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Seamless carbon steel pipe hardness test method
Inner diameter of seamless steel pipe is more than 6.0mm and wall thickness is less than 13mm annealed seamless steel pipe material, which can be used W-B75 Webster Hardness test with very fast, easy, suitable for rapid non-destructive of the seamless steel pipe material qualified inspection. Inner diameter of seamless steel pipe is greater than 30mm and wall thickness greater than 1.2mm seamless steel tubes, using a Rockwell hardness test HRB, HRC hardness.
Asian region cold, hot rolled steel sheet coil prices fell significantly
On Tuesday, China's domestic trade hot roll prices mixed, East China's main markets showed a certain rebound. However, export prices continued to come under pressure, despite a slight appreciation of the renminbi against the dollar today. There are not many official offers from large steel mills. According to traders' bids, the mainstream export price of SS400 hot rolls is $505- $520 / ton FOB, and the CIF transaction price of the same type of resources in Southeast Asia is $500- $505 / ton CFR. Due to the small amount of very low o
Wear-resistant steel type wear-resistant steel use method
Wear-resistant steel is widely used in machinery manufacturing, mainly in the selection of mechanical parts materials, balls of steel mills, liners, bucket teeth of excavators, buckets, rolling walls, tooth plates, and hammerheads of various crushers. , track shoes for tractors and tanks, blow plates for fan mills, railroad frogs, middle slot middle plates for coal mine scraper conveyors, kerbs, ring chains, bulldozer blades, shovel teeth, large electric wheel cars Bucket linings, oil and open-cut iron ore pu
What is the general specification of the steel plate? Steel material classification
Everyone knows the steel plate. It is a kind of building material which is more common in the building. There are many places that can be used for steel plates. There are many kinds of steel plates. There are thin plates and thick plates. If you choose our needs, then the steel plate specifications are generally How much? How to classify the material of the steel plate? If you want to know the knowledge of this, then the Guanzhou will tell to you.
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