Alloy Steel ASTM A182 F5 F9 F11 F12 F22 Flanges ASTM A182 Low Alloy Steel flanges

Common Trade Names: Nickel Alloy 36, Invar 36®, Nilo 6®, Pernifer 6®
Invar 36® is a nickel-iron, low expansion alloy that contains 36% nickel, Invar 36 has a low coefficient of expansion from cryogenic temperatures to about +500°F (260°C).
Invar 36 Tube OD:0.2-6mm, WT: 0.02-2mm

Nilo Alloy 36, W.Nr 1.3912, Invar 36® is a nickel-iron, low controlled expansion alloy that contains 36% nickel and possesses a rate of thermal expansion approximately one-tenth that of carbon steel.
Invar 36 Specifications: UNS K93600, W.Nr 1.3912

Nilo / Alloy K W.Nr.: 1.3981
UNS: K94610 ASTM F15
Fixed-expansion glass-encapsulated iron-nickel-cobalt alloys, Kovar alloys, have a linear thermal expansion coefficient similar to that of hard glass within a certain temperature range
For mating sealing with hard glass

Despite adding these elements, low alloy steel flanges aren’t necessarily difficult to weld. The key to achieve a successful performance of the welding operation is by knowing exactly what type of low-alloy steel you have.

ASTM A 182 Alloy Steel GR F11 Round bars are generally considered less robust than stainless steel alloys, and their price plays an important role in the purchase.

The addition of elements such as silicon and manganese through heat treatment provides alloyed steel with improved properties and additional benefits, such as increased corrosion resistance or increased reliability. Alloy steels are also found in applications where their response to magnetism is important, such as in transformers and electric motors.

ASTM A335 P22 pipe specifications include seamless “chrome molybdenum” alloy steel pipe and alloy steel pipe. Chromium is an important compound in stainless steel. Any steel with 12% or more chromium is considered stainless steel. Unrivaled chromium resists oxidation at high temperatures.

ASTM A335 P91 Alloy Steel Pipe and High Pressure Boiler Tube are the two variants available, the range depends on the size, which only depends on the application. Pipe lengths will be hydrostatically tested and non-destructively tested to specification.
volume_up
content_copy

share
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.19
Material Alloy Steel ASTM A333 Grade 3, Grade 6,Grade 8,Grade 9
ASTM A335 P5,P9,P11,P12,P22,P91,P125

ASTM A335 gr P91 seamless pipe has the advantage of being dimensionally accurate, which in turn is suitable for applications that require high precision. The petrochemical industry, oil and gas industry, power plants and refineries often involve high temperatures and pressures.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.25

Other than carbon, these contain in them substantial quantities of nickel, manganese, chromium, silicon, tungsten, vanadium, molybdenum.

The composition of the chrome-molybdenum alloy steel pipe in A335 makes it ideal for power plants, refineries, petrochemical plants and oilfield services that transport fluids and gases at extremely high temperatures and pressures.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.19
Material Alloy Steel ASTM A333 Grade 3, Grade 6,Grade 8,Grade 9
ASTM A335 P5,P9,P11,P12,P22,P91,P119

Alloy steel sounds like: steel that contains a specific amount of alloying elements. Generally, alloying elements make steel stronger and more resistant to shock or stress. While the most common alloying elements include nickel, chromium, molybdenum, manganese, silicon and copper, many other alloying elements are also used in the production of steel.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.42

A335 grade P5c pipe is a low alloy carbon steel (Cr-Mo) self-quenching in air where high hardness and residual stress are required for welding and it is not recommended for direct use in services requiring critical conditions. This situation requires the application of post weld heat treatment (PWHT). If you want to avoid PWHT then you can use preheat (120¡ãC) when soldering A335 grade P5c tubes. PWHT is required if the thickness of ASTM A335/ASME SA335 P5c alloy steel pipe is greater than 13 mm.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.19
Material Alloy Steel ASTM A333 Grade 3, Grade 6,Grade 8,Grade 9
ASTM A335 P5,P9,P11,P12,P22,P91,P149

The material contains carbon, manganese, phosphorus, sulfur, silicon, 8% chromium and molybdenum in a mixture. SA 335 grade P5 alloy steel pipe has similar strength to most austenitic stainless steel grades, with a minimum yield strength of 205MPa and a minimum tensile strength of 415MPa.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.19
Material Alloy Steel ASTM A333 Grade 3, Grade 6,Grade 8,Grade 9
ASTM A335 P5,P9,P11,P12,P22,P91,P120

Commercially pure wrought Nickel with good mechanical properties over a wide range of temperature and excellent resistance to many corrosives, in particular hydroxides.

Good resistance to corrosion in acids and alkalis and is most useful under reducing conditions. Outstanding resistance to caustic alkalis up to and including the molten state. In acid, alkaline and neutral salt solutions the material shows good resistance, but in oxidizing salt solutions severe attack will occur. Resistant to all dry gases at room temperature and in dry chlorine and hydrogen chloride may be used in temperatures up to 550C. Resistance to mineral acids varies according to temperature and concentration and whether the solution is aerated or not. Corrosion resistance is better in de aerated acid.

