ASTM A53 pipes and ASTM A106 pipes are very similar,they are the most commonly used carbon steel pipes for industry applications. [……]
分类：SunnySteel
More than ten years of profound knowledge turn Sunny Steel to your competent partner as trading house for valves, fittings and tubes of stainless steel.
The name Sunny Steel stands for certified quality, because of this all products of our wide range consists to demanding norms and the highest standards. Sunny Steel also stands for know-how and effective service.
API(American Petroleum Institute)，API 5L Line Pipe，API 5D
The American Petroleum Institute, commonly referred to as API, is the largest U.S trade association for the oil and natural gas industry.[……]
Ferro Alloy
Steel can roughly be grouped into two categories. Firstly there is ordinary steel and then there is alloy steel. Alloy steel is characterized by the presence of one or more alloying elements. [……]
Carbon Steel Coding
The AISI and the SAE have designed a four digit code to assign to all carbon and alloy steels to show its standard wrought steel composition. In carbon steel grades the last two digits indicate the nominal carbon content.[……]
What is Carbon Steel?
Carbon steel is steel in which the main interstitial alloying constituent is carbon in the range of 0.12–2.0%. [……]
What is Stainless Steel
Stainless steel is the name of a high alloy steel used mainly for its anti-corrosion properties. [……]
History of Stainless Steel
Sheffield, England born Harry Brearly discovered stainless steel in 1913. In an experiment, he found that steel’s corrosion [……]
What is Corrossion?
Stainless steel is susceptible to certain types of corrosion despite the fact that one of the main reasons for using stainless steel is its resistance to corrosion. [……]
Stainless Steel Categories
Stainless steel is divided into 5 main categories. These are Austenitic, martensitic, ferritic, duplex and precipitation hardening.[……]
alloy steel pipes
SunnySteel is a merchant exporter and supplier of alloy steel pipes and alloy steel tubes used for many different purposes. We are specialized in offering precision engineered alloy steels, which are used in various engineering applications and can be availed in various grades like.[……]
MSS SP-75 fittings
MSS SP-75 specification covers factory-made, seamless and electric welded carbon and low alloy steel, butt-welding fittings for use in high pressure gas and oil transmission and distribution systems, including pipelines, compressor stations, metering and regulating stations, and mains.[……]
the pipe fittings
Pipe fitting is the occupation of installing or repairing piping or tubing systems that convey liquid, gas, and occasionally solid materials.[……]
American Society for Testing and Materials
American Society for Testing and Materials (ASTM), is an international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services.[……]
Fittings prologue
Pipe fittings are made from pipes, plates and forging material, which are used to change of direction & connected pipe size and diverge from main piping service.[……]
MSS SP-75 – Specification for High-Test, Wrought, Butt-Welding Fittings
MSS SP-75 specification covers factory-made, seamless and electric welded carbon and low alloy steel, butt-welding fittings for use in high pressure gas and oil transmission and distribution systems, including pipelines, compressor stations, metering and regulating stations, and mains.[……]
Manufacturers Standardization Society (MSS)
MSS(Manufacturers Standardization Society) is the only organization in the world dedicated exclusively to the technical needs of the valve and fittings industry. Standards and codes are written and revised by 25 technical committees and address topics such as valves, valve actuators, pipe fittings, flanges, and pipe hangers.[……]
UOE pipes manufacturing process
The UOE mill is the best suitable process to meet customers’ requirements by virture of the characteristic of high production efficiency, stable product quality and various accessories for manufacturing and inspection.[……]
NORSOK standards
The NORSOK standards are developed by the Norwegian petroleum industry to ensure adequate safety, value adding and cost effectiveness for petroleum industry developments and operations.[……]
MSS SP-97, Socket Welding, Threaded, and Buttwelding Ends
MSS SP-97 Standard Practice covers essential dimensions, finish, tolerances, testing, marking, material, and minimum strength requirements for 90 degree integrally reinforced forged branch outlet fittings of buttwelding, socket welding, and threaded types.[……]
ASME B16.11, Forged Fittings, Socket-Welding and Threaded
ASME B16.11 Standard covers ratings, dimensions, tolerances, marking and material requirements for socket-welding and threaded forged fittings. [……]
What Is Butt-Welding?
Butt-welding is the process of joining two pieces of material together along a single edge in a single plane. This process can be used on many types of materials, though metal and thermoplastics are the most common. When two sheets of steel are laid side-by-side and joined together along a single joint, this is an example of butt-welding.[……]
ISO, the International Organization for Standardization
ISO (International Organization for Standardization) is the world’s largest developer of voluntary International Standards. [……]
ANSI/ASME B16.25, Buttwelding Ends
ANSI/ASME B16.25 Standard covers the preparation of butt welding ends of piping components to be joined into a piping system by welding. It includes requirements forwelding bevels, for external and internal shaping of heavy-wall components, and for preparation of internal ends (including dimensions and tolerances).[……]
ASME B16.28, Buttwelding Short Radius Elbows and Returns
ASME B16.28 Standard covers ratings, overall dimensions, testing, tolerances, and markings for wrought carbon and alloy steel buttwelding short radius elbows and returns. The term wrought denotes fittings made of pipe, tubing, plate, or forgings.[……]
ASME B16.9, Factory-Made Wrought Steel Buttwelding Fittings
ASME B16.9 Standard covers overall dimensions, tolerances,ratings, testing, and markings for factory-made wrought buttwelding fittings in sizes NPS 1⁄2 through NPS 48 (DN 15 through DN 1200).[……]
ASTM A403 Standard Specification
ASTM A403 Standard specification covers the standard for wrought austenitic stainless steel fittings for pressure piping applications. [……]
ASTM A350 LF2 Carbon Steel
ASTM A350-LF2 Temperature range (-50 to 800 deg. F) Where corrosion resistance is not important. This material is heat treated “Forgings of [LF2] shall be furnished in the normalized, or in the normalized and tempered, or in the quenched and tempered condition…”[……]
ASTM A420 Standard Specification
ASTM A420/A420M-07 Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service.[……]
How to bend square steel tube?
Hollow steel tube can be challenging to bend without making it buckle and crimp. Smiths have developed a variety of techniques and equipment to solve the problem. [……]
UNS S32615
UNS S32615 is a high silicon containing austenitic stainless steel. It was developed by Sandvik exclusively for use in concentrated sulphuric acid. [……]