what is 4130 steelaisi 4130 steel (uns g41300), also known as 4130 chromoly steel, is a chrome-molybdenum series low alloy steel with high strength, toughness and hardenability, usually used in quenched and tempered condition.4130
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
a hollow structural section, or hss, is a type of metal with a hollow tubular section. these sections can be circular (chs), square (shs) or rectangular (rhs).
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
martensitic stainless steel, a chromium-iron alloy containing 10.5 to 17% chromium and controlled amounts of carbon. this type is extremely strong and tough, but not as corrosion resistant as the other two classes. martensitic grades are magnetic in both the annealed and hardened (heat tre
ferritic steel is a grade of stainless steel alloy that contains over 12% chromium. it differs from other forms of stainless steel in two critical regards: its molecular grain structure and its chemical composition.ferritic stainless steel is actually defined as a stra
inconel 718 is a gamma prime strengthened alloy with excellent mechanical properties at elevated temperatures, as well as cryogenic temperatures. suitable for temperatures upto around 1300°f. can be readily worked and age hardened.excellent strength from -423°f to 1300
hardening: hardening is a metallurgical metalworking process used to increase the hardness of a metal. the hardness of a metal is directly proportional to the uniaxial yield stress at the location of the imposed strain. a harder metal will have a higher resis
china oil & gas pipeline network corp, the country39;s largest energy infrastructure company, said it has started tunneling through the yangtze river for its china-russia east-route natural gas pipeline on last tuesday, marking new progress in the two countries39; energy cooperation to improv
astm a420 covers wrought carbon steel and alloy steel pipe fittings of seamless and welded construction for use in pressure piping and pressure vessel service at low temperatures. materials shall consist of forgings, bars, plates, seamless or fusion welded tubular products with filler meta
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