Mill Steel Billets and Prime sSteel Raw Materials
Specifications for Mill Steel Billets:
Steel billet / Square steel/ Steel square bar
3SP/PS, 5SP/PS, Q195, Q235,
Q255, Q275, 20MnSi etc.
Hot rolled, Continuous casting and rolling
50*50mm ~ 160*160mm
Loose packing, in bundle
T/T, L/C at sight, Usance L/C
EXW, FOB, CFR, CIF
FIO, FILO, FLT
Third party inspection accepted
15-30 days, according to the quantity
carbon structural steel, wire rod, rod, deformed bars,
profile steel, machine parts, and steel moulds etc .
Customized service is available
(for sizes,length and chemical components etc.).
Datas for Mill Steel Billets
Main Features for Mill Steel Billets
Grade: Q195, Q235, Q255, Q275, 20MnSi
Chemical Composition: C, Mn, Si, S, P, B, Cr, C, Si, Mn, P, S, (B)
Shape: Square, Square
Length: 3-12m, 2-12m
Standard: GB, GB 1499-- steel billets and prime steel raw materials
Technique: Hot Rolled, Hot Rolled
Dimensions: square Steel billet Q235 Q275, 60*60mm-150*150mm
Alloy Or Not: Is Alloy, Is Alloy
Secondary Or Not: Non-secondary, Non-secondary
Type: steel billets and prime steel raw materials
Q:How about your quality?
A:Quality is our culture, our products has to be checked with engineer, QC and sales, customer together, The products’ qualified rate need to be over 95%.
- Q:What are the functions and classifications of galvanized sheet?
- Galvanized sheet prices of different types is not the same, of course, different industries in the field of galvanized plate and material prices are not the same, so you choose in the galvanized plate, must be supplied to the use of your sales, so that they will come to you through your use of choosing suitable for you product.
- Q:Q195 galvanized steel plate, is it hot or cold?
- Cold rolling mill for rolling power, low efficiency, and the rolling process in order to eliminate work hardening and annealing, so the cost is higher, but the cold rolled steel surface bright, good quality, can be directly used for processing products, it is ten points wide application of cold rolled steel plate.
- Q:What type of welding rod is used for steel Q245R and Q235B material?
- Q245R is generally used in boiler or pressure vessel, if it is a large diameter cylinder welding body in wall thickness below 8mm recommended the use of arc welding J507 welding rod, double welding, carbon arc gouging back, to obtain qualifiedQuality; when the wall thickness is thicker, submerged arc welding can be used and welding with H08MnA welding wire and HJ431 flux is used;
- Q:Is PCM steel better than galvanized steel?
- In order to obtain the bending and curing enough; and can obtain good washing resistance, pollution resistance and high hardness. The pencil on the back with modified epoxy paint at the back, one can obtain good corrosion resistance, also can obtain excellent adhesion foaming.PCM color steel plate can not only meet the household appliances use environment and the requirements of the service life, but also has good processability, can meet the high speed and precision machining equipment requirements, can be used for bulk refrigerator door, side plate, back plate, box washing machine, water heater
- Q:Can 16Mn steel plate be used instead of Q345D steel plate?
- 16Mn steel plate is the old brand, the latest brand is Q345, but Q345D has a special requirement than 16Mn, that is, 20 degrees lower temperature test
- Q:What is the difference between an open plate and an original plate?
- Open plate and the original plate are many industries are commonly used plate, although the appearance of such two plates are very similar, but there are other essential differences, these we all want to clear.x0d
- Q:Is the cold rolled steel plate good or the stainless steel plate?
- The cold rolled steel itself, whether washed by acid car wash, semi-finished products, or rolled out by cold rolling mill semi-finished products, their rust resistance is very poor. It is easy to oxidize, resulting in rust on the surface of the air. It will not rust until it has been plated with aluminum or zinc, and it is clear that the process is complex and unsafe.
- Q:What's the effect of water stopping between steel plate and water stop strip? What's the difference between the process and the sealing process?
- Water swelling, water stop, rubber water stop and water stop steel plate are compared between the three:After using the water stopping strip (water stopping steel plate and water stop bar), the water can be prevented from soaking through the concrete, and the double protection function of water proofing and water stopping can be realized.
- Q:What is the difference between cold rolling and hot rolling?
- Hot rolled steel coil as raw material by pickling descaling after cold rolling, the finished rolling hard volumes, due to continuous deformation caused by cold hardening the hard roll strength and hardness of the rise and decline of toughness index, stamping performance deterioration, only for a simple deformation of parts. Rolled hard rolls can be used as raw material for hot galvanizing plants, because the hot galvanizing units are equipped with annealing lines. The roll weight is usually 6~13.5 tons, and the inside diameter of the steel coil is 610mm. Generally, cold continuous rolling plate and roll should be annealed by continuous annealing (CAPL unit) or bell type furnace to eliminate cold work hardening and rolling stress, and meet the standard mechanical performance indexes. The surface quality, appearance and size accuracy of cold rolled steel plate are superior to those of hot rolled plate.
- Q:What material can be used for A36 steel plate?
- Q means yield strength, and Q345 indicates the yield strength of this steel is 345MPa. Q345 will decrease the yield value as the thickness of the material increases. And domestic may be small high strength steel plate in 345, so in mechanical design, the strength must be less than 345 this value, otherwise there will be problems.
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