Astm A387 Gr.91 Sheet 1500-3000-1.6 Sa387 Steel Sa 387 Gr 11 Prime Hot Rolled In Coils Alloy Plate

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

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

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.

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 carbon content of 4140 alloy steel pipe is 0.38-0.43%, the manganese content is 0.75-1.00%, the phosphorus content is 0.04%, the sulfur content is 0.04%, the silicon content is 0.15-0.35%, the chromium content is 0.8-1.10%, and the molybdenum content is 0.8-1.10%. is 0.15-0.25 % maximum in its composition. The material can be heat treated to anneal and normalize in air, or quench and temper in polymer or oil.
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,P138

A182 alloy flange has good dimensional accuracy.

A blind flange is a solid flange as shown below. The purpose of these is to block off a section of pipe or a nozzle on a vessel that is not used.

Too many good properties found in the same product just because of better sheet production. These are high tensile strength, good dimensional accuracy, surface finish, flexibility and durability, withstand heavy loads, strong construction and corrosion resistance. Resistance to corrosion, stress corrosion cracking, crevice corrosion cracking, oxidation/pitting corrosion makes it suitable for a variety of applications.

The minimum yield and tensile strength requirements for ASTM A193 Grade B7m bolts are reduced compared to Grade B7 bolts. ASTM A193 B7 heavy duty hex bolts are readily available in the market. Therefore, A193-B7 studs are used in many applications due to their easy availability. ASTM A193 B7 Studs are commonly used in pipe flange connections and construction.

The key to the P5 composition of chromium-molybdenum alloys is the addition of chromium and molybdenum. Chromium or chromium increases high temperature strength, increases oxidation resistance and increases tensile, yield and hardness at room temperature. Molybdenum improves strength, elastic limit, wear resistance, impact quality and hardenability. It increases resistance to softening, inhibits grain growth, and makes chrome steel less susceptible to embrittlement. Molybdenum is also the most effective additive for increasing high temperature creep strength or creep resistance. It also enhances the corrosion resistance of the steel and inhibits pitting corrosion.
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,P107

The ASTM A333 standard covers seamless walled and welded carbon and alloy steel pipes for cryogenic use. ASTM A333 Alloy Pipe shall be manufactured in a seamless or welded process with no filler metal added during the welding operation.
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 B36.61

Alloy steels are used in a range of demanding applications in the aerospace and power (nuclear) industries. Adding other elements gives alloy steel extra strength.

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.

ASTM A193 Grade B7 is a standard material specification for chromium-molybdenum alloy steel fasteners for use in high tensile, high temperature and special purpose applications.

Due to the higher mechanical properties of a335 gr P91 alloy pipe, it is widely used in these industries. SA 335 gr P91 alloy steel pipes are available in different sizes and shapes. Wall thicknesses vary from 3 to 12 mm depending on the diameter and pressure rating of the 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 B36.26

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

Its versatility is the main reason it can be used in various industries, as well as its excellent strength and formability.

The ASTM A194 specification covers a wide variety of carbon, alloy, and martensitic stainless steel nuts in sizes ranging from 1/4 to 4 inches and metric M6 to M100 nominal. It also covers austenitic stainless steel nuts in the size range of 1/4 inch and M6 nominal and above. These nuts are used for high pressure or high temperature service, or both.

A182 alloy steel flanges are not only suitable for high temperature, but also for high pressure or a combination of the two.

In order to strengthen chromium alloy flanges, elements such as copper, titanium, vanadium and niobium are added to the alloy.

The high chromium content gives these forgings fittings very good resistance to moisture erosion, which also contributes to their high temperature strength and resistance to scaling at high temperatures.

Production of low alloy steel materials of different specifications. A335 is a specification for seamless ferritic alloy steel pipes. These alloy steel seamless pipes are used for high temperature service. There are also high alloy steel materials. There are different grades in this material specification. There are grades P1, P2 to P91 and P92. The most commonly used grades are p5, p9, p11, p22, p91 and p91.
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,P136

A weld neck flange, also called a tapered hub flange or high-hub flange, is a kind of flange that can relocate stress to the pipes, ensuring a decrease in high-stress concentration at the bottom of the flange.

The weld neck flange comprises of a round fitting that extends beyond the rim of the circumference. These flanges, typically manufactured from forging, are actually welded to pipes.

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.

ASTM A193 Grade B7 is the standard material specification for chromium-molybdenum alloy steel fasteners for high-strength, high-temperature, and special-purpose applications. Grade B7 is a heat treated chromium molybdenum alloy steel with a minimum tensile requirement of 100 ksi, a yield strength of 75 ksi and a maximum hardness of 35 HRC. The ASTM A193 specification covers requirements for chemical composition, mechanical properties, hardness, heat treatment, and recommended nut washers for Class B7 fasteners. ASTM A193 Grade B7 is the broadest specification for fasteners, commonly found in bolts or pipes, pressure vessels, valves, flanges and fittings.

The addition of molybdenum strengthens the elastic limit of the A335 p11 welded pipe and increases its temperature strength. In addition to these properties, there is a reduction in brittleness and an improvement in the weldability and hardenability of the 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 B36.48

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

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.

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

Weld Neck Flange is flanges that designed to be joined to a piping system by butt welding. This kind of flange include lots of specification.

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.