astm a234 wpb is a common grade for 90 degree long radius elbow, which is one of the highly demanded. they available in a large size and thickness range. they have a good performance and suffices most industrial pipeline needs.standard: asme b16.9, sh3408, hg/t21635 /

304 and 304l stainless steels are among the most versatile and widely used of all the stainless steel grades. so, what is it that makes these the best all-around performance stainless steels, and what’s the difference between the two?type 304 stainless steel<

we offer astm a789 uns s31803 s32750 s32760 duplex stainless steel tubing in wide range of sizes, both welded and seamless stainless steel tubing, duplex steel maintains high strength and excellent corrosion resistance so it can be applied in harsh environment. 

products class grade size（mm） end standard length pieces weight line pipe psl1

spiral steel pipes require exterior treatment to add durability.1.using solvent and emulsion to clean the surface of the anti-corrosive spiral tube. this can remove the organic material on the surface of the spiral tube, but it cannot remove the surface rust, scale, so

hot simmering elbow is also called intermediate frequency elbow, and its production process belongs to the scope of thermal expansion.after the straight pipe is unloaded, an induction ring is placed on the portion of the steel pipe to be bent by a bending pipe pushing

a ring type joint flange(rtj) is a machined metallic ring with a deep groove cut into its face. this groove rests a metal ring which gets compressed when the connecting bolts of the flange are tightened. this compression results in a leak-proof, close-fitting seal on the pipe or connection

din 17175 steel pipes are used in boiler installations, high-pressure pipeline

gbchinese national standardsgb 3087: seamless steel tubes for low and medium pressure boilergb 5310: seamless steel tube for high pressure boilergb 13296: seamless

api 5l gr.b/astm a53 gr.b, carbon steel, lsaw

api 5l/astm a106 gr.b, lsaw carbon steel pipe公称通径<

while the two most popular grades of stainless steel might seem identical at a glance, they hold important differences that can lead to substantial savings over the life of your product depending on your intended uses.304 stainless steel<

what is drill pipe?drill pipe is hollow, thick-walled piping that transmits drilling fluid and torque through the wellbore to the drill bit on a drilling rig. the drill pipe can b

duplex steels are characterised by high chromium (19–28%) and molybdenum (up to 5%) and lower nickel contents than austenitic stainless steels. the most used duplex stainless steels are the 2205 (22% chromium, 5% nickel) and the 2507 (25% chromium, 7% nickel); 2507 is known as “super duple

api 5l gr.b/astm a53

recently, steel prices have continued to rise and have risen crazily. the main reasons are as follows:first. as we all know, on april 26, the ministry of finance of the people’s republic of china issued an announcement on the cancellation of export tax rebates for cert

alloy 625 is a popular nickel-chromium alloy that offers users a high level of strength and ease of fabrication. alloy 625 is known for a number of different unique properties including:strength due to addition of molybdenum and niobium

china national offshore oil corp, one of the country39;s three major oil and gas companies, did major oil-gas exploration during the 13th five-year plan period (2016-20), with oil-gas exploration reaching 1.3 billion metric tons and proved natural gas reserves reaching 500 billion cubic meters, t