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

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

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

ASTM A182 F12 alloy steel flanges also contain niobium to prevent sensitization and resulting intergranular corrosion.

Our alloy steel ASTM A182 F5 butt weld flanges can be used in auxiliary industrial high pressure services such as condensers, boilers, evaporators, heat exchangers and more.

Grades 7, 7M, 8 and 8M have 8-10% nickel added. Grade 8 material lacks molybdenum, but Grade 8M ASTM A194 2h material contains all the elements mentioned in the composition, making it the strongest and most expensive class of materials in this grade.

Producing Standard
ASME B18.2.2
DIN 934 

We warmly welcome our regular and new clients to join us for ASTM Seamless Tee B366 (WP20CB, UNS N08020, Alloy20).

They can also be seamless in nature. The nominal diameter of the seamless fittings ranges from ? inches to 24 inches and the welded fittings range from ? inches to 120 inches in diameter.

ASTM A182 F5 flanges are a method of connecting pipes, valves, pumps, and other equipment to form a piping system. It also facilitates cleaning, inspection or modification.

We are a manufacturer, supplier and exporter of Plate Flanges, which are accepted by major industries as a cost-efficient alternative to other types of flanges whose cost increases due to its expensive production pattern.

ASTM A335 is the standard specification for seamless ferritic alloy steel pipe for high temperature service. Covers server levels: P1, P2, P5, P5b, P5c, P9, P11, P12, P15, P21, P22, P23, P91, P92, P122, of which P5, P9, P11, P22, P91, P92 are used in practice the most extensive. This specification covers nominal and minimum wall chrome-molybdenum (also known as Cr-Mo or Cr-Moly) alloy steel pipes for high temperature applications. Pipe ordered to this specification shall be suitable for bending, vanstoning and similar forming operations, and fusion welding. ASTM A335 P11, P22, P91 and P92 are commonly used in power plants and the chemical and petrochemical industries, while P9 and P5 are mainly used in oil refineries.
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,P106

Chrome alloy steel flanges are manufactured in accordance with ASTM A182 F11/F12 and are widely used in nuclear power plants, power plants, water systems, electric power, oil fields, pipeline engineering, natural gas, marine engineering, shipbuilding and other industries. These flanges are harder and stronger than regular steel, but not as corrosion resistant as stainless steel.

Stainless steel is a versatile alloy is considered to be amongst the most widely used metals across the world.Stainless Steel A403 WP304 contains higher chromium and low carbon content.

The A182 F9 Alloy Steel Blind Flanges are used to close a connection opposed to all other flanges which extend the pipeline. Alloy Steel ASTM A182 F9 Flanges is connected to the pipe by welding the pipe to the neck of the pipe flange. However, the inside diameter of ASTM A182 F9 Alloy Steel Flanges is being designed to match the inner diameter of the pipe.

The manufacturing process of A860 WPHY 52 includes heat treatment.

ASTM A182 F91 is an American standard Martensite type heat-resistant steel forgings, according to ASTM A182-2016.

Alloy steel seamless pipes are widely used in medium and low pressure fluid pipelines, casings, boiler tubes, oil and gas industry, chemical industry, power generation industry, transformers, agriculture, bearings, general engineering, automobiles, hydraulics, railways, mining, construction, aviation Aerospace, medical, defense and electric motors. P91 alloy steel is mainly used in the power industry. For welded structures, the ASME Boiler and Pressure Vessel Code limits the carbon content to less than 0.35%. Alloy steels are ideal for applications that require higher strength, tougher or better wear resistance than standard carbon steel grades.

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

We are committed to supplying high quality A335 alloy tubes to our esteemed customers at the most reasonable price. Following the principles of Total Quality Assurance is our risk. In pursuit of total quality, we have developed a quality specification and quality assurance work plan.
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 B36.38

Chrome molybdenum flanges provide higher levels of chromium and molybdenum. The added chromium helps improve the hardenability and corrosion resistance of the steel, while the added molybdenum helps to enhance its toughness and corrosion resistance.

At elevated temperatures, conventional steels, unlike ASTM A 335 P91 pipes, begin to lose their microstructural form, leading to failure. A burst or crack in the pipe is a visible fault. But since SA 335 P91 chrome-plated welded pipe is well suited to sustain itself at high temperatures, failure rates are extremely low.
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 B36.20

Blind flanges have the face thickness of a flange, a matching face type, and similar bolting pattern.

We also provide various alloy steel ASTM A182 F5 flanges, such as ASTM A182 F5 slip-on flanges, alloy steel F5 butt weld flanges, F5 alloy steel socket weld flanges, A182 F5 alloy steel blind flanges, alloy steel F5 Orifice Flange, A182 Alloy Steel F5 Blind Flange, A182 F5 Threaded/Threaded Flange, Alloy Steel F5 Reducing Flange, ASTM A182 F5 Alloy Steel Ring Type Joint Flange (RTJ) etc.

The Welding neck flanges are available across various materials. These materials will have to be as per the Standards set. The materials also should be as per the quality specified by the ASTM or ASME standards.

HASTELLOY C-276 alloy is available in the form of plates, sheets, strips, billets, bars,
wires, pipes, tubes, and covered electrodes.

The production of ASME SA182 F9 flanges will be done using alloys with lower carbon content. Reducing the carbon content in these alloys reduces the formation of carbide precipitates. This basically means that alloy steel F9 flanges will no longer be susceptible to intergranular corrosion in the heat affected weld zone.

A335/SA335 materials are used in a wide variety of plants and processes worldwide, including refineries, power plants, petrochemical plants, hydrocrackers, cokers, high temperature and ultra-high temperature lines, reheat lines, distillation, oil field service, and more.
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,P144

The ASTM A320 Grade L7 specification covers stainless steel bolting materials for low temperature service. This standard cover rolled, forged, or strains hardened bars, bolts, screws, studs, and stud bolts used for pressure vessels, valves, flanges, and fittings.

We use state-of-the-art technology to precisely manufacture flanges such as ASTM A182 Class F5 Socket Weld Flanges. Buying an ASME SA182 F5 flange or any other flange from us will guarantee quality, economy and precision.

After hot working, forgings should be cooled to a temperature below 1000¡ãF (538¡ãC) prior to heat treatment in accordance with ASTM A182. Low alloy steels and ferritic and martensitic stainless steels shall be heat treated in accordance with ASTM A182.

These ASTM A182 alloy steel F12 flanges are corrosion resistant. ASTM A182 alloy steel F12 flanges also have high dimensional accuracy.

ASTM A320 Grade L7M bolts and studs are also made from quenched and tempered alloy steel.

S32205 is a duplex stainless steel with twice the strength of austenitic stainless steel. Duplex stainless steel composed of 21% chromium, 2.5% molybdenum and 4.5% nickel-nitrogen alloy. It has high strength, good impact toughness and good overall and local stress corrosion resistance. The yield strength of duplex stainless steels is twice that of austenitic stainless steels, a feature that allows designers to reduce weight when designing products, making this alloy more affordable than 316, 317L. This alloy is particularly suitable for use in the -50¡ãF/+600¡ãF temperature range. For applications outside this temperature range, this alloy can also be considered, but there are some limitations, especially when applied to welded structures. Duplex stainless steel has twice the compressive strength compared to austenitic stainless steel, and designers can reduce its weight compared to 316L and 317L. Alloy 2205 is particularly suitable for use in the -50¡ãF/+600¡ãF temperature range, and can also be used at lower temperatures under severe restrictions (especially for welded structures).