Our 4310 seamless pipes implement strict quality specifications and strictly follow every level of production. So this allows us to take our quality goals to a higher level. Every product is tested to national and global quality standards. In addition, we also provide customers with specific tests according to their application requirements.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.39

SA335 material is available in different pressure grades, SA335 P11 material is special in that it can be used in most high pressure and high temperature services. In this range there are seamless pipes and welded pipes, which are used for different requirements.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.54

The A335 p12 material composition includes carbon up to 0.05 ¨C 0.15, manganese up to 0.30 ¨C 0.61, sulfur and phosphorus up to 0.025, silicon up to 0.5, chromium 0.80-1.25 and molybdenum up to 0.44-0.65. This steel shall meet the specified chemical composition, tensile properties and hardness requirements.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.66

ASTM specifications recommend a minimum Charpy impact value for ASTM A320 L7 Stud Bolts to be 20-ft-lbf @ -150F. The Charpy impact test determines the total amount of energy that is absorbed by a material during fracture, thereby indicating the material¡¯s notch toughness.

The corrosion resistance of SA 335 P91 seamless pipe is much higher than that of carbon steel. Grade P91 is a reference for the chemical composition of alloy steels. A chromium-molybdenum steel, the chemical composition of ASTM A335 P91 alloy steel pipe consists of 9% chromium and 1% molybdenum and vanadium.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.22

A182 alloy flange has good dimensional accuracy.

A335 P22 is a seamless tube made of ferritic alloy stainless steel. Chemically, the alloy of SA335 P22 material contains trace amounts of carbon, manganese, sulfur, silicon and phosphorus. The main additives in the alloy are molybdenum and chromium, which give stainless steel excellent mechanical properties. Tensile strength, corrosion resistance, hardness and other properties are enhanced and improved. Molybdenum reduces the brittleness caused by the addition of chromium.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.19
Material Alloy Steel ASTM A333 Grade 3, Grade 6,Grade 8,Grade 9
ASTM A335 P5,P9,P11,P12,P22,P91,P132

B16.11 Forged Fittings, Socket-Welding and Threaded ASTM B366 specification covers Inconel, Monel, Hastelloy and Nickel Alloy Pipe Fittings used in acidic and sea water.

Alloy steel is steel that is alloyed with a variety of elements in total amounts between 1.0% and 50% by weight to improve its mechanical properties. Alloy steels are broken down into two groups: low alloy steels and high alloy steels. The difference between the two is disputed. Smith and Hashemi define the difference at 4.0%, while Degarmo, et al., define it at 8.0%.[1][2] Most commonly, the phrase “alloy steel” refers to low-alloy steels.

Pipe to ASTM A335 P11 can be cold drawn or hot rolled. Each tube shall be reheated for heat treatment – fully or isothermally annealed, normalized and tempered at a temperature not lower than 1200¡ãF (650¡ãC). Each pipe length shall be hydrostatically tested to ASTM A335 P11, along with dimensional inspection and visual inspection. Longitudinal or transverse tensile tests, flattening tests or bending tests are carried out for each heat.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.19
Material Alloy Steel ASTM A333 Grade 3, Grade 6,Grade 8,Grade 9
ASTM A335 P5,P9,P11,P12,P22,P91,P129

Among alloy steel grades, when metals like Nickel, Chromium and Molybdenum along with other alloying element content consist of less than 10.5% of the total alloy percentage, they are defined as low alloy steels.Generally, most low alloy steel flanges possess a precise chemical composition.

WPHY 52 Fittings are recommended be heat treated by one or more of the following procedures: annealing (stress relieving), normalizing, normalizing and tempering, quenching and tempering.Made utilizing high-grade crude materials, these ASTM A860 WPHY Pipe Fittings are anti-corrosive and strong.

The addition of molybdenum increases the softening resistance of sa335 grade p5. It also prevents grain growth. In addition, molybdenum increases the resistance to brittleness that can occur in chromium steels. This chrome molybdenum alloy a335 p5 steel pipe is ideal for applications that carry fluids such as oil, water and gas at very high pressures and temperatures. astm a335 p5 alloy steel pipe is ideal for forming operations such as bending and flanging, and fusion welding.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.65

Nuts with a nominal size over 1 inch shall be a UNC Series Class 2B fit or an 8 UN Series Class 2B fit. High strength ASTM A194 grade 2H nuts are common in the market and are often replaced by ASTM A563 grade DH nuts due to the limited availability of DH nuts in certain diameters and finishes.

In case pipeline maintenance, we can remove screws on the flange, take away corresponding pipes or valves. Meanwhile to replace new pipes and valves.

The addition of chromium and molybdenum to a182 grade f9 enhances the corrosion resistance of the flange.

These are available in different types such as Slip On Flanges., Blind Flanges, Weld Neck Flanges, Socket Weld Flanges, Orifice Flanges, Spectacle Blind Flanges, Screwed / Threaded Flanges, Reducing Flanges, and Ring Type Joint Flanges (RTJ).

Bolts are chrome molybdenum heat treated steel according to ASTM A193 B7m specification for bolts. The primary alloy components of ASTM A193 Grade B7 bolts are chromium and molybdenum. These ASTM A193 B7 Metric Bolts are manufactured by heat quenching and tempering. Heat treating A193 B7 bolt material helps to develop desired mechanical properties such as increased tensile strength of ASTM A193 B7 hex bolts after heat treatment.