Sep-23-2020
TB/T 1979 railway vehicles used steel : 05CuPCrNi, 09CuPCrNi, Q400NQR1, Q450NQR1, Q500NQR1, Q550NQR1
TB/T 1979 Corrosion-resistant steel series for railway vehicles is mainly used for the manufacture of high-strength atmospheric corrosion-resistant hot-r
Sep-22-2020
Precautions for the welding process of ship steel plate
Control of welding line energy:The DNV GL grade B ship steel plate should be welded strictly in accordance with the process specification, and the welding heat input is generally controlled below 50
Sep-22-2020
JIS G3101 SS400 steel is one of the most commonly used hot rolled general structural steel. JIS G3101 SS400 steel is usually supplied as SS400 steel plates, sheets, flats, bars, sections, etc.. No matter what form it is, JIS G3101 SS400 chemical compositi
Sep-21-2020
ASTM A612M steel plate is PVQ steel, otherwise known as "pressure vessel quality steel". That means, ASTM A612M steel plate is steel specially intended for pressure vessels, which require higher standards for chemical composition and material pr
Sep-18-2020
Both 35CrMo and 42CrMo steel are Chinese alloy steel materials. And they have high strength and toughness, good hardenability, and no obvious temper brittleness. Besides that, 35CrMo and 42CrMo steel usually do quenching and tempering treatment. After tha
Sep-17-2020
In the first quarter of 2020, the total volume of EU S690QL material and so on steel exports to third countries decreased by 9% year on year. In the first four months of 2020, due to a 15% year-on-year decrease in flat long products exports and a 13% year
Sep-16-2020
US steel announced on September 14 that it would increase its flat steel product price by at least $60 per short ton. The quotation for hot rolling steel coil is new spot inquiry, the lowest price is 600 US dollars / short ton, and the quotation of cold r
Sep-14-2020
20Cr material is a kind of Chinese GB standard alloy steel. 20Cr material is usually in form of 20Cr round bar, 20Cr steel pipe, 20Cr steel plate, etc. 20Cr material composition is characterized by Chrome elements, and it has good comprehensive mechanical
Sep-12-2020
51CrV4 steel is a chromium vanadium alloyed heat-treatable steel, and it is also known as 51CrV4 spring steel. 51CrV4 steel is commonly supplied in the as rolled condition. And 51CrV4 steel is also suitable for oil quenching and tempering, after which the
Sep-11-2020
On September 10, the price of carbon steel plate in Handan market remained stable. The mainstream price of 14-20 specification Q275 carbon steel plate is 3880 yuan/ton, and the price of low-alloy Q345C is 220 yuan/ton.
Sep-11-2020
A387 grade 11 class 2 steel material is chrome molybdenum alloy steel under ASTM A387/A387 technical standard. The chrome molybdenum alloy elements increase the temperature tensile strength of A387 grade 11 class 2 steel material, and make it applicable f
Sep-10-2020
On September 10, the market price of SM570 steel plate in Zhengzhou is stable, and market transactions are average. As of press time, the price of 14-25mm thickness SM570 carbon steel plate in Zhengzhou market is 4150 yuan/ton.
Sep-09-2020
On September 8, the price of Zhengzhou medium plate was mainly stable. The current market price of BBN STEEL medium plate ASTM A36 carbon steel thickness 10mm size is 4280 yuan/ton, the market price of ASTM A36 medium plate 14mm size is 4180 yuan/ton, and
Sep-09-2020
SS400 material is well known in building and structural constructions. SS400 material is a kind of mild steel. What is the difference between mild steel and SS400 material? First, we need to understand what is mild steel.Mild steel is the mildest type of
Sep-08-2020
The anti corrosive steel SPA-H is designed by adding Cu, P, Cr and Ni in low carbon steel. The corrosion resistance of anti corrosive steel SPA-H is excellent, and the dimensional accuracy, plate shape, surface quality and formability are also good, which
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