[ Wiki ] Steel in Buildings and infrastructure

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Construction is one of the most important steel-using industries, accounting for more than 50% of world steel production. Buildings - from houses to car-parks to schools and skyscrapers - rely on steel for their strength. Steel is also used on roofs and as cladding for exterior walls.

According to the UN's latest forecast dating July 2015, world population will reach 8.5 billion in 2030 and 9.7 billion in 20501..This will be accompanied by rapid urbanisation. As the need for buildings and infrastructure continues to grow worldwide, reducing consumption of natural resources and associated emissions is crucial for future sustainability.

Steelmakers around the world are increasingly providing construction solutions that enable energy-efficient and low-carbon-neutral buildings. These solutions reduce the environmental impact over the structures’ life cycle and help to extend their life span through design for disassembly and reuse.

Steel can provide the solutions to infrastructure and construction needs in developing countries and in climate resilient cities through enabling protective coastal and wind-resistant designs. While buildings currently account for about 20% of global greenhouse gas emissions, they also present many opportunities for reducing emissions and mitigating climate change.2,3

Not only is steel affordable, readily available and safer, its intrinsic properties, such as strength, versatility, durability and 100% recyclability allow for improved environmental performance across the entire life cycle of buildings. 

The advanced high-strength steels used in steel-plate applications also find uses in a number of related industries. Offshore oil rigs, bridges, civil engineering and construction machines, rail carriages, tanks and pressure vessels, nuclear, thermal and hydroelectric plants – all these applications benefit from the attributes of modern steels.

How steel is used in buildings and infrastructure

The possibilities for using steel in buildings and infrastructure are limitless. The most common applications are listed below4.

For buildings

• Structural sections: these provide a strong, stiff frame for the building and make up 25% of the steel use in buildings.
• Reinforcing bars: these add tensile strength and stiffness to concrete and make up 44% of steel use in buildings. Steel is used because it binds well to concrete, has a similar thermal expansion coefficient and is strong and relatively cost-effective. Reinforced concrete is also used to provide deep foundations and basements and is currently the world’s primary building material.
• Sheet products: 31% is in sheet products such as roofing, purlins, internal walls, ceilings, cladding, and insulating panels for exterior walls.
• Non-structural steel: steel is also found in many non-structural applications in buildings, such as heating and cooling equipment and interior ducting.
• Internal fixtures and fittings such as rails, shelving and stairs are also made of steel. 

For infrastructure

#lovesteel: Steel in the home

_____________    CONTACT US   _____________

Holly Zhang

E-mail: sales4@sunraysteel.com

Mob: 86-13417960037 / Tel: 86-0757-63999952

Skype: hollyzhang97

Facebook: https://www.facebook.com/zhang.holly.5

Address: 1507, A6, Hao Science Park, Guicheng, Nanhai District, Foshan, Guangdong, China.

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This news is originally published in World Steel Asssociation.

worldsteel launched the start of phase two of its #lovesteel campaign titled ‘Steel in ...’. The campaign will develop into a series of interesting facts and intriguing images of steel use across different industries and describes how steel enriches modern living and enables us to have a more sustainable lifestyle.

The starting theme is ‘Steel in the Home’. The first infographic ‘Home, Steel, Home’ launched on 8 July , shows the widespread use of steel in our home environment and illustrates the value and benefits it brings in four key areas; sustainability, cost, safety, and design. Through a detailed cross-section the infographic highlights where steel is used in each part of the house and how it helps to make your home more sustainable.

Two upcoming infographics will present key statistics of steel use in the construction sector and the amazing architectural styles made possible by steel in residential housing. The first of these infographics was launched on 20 July and is published below.

[ News ]Steel: Reaching new heights

Expected to be completed in five years, construction on what will be the world’s tallest building in the Saudi Arabian coastal city of Jeddah is under way. At a height of over 1,000 metres and a total construction area of 530,000 square metres, the Kingdom Tower is expected to cost US$1.2 billion.

An estimated 80,000 tonnes of steel will be required in the building’s construction with the 160 floors accommodating a mix of residential, office space and commercial units. Furthermore, the 1 kilometre high building will feature the world’s highest observation deck on the 157th floor.

The Kingdom Tower’s design is both highly technological and organic according to its architects, Adrian Smith + Gordon Gill Architecture, with tapered wings producing an aerodynamic shape that helps to reduce structural loading due to wind vortex shedding. In addition, the building’s exterior wall will feature a high performance system that will minimise energy consumption by reducing thermal load. The new construction will take advantage of new and innovative thinking about technology, building materials, life-cycle considerations and energy conservation.

Kingdom Tower, Jeddah, Saudi Arabia

When completed, the Kingdom Tower will stand 173 metres taller than the Burj Khalifa in Dubai to become the world’s tallest building. The Kingdom Tower will have a total of 59 elevators, five of which will be double-deck elevators, as well as 12 escalators. It will be the centrepiece and first construction phase of the US$20 billion Kingdom City development near the Red Sea.

_____________    CONTACT US   _____________

Holly Zhang

E-mail: sales4@sunraysteel.com

Mob: 86-13417960037 / Tel: 86-0757-63999952

Skype: hollyzhang97

Facebook: https://www.facebook.com/zhang.holly.5

Address: 1507, A6, Hao Science Park, Guicheng, Nanhai District, Foshan, Guangdong, China.

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[ Wiki ]Kitchen Sink Durability: Porcelain Vs. Stainless Steel

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Holly Zhang

E-mail: sales4@sunraysteel.com

Mob: 86-13417960037 / Tel: 86-0757-63999952

Skype: hollyzhang97

Facebook: https://www.facebook.com/zhang.holly.5

Address: 1507, A6, Hao Science Park, Guicheng, Nanhai District, Foshan, Guangdong, China.

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                                                                                Kitchen sinks get a lot of use.

Among kitchen sinks, those made with stainless steel and porcelain are durable options. Stainless steel sinks last 15 to 30 years, while porcelain has a lifespan of 25 to 30 years. No matter which material you choose, proper care and maintenance will make your sink last longer.

Stainless Steel

Get the most longevity from a stainless steel sink by installing one with a low gauge number. The lower the gauge, the thicker the steel and the longer it will last. Use only nonabrasive cleaners on stainless steel, and avoid cleansers containing chloride compounds. Never use steel wool or abrasive materials. The continuous dropping of silverware and dishes into the sink can scratch it, but a satin or brushed finish will camouflage these blemishes.

Porcelain

Porcelain sinks have a cast iron core with a baked-on porcelain finish. Because chipping and scratching of the finish shortens the sink's life, placing a stainless steel rack or soft mat in the sink's bottom can prevent chipping if a knife or dish falls into the sink. Never allow coffee grounds or other acidic materials to sit in the sink. Rinse and dry the sink after each use and clean the porcelain often, avoiding abrasive cleansers, rough sponges and steel wool. Consider having the sink refinished if the finish sustains numerous scratches and chips.