1.4441 stainless steel
We produce ASTM/ASME Grade 304, Grade 304L,304h, 316, 316L, 316H, 316TI, 321, 321H, 309S, 309H, 310S, 310H, 410S, 2205, 904L, 2507, 254, gh3030, 625, 253MA, S30815, 317L, Type 317, 316lN, 8020, 800, 800H, C276, S32304 and others special requirement stainless steel grade.
STD and SCH 40 are the same in sizes via 10-inch; in sizes above 10-inch, STD has a wall of 3/eight-inch. XXS has no corresponding schedule quantity, but in sizes via 6-inch, XXS has a wall thickness twice as thick as XS. Stainless metal schedules 40S and 80S are similar with carbon metal designations Std and XS, respectively, by way of 12-inch.
Tube fittings are essential to hydraulic methods, connecting tubing and hose to pumps, valves, cylinders, and other elements. Modern connectors ship years of leak-free efficiency regardless of high working pressures, strain spikes, corrosion, vibration, and different abuse.
Currently, API and ISO are the international standards for merchandise intended for worldwide use within the petroleum and natural gas industry. API and ISO specifications include provisions when casing is used as tubing. Early corrosion on cell equipment has become a serious trade problem with the preference to use cheaper carbon metal fittings rather than dearer stainless-steel.
2000mm, 2438mm,2500mm,3000mm,6000mm,or required
Stock Thickness: 0.1-200.0mm
Production thickness: 0.5.0-200mm
Width: 600-3900mm
Length: 1000-12000mm
Grade:
200 series: 201,202
300 series: 301,304,304L,304H,309,309S,310S,316L,316Ti,321,321H,330
400 series: 409,409l,410,420J1,420J2,430,436,439,440A/B/C
Duplex: 329,2205,2507,904L,2304
Surface: No.1,1D,2D,2B,NO.4/4K/hairline,satin,6k,BA,mirror/8K
How much does steel tubing weight per foot?
The sleeve permanently attaches to the tube either mechanically (by flanging) or by brazing. As the nut tightens onto the fitting body, it compresses the O-ring between the body and flat face of the tube flange (or braze sleeve) to form a tight seal.
Stainless metal pipes, which were coming into more common use within the mid twentieth century, permitted the usage of thinner pipe partitions with much much less danger of failure as a result of corrosion. By 1949 thinner schedules 5S and 10S, which have been based on the strain necessities modified to the closest BWG number, had been created, and other “S” sizes adopted later. Due to their thin partitions, the smaller “S” sizes cannot be threaded collectively based on ASME code, however have to be fusion welded. The American Petroleum Institute (API) developed Specifications, Recommended Practices, and Bulletins for steel tubing that meet the most important needs of the oil and fuel trade. This effort continues, and lots of of those documents (with modifications) have turn out to be International Organization for Standardization (ISO) documents.
- The European and international designation equal to NPS is DN (diamètre nominal/nominal diameter/Durchmesser nach Norm), in which sizes are measured in millimetres, see ISO 6708.
- Stainless steel is robust and has wonderful chemical and corrosion resistance.
- NPS is commonly incorrectly referred to as National Pipe Size, as a result of confusion with the American commonplace for pipe threads, “national pipe straight”, which additionally abbreviates as “NPS”.
- Nominal Pipe Size (NPS) is a North American set of ordinary sizes for pipes used for prime or low pressures and temperatures.
Nps Tables For Selected Sizes
45° flares hook up with onerous tube or hose, are typically brass, and utilized in air conditioning, refrigeration, and water techniques. Though generally thought of to be 3,000-psi fittings, 37° flare fittings have working strain starting from 1,500 to 7,000 psi, relying on dimension, configuration, and materials. Installation requires inserting a small size of tube into the fitting.
These ports typically have either metric parallel threads (according to DIN and ISO ) or BSPP threads (DIN and ISO ). A broad number of male ends with elastomers, metal washers, or simply steel-to-steel contact are used with these ports. Flat-face parallel threaded ports are usually found on tools manufactured or designed in Asia and Europe.
Straights are usually machined from cold drawn, hexagonal, or generally round bar inventory. Because forgings are single-piece development, they haven’t any potential leak paths, which can happen with a two-piece brazed becoming. Also, forged fittings are usually stronger as a result of they are not limited by the energy of the brazed joint. This added power sometimes produces longer life and better-pressure ratings than brazed fittings.
We have thousands tons stock of stainless steel sheet and coil with various size and grade,mainly include austenitic stainless steel, martens stainless steel (including precipitation hardened stainless steel sheet & coil), ferritic stainless steel, and duplex stainless steel.
Characteristics of Stainless Steel Sheet and Plate:
High corrosion resistance
High strength
High toughness and impact resistance
Temperature resistance
High workability, including machining, stamping, fabricating and welding
Smooth surface finish that can be easily clean