ANSI Alloy Steel Flanges ASTM A182 flanges Good Flanges to the wet erosion resistance

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

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).

Flange is usually used for connecting pipes or valves, so it can solve the above problems easily.

F11 alloy steel pipe flange is the second most common connection method after welding. Use them when joints need to be disassembled. ASTM A182 Gr F11 flanges provide flexibility for maintenance. It connects pipes with various equipment and valves.

For the F5 flange, the creep strength of the chromium-molybdenum low alloy mainly comes from two sources: the solid solution strengthening of the matrix ferrite by carbon, molybdenum and chromium and the precipitation hardening of the carbides.

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.

A234 WP9 carbon steel pipe fittings are widely used in many different industries. Alloy Steel A234 Gr. WP9 Buttweld Pipe Fittings are a type of pipe fitting made from carbon steel material, which is strong, durable, and resistant to corrosion. These Alloy Steel WP9 Butt weld Pipe Fittings are commonly used for connecting pipes and fixing them into place. ASTM A234 WP9 Pipe Fittings can be used for both small and large-scale projects, making them incredibly versatile and useful.

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.

Steel flanges provide an easy access for cleaning, inspection or modification. They usually come in round shapes but they can also come in square and rectangular forms. The flanges are joined to each other by bolting and joined to the piping system by welding or threading and are designed to the specific pressure ratings; 150lb, 300lb, 400lb, 600lb, 900lb, 1500lb and 2500lb.

A flange can be a plate for covering or closing the end of a pipe. This is called a blind flange. Thus, flanges are considered to be internal components which are used to support mechanical parts.

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.

ASTM A193 Grade B7 Heavy Duty Hex Head Bolts are high strength fasteners made from heat treated alloy steel AISI 4140/4142 quenched and tempered.

Each tube of the A335 shall be hydrostatically tested. In addition, each tube shall be inspected using non-destructive testing methods in accordance with prescribed practices.
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 B36.21

High alloy steel and low alloy steel are two types of alloy steel. Low-alloy steel pipes consist of pipes with an alloying percentage of less than 5%. The alloy content of high alloy steels varies from 5% to about 50%. Similar to most alloys, the working pressure capacity of alloy steel seamless pipe is about 20% higher than that of welded pipe.
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 B36.64

Chromium molybdenum has a better strength-to-weight ratio than steel, which enables designers to use thinner walled tubing or smaller diameter tubing to reduce overall weight.

For A335, chromium is a key ingredient used to make stainless steel. If the chromium content is above 12%, it can be classified as stainless steel. Even at high temperatures, the antioxidant potential of chromium is irreplaceable. Better hardness, tensile strength and yield strength at standard temperature. Due to the material’s composition, it is ideal for use in power plants, refineries, petrochemical plants and other oilfield services involving high temperature and high pressure transportation.
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,P108

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 

ASTM A182 Gr F9 flanges are typically designed for applications with high temperature requirements. Alloys used to produce flanges according to this specification include wrought or rolled alloys and several stainless steel grades.

Chromium molybdenum has a better strength-to-weight ratio than steel, which enables designers to use thinner walled tubing or smaller diameter tubing to reduce overall weight.

It must be slid into the pipe before welding. In this case, it’s a double weld on both sides (i.e. inside and outside), so it provides durability that helps avoid leaks.

Weld Neck Flange is expensive because of its long neck and cost of people for contact WN flange with pipeline or fitting but is preferred for high-stress applications. The necks, or hubs, transmits stresses to the pipeline.

A182 F5 grade slip flanges are known for their low material cost and ease of installation. One of the added benefits of these flanges is that they can also be used as lap flanges if dealing with Type B or C ends.

Chromium Molybdenum Alloy Steel or Chromium Molybdenum, CrMo is an alloy steel used for high temperature and high pressure service.

Alloy seamless pipes are processed by advanced machines and manufactured by hot and cold processing.
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 B36.36

The skills of chromium alloy steel include higher oxidation corrosion rates. In addition to being resistant to oxidation, alloy steel P91 of A335 steel pipe is also able to withstand very high temperatures and can be used in applications involving boilers, heaters, power generation, and more. The above applications work based on elevated temperature, which is why many suppliers recommend alloy steel P91 pipe for the above applications.
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 B36.21

These are flanges with creep strength and high resistance; therefore, steel threaded flanges help them work in the petrochemical industry.

In addition to good corrosion resistance, the addition of chromium and molybdenum to the alloy enhances its ductility.

Its greatest advantage is that it can be assembled without welding, which explains its use in low-pressure service at ordinary atmospheric temperatures and in highly explosive areas where welding creates a hazard.

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

Chromium-Molybdenum alloy steel flanges dimensions has been widely used in the many areas. Their utilization can be seen in areas such as steam power equipment, petrol chemical industry, and high temperature services.

Chromium-molybdenum alloy steel has strong crack resistance under high temperature and high pressure. Chromium molybdenum is also resistant to hydrogen attack and hot sulfide corrosion cracking.

The size of these forgings range from ? NB to 250 NB and length of these forgings is 2mm to 40mm.