S420M material properties thickness and size list from BBN

X-rays or γ-rays are projected on the surface of the steel plate, and rubber can be placed on the other side of the steel plate. Since the radiation propagates through the steel plate and is absorbed, the intensity is different due to the presence or absence of defects, so the film can record the shape and position of the defects. This S420M material properties method is sensitive to the detection of common steel plate defects such as slag inclusions, porosity and pores. The disadvantage is that it is difficult to find the specific depth of the defect and it is not easy to find cracks.

The technical conditions are applicable to the high-strength A514Gr. Q alloy steel plate with thickness of 80-152mm. S420M material properties, A514Gr. Q high yield Strength Quenched and tempered alloy steel plate suitable for the rack of construction machinery and jack up offshore drilling platform. Available steel plate specifications range: thickness 8-650mm, width 1500-4020mm, length 4000mm-17000mm. Our company can supply alloy steel plates every month 500tons.

From the perspective of market conditions, today S420M material properties spot prices are operating smoothly, futures are volatile, and market acceptance is average. Merchants have a wait-and-see attitude. Low-price transactions are average, while high-price transactions are poor. Most merchants have daily transactions of 200-300 tons. between. For the market outlook, most merchants adopt the mode of selling more and lowering the warehouse, and are cautious about the later market.

Since the beginning of this year, the global S420M material properties steel pipe industry, like many other industries, is facing severe market situation. The difference is that novel coronavirus pneumonia is not only affected by the epidemic, but also closely linked to the oil and gas industry, and the global S420M material properties steel tube industry will also suffer from the "flash collapse" of international oil prices in March.