Hydrogen (H) is the most harmful element in general steel such as A573 grade 70 plate. Hydrogen dissolved in steel will cause hydrogen embrittlement, white spots and other defects. Hydrogen, like oxygen and nitrogen, has very little solubility in solid st
There is no weld on the outer surface of seamless steel pipe, which is the change from round steel progressive perforation to hollow round bar, with good compression resistance. According to different materials, the processed finished products A573 Gr 70
Large-thickness A709 Gr 50 structural steel sheet, Z35 grade steel plate is a kind of extra-thick steel plate that is applied under specific environmental conditions, such as the key parts such as the turbine seat ring and guide vane of the generator set.
High-strength steel plates have the following characteristics. First, the strength is high, the bearing capacity is very good, and it is not easy to break. Second, compared with other steel plates under the same strength requirements, high-strength steel
Hot Rolled Plates Products Testing BBN STEEL can supply many tests and analysis done to examine them before and after the manufacturing. As the A588 Gr A HSLA steel plate raw material is fetched by us the steel undergoes vacuum treatment, product analysis
The advantages of A514 Gr R alloy steel plate, seamless steel pipe are high pressure resistance, good toughness, long pipe section and few joints. It is widely used and the rolling technology of domestic steel mills is also very mature. Compared with roun
Manufacturer’s Report and CertificateUpon completion of all tests and inspections on each tank A709 grade 50S bridge steel plate, the Manufacturer shall prepare a report summarizing all the data on the tank, including foundations (if they are wi
The sulfur element (S element) comes from the ore and fuel coke of steelmaking. It is a harmful element in A514 Gr B QT steel plate etc. steel. Sulfur exists in steel in the form of iron sulfide (FeS). FeS and Fe form a low melting point (985℃) compound.
Sulfur is a very harmful element in A572 Gr 50 CS steel carbon plate steel. The presence of sulfur will increase the hot brittleness of steel, reduce the various mechanical properties of A572 Gr 50 CS steel carbon plate steel, and reduce the weldability,
Magnetic particle flaw detection is only suitable for detecting surface defects, which means that by laying magnetic powder on the surface of the equipment and using its aggregate shape on the surface defects of the magnetic material equipment to determin
Titanium microalloying is an element of ASTM A514 quenched and tempered steel strengthening complex with carbon and nitrogen. The addition of micro amount of titanium in the steel can fix almost all nitrogen and part carbon in the steel, so as to eliminat
Hot-rolled steel sheet / cold-rolled steel sheet: Steel ingots or slabs are difficult to deform at normal temperature and difficult to process. They need to be heated to 1100 ° C to 1250 ° C for rolling. This A514 Gr P alloy steel plate ro
Superior process production line advantage sdf: The company has focused on weathering steel A283 Gr D ms steel sheet, pressure vessel plate, oil tank plate, pipeline steel plates, and steel welded structures for many years, and has a strong factory scale;
In the face of domestic and foreign steel situation, based on the advantages of production and inventory, we have established our own processing center, and our manufacturing includes different types. Steel A588 Gr B heavy plate surface treatment - such a
A573 grade 58 CS steel carbon plate, Hot rolled seamless tube is usually produced on automatic tube rolling mill. After the solid tube blank is inspected and the surface defects are removed, it is cut to the required length, centered on the end face of th
The difference between A572 Gr 50 ms steel coil, hot rolled sheet and cold rolled sheet: hot rolled sheet has low hardness, easy processing and good ductility. The cold-rolled sheet has high hardness and relatively difficult processing, but it is not easy
Normalizing is to heat the steel parts to 30~80℃above the critical temperature for a period of time. Then the parts are taken out of the furnace and cooled in air. Since the cooling rate of normalizing is faster than that of annealing, the strength and ha
In the face of domestic and foreign steel situation, based on the advantages of production and inventory, we have established our own processing center, and our manufacturing includes different types. Steel ASTM A572 ms steel coil surface treatment - such
Oxygen is a harmful element in A514 grade K alloy steel plate steel. With the increase of oxygen content, the strength of A514 grade K alloy steel plate steel increased, but the plasticity, especially the toughness, decreased significantly, and the weldab
Based on the A573 Gr 70 carbon steel plate steel trade, the company mainly deals in Baosteel products: color coating, zinc plating, fingerprint resistance, cold rolling, hot rolling, pickling, electrical steel and other products, and can order the futures
The company was established in 2000, covering an area of more than 4,500 acres. It has fixed assets of 200 million yuan, and employs more than 1,200 people. It has now formed coking, sintering, white ash, pellets, ironmaking, A514 Gr Q alloy steel plate s
Changes in Tank ShapeIf in any of the foregoing tests there is an excessive rise of the bottom of the tank around the boundary of contact with grade, or off its foundations, or if any of the specified conditions of test loading cause other appreciable cha
The fake and inferior A572 Gr 55 CS steel carbon plate, steel plates have no metallic luster and are light red or similar to pig iron for two reasons. 1. Its blank is adobe. 2. The rolling temperature of counterfeit and inferior materials is not standard,