components – i.e. concrete covering, anchoring, overlap and minimum reinforcement. DIN EN ISO 17660 applies to welded joints. Anyone who plans and executes according to these standards will receive stable, durable and testable reinforcement.

Avoid common mistakes when using reinforcing steel 12 mm

• Too low concrete cover → risk of corrosion
• Too tight bending radii below the minimum bending roller diameter → Steel damage
• Too short overlapping lengths → component attenuation
• B500A and B500B confusion for load-bearing components
• Missing item numbers on the bending list → Assignment error on site

Why buy rebar 12 mm for reinforcement steel Germany

As a specialist dealer for reinforcing steel, we supply reinforcement steel 12 mm in accordance with the standards, testable and on time. You benefit from a continuous range from 6 mm ironing steel to 40 mm bars, from the factory assembly (cutting, bending, baskets) and transparent processing: inquiry, fixed price offer, production according to bending list and Position-accurate delivery. Especially with 12 mm, which is used in load-bearing components, the complete documentation of work certificate and traceability is a decisive quality advantage.

Sustainability of reinforcing steel

Reinforced steel is a sustainable building material: reinforcing steel is largely made from recycled scrap in an electric arc furnace and is almost completely recyclable at the end of its useful life. In combination with the durable composite material reinforced concrete, structures with a very long service life are created. Conscious use of materials – the right choice of diameter 12 mm instead of oversizing – saves resources and costs.

How to order reinforcement steel 12 mm – step by step

1. Provide reinforcement plan or bending list or specify length and quantity
2. Specify variety (B500B) and diameter 12mm
3. Choose delivery form: rod, cut or curved
4. Request a non-binding fixed price offer
5. Vote for delivery date and unloading point
6. Position-accurate delivery to the construction site

Whether individual ordering for private house construction or frame delivery for a construction company – we put together the right amount of reinforcing steel 12 mm. The guides provide further basicsOrder made-to-measure steelandLay the reinforcement steel correctly.

Conclusion: Reinforcement steel 12 mm according to DIN 488

Reinforcement steel 12 mm in grade B500B is a standard, high-ductile reinforcing bar with 0.888 kg/m for ceilings, supports, beams, floor slabs. With correctly selected concrete cover, adhered bending roller diameter (7 d) and sufficient overlap, you will receive load-bearing, durable reinforcement. Request your fixed price offer – we deliver throughout Germany and make up according to your list.

Frequently Asked Questions about Reinforcement Steel 12 mm

What does reinforcement steel weigh 12 mm per meter?

Reinforcement steel 12 mm weighs 0.888 kg per meter. The weight results from the formula kg/m = d² × 0.00617.

Which steel grade has rebar 12 mm?

We supply 12 mm reinforcement bars in the B500B according to DIN 488 with a yield point of 500 N/mm² and high ductility.

What is the diameter 12 mm used for?

The diameter of 12 mm is mainly used for ceilings, supports, beams, floor slabs. The exact choice is given by the statics.

Can I order rebar 12 mm bent?

yes We bend 12 mm according to DIN 488 with a minimum bending roller diameter of 7 d and manufacture brackets and bending shapes according to your bending list.

How many meters of reinforcement steel 12 mm make a ton?

The weight of 0.888 kg/m results in around 1126 running meters per ton.

Weiterführende Quellen: Betonstahl (Wikipedia), Bewehrung im Stahlbetonbau. Reinforcement steel 12 mm erhalten Sie bei der Bewehrungsstahl Deutschland GmbH normgerecht nach DIN 488 – projektbezogen und bundesweit geliefert.