Alloy A320 L7 L7M Washers commonly used for valves flanges fittings and pressure vessels

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 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

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

Alloy Steel Flanges are made in different steel alloys. The flanges vary in dimensions and types. There are ? inches through 48 inches of nominal diameter sizes of flanges.

ASTM A335 Pipe (ASME S/A335, Chorme-Moly) is a seamless ferritic alloy steel pipe for high temperature service. Pipe ordered in accordance with this specification shall be suitable for bending, vanstoning and similar forming operations, and fusion welding. Sometimes referred to as “P grade”, lilac molybdenum tubing is popular in P grades P5, P9, P11, P22 and P91. The P11, P22 and P91 grades are most commonly used in the power industry and petrochemical plants, while the P5 and P9 grades are often 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,P98

It is a standard specification defining typical chemical composition, mechanical properties, hardness requirement, preferential heat treatment, product marking, certification and other requirements, suitable for bolting used in pressure vessel service, valves, flanges and fittings. ASTM A193 defines both SI (Metric) and inch-pound units.

ASME SA 335 P91 alloy steel pipe also has some excellent properties such as strong construction, precise dimensions, corrosion resistance and more. Our line of ASTM A335 P91 Alloy Steel Pipe is perfectly engineered in tubular form and in a variety of sizes.

Alloy steels are used in boiler construction because they are inexpensive, readily available, easy to form and weld into desired shapes, and, in a wide range, have sufficient resistance to oxidation and corrosion to provide many industries with years of satisfaction service. Alloy steels are used in a range of demanding applications in the aerospace and power (nuclear) industries. Alloy steels are also found in applications where their response to magnetism is important, such as in transformers and electric motors.
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 B36.48

These well-controlled advantages of Astm a182 alloy steel F9 round bars are evident in automated operations where even modest changes in flow temperature can significantly increase the incidence of scrap.

The term “bolting material” as used in this specification covers, rolled, forged or strain hardened bars, bolts, washers, screws, studs and stud bolts.

ASTM A320 L7 Stud Bolts are designed for low temperature performance. These fasteners are commonly used in valves, flanges, fittings and pressure vessels. The ASTM specification recommends a minimum impact value of 20-ft-lbf -150F for ASTM A320 L7 studs.

ASTM A335 pipes (P5, P9, P11, P22, P91 pipes) are known as chrome molybdenum alloy pipes and have been widely used in high temperature and high pressure services in different industries. According to market data, it is one of the most consumed alloy pipes in the boiler industry, heat exchangers, power stations, high pressure and ultra-high pressure vessels.
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,P115

Although acceptable fouling levels are considered beneficial to the alloy, in moderate cases, fouling deposits on Astm A182 F9 flange surfaces can act as a barrier to excessive corrosion. When flanges are produced using specification ASTM A182, they work well at high temperatures, albeit in applications with high pressure.

Flanges belonging to ASTM specification are subdivided into various grades that define the properties inherited by these flanges. Also,The ASTM A182 F9 Flanges are having higher versatility degree. The flange is thinner in size and easily fits into compact work spaces and is economical as compared to various other flanges.

The flanges can be threaded, ring type joint, lap joint, weld neck or socket welded.

B7 and B7M shall be heat treated by quenching in a liquid medium and tempering. For B7M fasteners, the final heat treatment, which may be the tempering operation if conducted at 1150 ¡ãF [620 ¡ãC] minimum, shall be done after all machining and forming operations, including thread rolling and any type of cutting.

Alloy steel pipes are used in applications requiring moderate corrosion resistance, good durability, and economical cost. Simply put, alloy pipes are preferred in those areas where carbon steel pipes can fail. There are two types of alloy steel – high alloy steel and low alloy 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 B36.19
Material Alloy Steel ASTM A333 Grade 3, Grade 6,Grade 8,Grade 9
ASTM A335 P5,P9,P11,P12,P22,P91,P126

All chrome molybdenum steel sheets are sedated and heat treated in accordance with ASTM A387, which also specifies minimum and maximum levels of the following elements in steel: Chemicals of Carbon, Manganese, Phosphorus, Sulfur, Silicon, Chromium, Molybdenum, Nickel, Vanadium requirements, columbium, boron, nitrogen, aluminum, titanium and zirconium. A387 boards must undergo product, chemical and tensile testing (documented in the MTC or material test certificate) – must meet specific requirements for tensile strength, yield strength and elongation.

We supply these ANSI B16.5 Plate Flanges to the irrigation industry.

This is useful for selecting bolts with different strength levels for different high pressure and high temperature applications. ASTM A193 grade b7 hex bolts and other types have a minimum tensile strength of up to 125ksi.

Impact strength as well as high surface smoothness are the result of round bar forging of alloy steel DIN 1.7335. Once the materials are forged, they are allowed to cool to the temperature specified by the specification ASTM A 182.

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.

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.

High alloyed types of steel are favored in the plumbing industry for use in extreme conditions, be it hot or cold, or subjected to rough service. This is because a combination of chemistry and proper heat treatment can result in a strong and flexible pipe that can withstand blows. Alloy pipes are often favored by the oil and gas and power generation industries due to their toughness.
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 B36.43

A335 P5, P9, P11, P12, P22, P91 grade alloy steel seamless pipes are individually sheathed in plastic bags, and the pieces are made of waterproof packaging material and tied with nylon ropes. There is a clear label on the outside of the package for easy identification of quantity and product ID with great care during handling and shipping.

Alloy steel UNS K12822 round bars are widely used in numerous industries for the manufacture of different kinds of components. We provide a full range of alloy steel 15Mo3 round bars which are widely used in engineering, construction and other industries.

A335 P9 seamless pipe is a type of chrome molybdenum pipe listed in ASTM A335 (ASME S/A335, Chrome-Moly), which has become the standard in the power generation industry and petrochemical industry, not only because of its tensile strength, corrosion resistance resistance and high temperature strength, but also because of its cost-effectiveness. Chromium molybdenum tubes are popular in P grades P5, P9, P11, P22, P91 and P92. The P11, P22 and P91 grades are most commonly used in the powder industry and petrochemical plants, while the P5 and P9 grades are often 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 B36.66

Alloy Steel Flange Material can differ according to its chemical composition. Low Alloy Steel Flanges are widely used for automotive and aerospace bodies, offshore and onshore structural engineering plates and railway lines.

Alloy Steel F12 Flanges are made up of a chromium molybdenum alloy consisting chromium in a range of 20% to 40% depending on the grading. Also, for Alloy Steel F12 Flanges, there several excellent properties the product is having that is making it the best choice for various critical applications.

The alloy must be cooled for heat treatment prior to AISI AS F11 Hex Bar. All parameters of the heat treatment procedure are set by the specification, including the type of heat treatment, austenitization/solution temperature, and alloy steel F11 A182 bars.

The heat treatment could be heat treated according to any of the WPHY 52 specification by either tempering, normalizing, quenching or stress relieving.A860 refers to the high quality of the fittings.

ASME SA 335 Alloy Steel P91 Pipe also has some other features such as strong construction, dimensional accuracy, rust resistance, etc. We supply these ASTM A335 Alloy Steel P91 Pipes according to customer needs and specifications.
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 B36.58

The plates are annealed in different condition which offers them strength. Since these plates are to be worked at high temperatures and pressure environment therefore the elements included in it matters a lot. What elements are added in the manufacturing add different properties for example, high level of chromium adds excellent corrosion resistance. It also offers excellent oxidation resistance. Resistant to oxygen is important in petrochemical and gas industries and therefore these plates are used.