Square Steel Billet Q235 Grade Prime Quality 5#

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Loading Port:
Tianjin
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TT OR LC
Min Order Qty:
2000 m.t
Supply Capability:
50000 m.t/month

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Description of Square Steel Billet Q235 Grade Prime Quality 5#

M. S. Billets are used for rolling of TMT Re-Bars of Fe415 and Fe500 Grade and various other structural steel products. 
CRS Billets are used for rolling of CRS TMT Re-Bars. 
Special Alloy Billets are used for rolling of any special grade TMT Re-Bars like Earthquake resistant TMT Re-Bars and for special grade structural steel products.

Square Steel Billet Q235 Grade Prime Quality 5#

Main Feature Square Steel Billet Q235 Grade Prime Quality 5#

Raw elements(C,Fe,Ni,Mn,Cr,Cu.)---Smelted ingots by AOD finery---hot rolled into black suface---pickling in acid liquid---cold drawn----polished by automatically machine---  cutting into pieces---checking quanlity


Applications of Square Steel Billet Q235 Grade Prime Quality 5#

Widely Used in the areas such as Stainless Steel Fasteners, Chains, Kitchen and Sanitary wares, Furniture handles, Handrails, Electroplating and Electrolyzing pendants, Foods, Electron, Petroleum, Construction and Decoration, etc. Products have a high strength after cold-working. Electronic products parts, Medical appliance, Springs, Bus Inside and Outside packaging and building, Street Lamp Posts, etc. Decoration materials and Outdoor Publicity Billboard. Used for the products which have the Anti-Stress Corrosion requirement. Electron Products, Table-wares, Bolts, Nuts, Screen Meshes, Cumbustors and so on.

Square Steel Billet Q235 Grade Prime Quality 5#


Specifications of Square Steel Billet Q235 Grade Prime Quality 5#

StandardC(%)Mn(%)S(%)P(%)Si(%)
Q195≤0.12≤0.50≤0.040≤0.035≤0.30
Q235≤0.20≤1.40≤0.045 ≤0.045≤0.35 
Q275≤0.22≤1.50≤0.045≤0.045≤0.35
20MnSi0.17-0.251.2-1.6≤ 0.050≤ 0.0500.40-0.80
3SP0.14-0.220.40-0.85≤ 0.050≤ 0.0400.05-0.15
5SP0.28-0.370.50-1.00≤ 0.050≤ 0.0400.15-0.30
 

Square Steel Billet Q235 Grade Prime Quality 5#

FAQ of Square Steel Billet Q235 Grade Prime Quality 5#

We have organized several common questions for our clients,may help you sincerely: 

1. How Can I Visit There?
  Our company is located in Tianjin City, China, near Beijing. You can fly to Tianjin Airport Directly. All our clients, from home or aboard, are warmly   welcome to visit us!  
2. How Can I Get Some Sample?
  We are honored to offer you sample.  
3. Why choose CNBM?
  Our delivery time about 15-20days for standard sizes, if you have other requirements like hardness, quanity and width ,it is about 20-40days. But don't worry we also try our best for the delivery time ,because time longer and our cost is higher.


