Square Steel Billet, Square Bar, From China Manufacturer

Square Steel Billet, Square Bar, From China Manufacturer

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 50000 m.t./month

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Specification

Standard:

Technique:

Hot Rolled

Shape:

Square

Surface Treatment:

Dry

Steel Grade:

Q195,Q215,Q235

Certification:

SGS

Thickness:

60mm-150mm

Width:

60mm-150mm

Length:

6-12m

Net Weight:

23mt

Packaging:

Bare Packing

Square steel billet, square bar, mild steel billet best price from China manufacturer

Steel Billets (60-150mm) with hot rolling

We are one of steel manufacturer, our company specializes in manufacturing profile steel products such as H beams,I beams , Channel steel,and also can find some best quality angle steel,steel plate,steel pipe ,steel coils and many kinds of steel products of this kind.

Company Main Product Introduction:
Steel billet
Steel Profile:H-Beam/I-Beam/Equal Angle/Unequal Angle/U Channel /Flat Bar
Steel Plate:Hot Rolled Coil/Hot Rolled Checkered Coil/Cold Rolled Coil/Cutting Sheet
Wire Bar: Round Bar /Wire Rod/Deformed Bar
Steel Pipes: Seamless Pipe, Square/Round Pipes
Galvanized Steel: Angle/Channel/I-Beam/Round Bar/Flat Bar/Round-Square Pipe

Application:
Wire rod, deformed bars, rebar, profile steel, mechine parts and so on

Specification:

Type	Square, rectangular
Standard	GB, ASTM
Size	60X60-150X150mm
Length	6-12M or customised
Processing	Hot rolled continuous cast
Packing	Export standard packing

Adventage:
1. Prime quality and competitive pirce
2. Good reputation and large market
3. Big company scale
4. Good service and prompt reply

Q: What are the different types of steel processing techniques for coils?: There are several types of steel processing techniques for coils, including hot rolling, cold rolling, annealing, pickling, and galvanizing.

Q: What are the different types of steel coil slitting lines?: There are several different types of steel coil slitting lines, including rotary shear slitting lines, loop slitting lines, and drag tension slitting lines.

Q: How are steel coils inspected for paint adhesion using adhesion testers?: Steel coils are inspected for paint adhesion using adhesion testers in a systematic and rigorous manner. Adhesion testers are devices specifically designed to evaluate the bond strength between the paint and the underlying steel surface. The inspection process begins by selecting representative samples from the steel coils. These samples are usually cut into smaller sections, ensuring that they are free from any defects or surface irregularities that could affect the adhesion test results. Once the samples are prepared, the adhesion testers are employed to measure the force required to detach the paint coating from the steel surface. The most commonly used adhesion tester is the cross-cut adhesion tester. This device consists of a set of blades arranged in a grid pattern. The blades are used to create a series of cuts through the paint coating down to the steel surface, forming a grid of squares or rectangles. After the cuts are made, a specialized tape is applied to the grid area and pressed firmly onto the surface. The tape is then rapidly pulled off at a 90-degree angle to the surface. The force required to remove the paint coating from the steel is measured and recorded. The results of the adhesion test are evaluated based on predetermined standards or specifications. These standards typically define the minimum acceptable adhesion strength for the specific application or industry. If the measured adhesion strength falls below the specified threshold, it indicates poor paint adhesion, which could lead to issues such as paint delamination or corrosion. In addition to the cross-cut adhesion tester, other adhesion testing methods may also be used, such as the pull-off adhesion tester, where a hydraulic or mechanical device applies a tensile force to a small circular or dolly-shaped test area. The force required to pull off the dolly is measured and used to assess the paint adhesion. Overall, the use of adhesion testers ensures that steel coils are thoroughly inspected for paint adhesion. This helps to identify any potential adhesion issues early on, allowing for appropriate remedial measures to be taken to ensure the longevity and performance of the paint coating.

Q: What is the average lifespan of a steel coil?: The average lifespan of a steel coil can vary depending on various factors such as its quality, usage, maintenance, and environmental conditions. However, on average, a well-maintained steel coil can last anywhere from 10 to 30 years.

Q: How are steel coils protected against fire and heat?: Steel coils are typically protected against fire and heat through various methods such as fire-resistant coatings, fire blankets, water-based sprays, or the use of fire-resistant barriers or walls in the storage area. Additionally, fire detection and suppression systems, such as sprinkler systems, are often installed to quickly extinguish any potential fire.

Q: Hi all.I'm working on a project which requires about 3 steel pipes at 25mm in diametre and about a foot each in length.The qualities I need with the steel is that:1. I need it to be easy enough to weld together2. I need to be able to drill holes through them with a basic drill (I could buy different bits, that's fine)3. I need the steel to be able to take short intense repeated bursts of strain through said holes4. The lighter the steel the better5. Could I please have a ballpark figure for price. I can't imagine such a small amount of steel would cost too muchThank you in advance for your replyRegardsSean: For a structural product you want tubing instead of pipe. ERW (Electric resistance welded) steel tubing is generally a fairly good compromise between cost and strength. They are available in various wall thicknesses for either lighter weight or greater strength. DOM (dimensioned over mandrel) tubing generally uses a stronger steel allow and is more dimensionally uniform but the cost is much higher. These products are probably available at a local steel supplier. They are both mild steel so they can be arc welded or brazed with ease. Strength of these steel alloys is generally about 70,000 psi so you need to analyze the specific applied stress over the specific surface area to determine what wall thickness you need. If you are applying tension or compression to pins in holes in the tubing, you could braze in hardened steel bushings. You would bore a larger hole in the tubing in which to insert the bushing. Bushings would distribute the force over a significantly larger surface area and the holes will not tend to elongate.

Q: If steel can rust with saltwater... then why are ships made of steel? can't we just use other metals like aluminium etc?: Steel became the medium of construction almost be accident. The Royal Navy began to coat its wooden ships with a coating of steel to give them added protection in battle. They were known as the Iron Clads. From this it was a small step by such people as Brunnel to start construction in iron, then various other steels. The Great Eastern is a classic example. Over the last one hundred years the main improvement is in welding rather than a riveted construction. Improvements in steel have lead to a reduction in the scantlings and through this a reduction I the weight of the ship which has allowed for an increase in the carrying capacity. There always have been specialist ships built with alternative materials. Aluminium, wood, concrete and GRP. GRP. Also it must be remembered that there has been great advances in steel, from the early days of cast iron.

Q: Can steel coils be coated with anti-corrosive substances?: Yes, steel coils can be coated with anti-corrosive substances to protect them from rust and corrosion.

Q: Can we construct a barn using steel and will it be a durable one?: sure , steel barns are all over the place...the common brand of steel buildings around here are Butler Buildings...

Q: A 100 kg solid steel ball with a radius of 5 m is being spun on ice with an angular velocity of 5 rev/s pointed into the ice (clockwise rotation when viewed from above).A student shoots a 10 kg marble at the steel ball. The marble hits the ball along its side as shown with an initial velocity of 5 m/s to the left. If, right after the collision, the final velocity of the marble is 2.5 m/s to the left, what is the angular velocity of the steel ball after the collision?: You need to do conservation of angular momentum about the steel ball's axis. Angular momentum = I.ω The steel ball's initial ω = 5 rev/s = 5*2pi rad/s = 31.4 rad/s The steel ball's moment of inertia I = (2/5)*m*r^2 = 40*25 kg.m^2 = 1000 kg.m^2 The marble's initial ω = v / r where r is the perpendicular distance from the steel ball's axis You need to look at the diagram for this. The marble's I about the steel ball's axis is I = m*r^2 where r is the same as above. (marble is treated as a point mass). Then work out the total initial ang. momentum = final ang. momentum and solve for ω...

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