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Q:What does "billet" mean?
Steelmaking and continuous casting of steel products are mainly used for steel rolling, such as round bar, wire rod, sheet metal and so on
Q:Continuous casting billet has slag inclusion and air hole
the only way to avoid pinhole of slag situation.1, after foaming, a large amount of gas and residue are produced, which is the main source of porosity and slag inclusion in the cast steel.2, steel casting pouring system or ingate structure is not reasonable, easy to make the gas and residue involved in the liquid metal, the formation of porosity and slag.3, pouring temperature is too low, can not make the cast steel parts of the gas and residue fully excluded, floating up to the top of the casting, but also easy to produce porosity and slag inclusion.4, in some parts of the cast steel parts, when the permeability of the paint is very low, due to the role of gas back pressure, it is easy to make the gasification gas wrapped in the epidermis, forming a package of gas".
Q:Is the reaction of carbon and carbon dioxide a redox reaction?
According to the increase or decrease of the oxidation number, the redox reaction can be split into 2.5 reactions: the half reaction of increasing oxidation number is called the oxidation reaction, and the reaction of reducing the oxidation number is called the reduction reaction.In the reaction, the oxidizing substance, called the reducing agent, forms the oxidation product. The reducing reaction substance is called the oxidant, and the reduced product is produced. The oxidation product is oxidized but weaker than the oxidant; the reducing product is reductive but weaker than the reducing agent.Whether a chemical reaction belongs to an oxidation-reduction reaction depends on whether the reaction has an increase in the number of oxidation, or whether there is an electronic gain or loss.Turn left and turn right |In this reaction, carbon dioxide carbon has a valence of +4 price, after the reaction of carbon monoxide in the carbon price is +2, the carbon dioxide is reduced to carbon monoxide; elemental carbon has a valence of 0 by the price to rise to +2 price, is oxidized to carbon monoxide; carbon is oxidized to carbon dioxide reduction.
Q:What is the active carbon. What is the difference with the charcoal?
This decision of the activated carbon has Good adsorption of metal ions, adsorption, wastewater and waste gas in the harmful gases, organic pollutants, such as pigment. Application of activated carbon also requires high mechanical strength, good abrasion resistance, its structure to stabilize, adsorption energy required, to facilitate the regeneration. The active carbon used for oil, beverage, food, drinking water, decolorization, deodorization, gas separation, solvent recovery and air conditioning, adsorbent is used as a catalyst carrier and a gas mask. Charcoal is made from trees and dry, is a kind of fuel. Soil general burn charcoal, is placed in a kiln inner wood, after the ignition, when he arrived a certain temperature, closed kiln inlet, let the heat get distillation of wood and charcoal. To serve the people of Zhang Side is burning charcoal, charcoal kiln collapsed when.1 died
Q:Charcoal classification
Hard charcoal. By hardwood such as Fagaceae Quercus, Castanopsis trees, secondary birch and etc..Broad-leaved charcoal. Charcoal made from a mixture of hard and soft hardwood.Pine charcoal. Carbon fired from pine or other needle wood. In addition to bamboo and bamboo charcoal burning with shells, stones (coconut shell, peach stone charcoal etc.) wood raw material firing. Charcoal collected from household stoves in the cell known as carbon. If the charcoal is crushed and mixed with proper adhesive, and then pressed, formed and roasted, the deposit is made. According to the burning process of silica and carbon black.
Q:Does anyone know how much it costs to refine a ton of steel? What are the expenses involved?
Electricity, water, wages, raw materials, raw materials loss, charges, oxygen, according to their own circumstances, as well as freight and other expenses,
Q:What is the drop per minute of the billet temperature at 850?
Generally, the temperature decreases gradually during the rolling process (a small section of high speed wire has a temperature rising process), usually above 750 degrees
Q:Difference between billet, slab and billet
Production process of billet is through three methods: one is through the production of steelmaking and continuous casting equipment system, the molten steel is directly cast into the billet; two of steelmaking production systems of steel ingot or billet by rolling system of steel rolling equipment processing semi-finished products; three is the production of steelmaking system by forging semi-finished steel ingot the processing equipment. Market trends 1, domestic crude steel production remains high, although the domestic steel market has been relatively sluggish in recent times, and steel losses are more, but this does not seem to affect the enthusiasm of steel production. According to the China Steel Association statistics show that: in early April, the daily output of crude steel in key enterprises in China was 1 million 697 thousand and 300 tons, and the average daily output of crude steel in China was estimated at 2 million 123 thousand and 900 tons. And in mid April, crude steel daily output of ten days, although there has been a drop back, but still at a high level. According to statistics, in mid April, the average daily output of crude steel in key enterprises nationwide was 1 million 689 thousand and 100 tons, and the average daily output of crude steel in China was estimated at 2 million 115 thousand and 800 tons. Such a large production and sluggish demand in stark contrast, which is a drag on steel prices down one of the important factors.
Q:How does billet caster pull out billet cracking?
There are many kinds of cracks. Which one are you talking about? It is related to the water radian of the crystallizer.
Q:What is billet?
At present, the casting process has been basically eliminated.Mainly from the shape of two:Slab: the ratio of section width and height is larger, which is mainly used for rolling plate.Billet: cross section width, height equal, or difference is not big, mainly used for rolling steel, wire.

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