ASTM A335 GR P5 P9 P11 P12 P21 P22 P91 Low Alloy Steel Pipe

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

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

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 

Flange connection has good strength and sealing, simple structure and low cost. It can be repeatedly disassembled.

The alloying elements of A335 also impart higher corrosion resistance to the steel pipe. This also makes it the first choice for chemical companies.

Alloy steel is divided into two categories: high-alloy steel and low-alloy steel. Low alloy steel flanges, on the other hand, contain about 0.05 ¨C 0.25% carbon and up to 2.0% manganese.

ASTM A193 Grade B7 specification covers the requirements for high strength alloy steel bolting materials for high temperature or high pressure service and other special purpose applications. It is a standard specification that defines typical chemical composition, mechanical properties, hardness requirements, preferential heat treatment, product marking, certification, and other requirements for bolted connections used in pressure vessel service, valves, flanges, and fittings. ASTM A193 defines SI (metric) and inch-pound units.

ASTM A182 F12 flat bar is a flat rectangular section with square edges of varying sizes. It is suitable for a variety of applications, distributed in engineering, construction, manufacturing, manufacturing, mining, light grids and many other industries.

Chromium and molybdenum are high in A335 pipes. While molybdenum improves overall strength, resistance, elasticity, hardenability and overall quality, molybdenum ensures that the material is more resistant to softening, inhibits grain growth and reduces the chance of embrittlement. It is the only additive that improves the high temperature resistance and also improves the corrosion resistance of the 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,P105

The achievable mechanical properties depend on added elements such as nickel, chromium, molybdenum and vanadium. The following are a series of improved properties of alloy steel (compared to carbon steel): strength, hardness, toughness, wear resistance, corrosion resistance, hardenability and hot hardness. To achieve some of these improved properties, the metal may require heat treatment.

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

Nickel alloy 20 is a low-carbon, niobium-stabilized austenitic nickel/iron/chromium alloy with additions of molybdenum and copper. ASTM B366 specification covers Inconel, Monel, Hastelloy and Nickel Alloy Pipe Fittings used in acidic and sea water.

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

Alloy Steel F12 Flanges is effective in nature and is today found used widely in various applications all across the globe in numbers of industries. Alloy Steel F12 Flanges possesses a great resistance to pitting in chloride solutions, a great resistance to crevice and stress corrosion cracking.

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 ASTM A/ASME SA 335 specification covers seamless ferritic alloy steel pipes for high temperature service. The pipe is mainly used for bending, vanstoning and similar forming operations, as well as for fusion welding.

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.

We offer a variety of ASTM A182 F12 alloy steel round bars to choose from, and these forged bars can be customized according to customer requirements. They are widely used in automotive and other fields due to their excellent quality and unparalleled functionality.

It is available in materials of ASTM A 182, and ASTM A 105. The flanges are available in various grades like ASME B16 47 ¡®A¡¯ Series, and ¡®B¡¯ Series to suit the needs of the clients and the industry.

Fasteners made from this austenitic stainless steel require carbide solution treatment of the bar to be threaded, or carbide solution treatment after the head operation of bolts with forged heads.

The specification for standard ASTM A182 F9 Flanges covers both forged or Rolled Alloy Steel Pipe Flanges & Fittings, that have been designed and manufactured for high temperature service. ASTM A182 F9 Flanges have a minimum chromium content of 18% in the alloy. This makes it survive in temperatures up to 870 degrees Celsius.

The ASTM A333 specification covers carbon steel pipes for low temperature applications. LTCS or Low Temperature Carbon Steel is an alloy covered under this specific specification. A333 carbon steel cryogenic tubing specified by ASTM has moderate tensile properties and good hardness, but low corrosion resistance. The corrosion resistance of the alloy can be improved by using certain surface treatments.
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 B36.41

Since these are heavy duty tension nuts, they are used in high vibration and high stress applications such as aircraft engine parts and automotive engine parts. ASTM A194 Class 2h material consists of all classes of carbon, manganese, phosphorus, sulfur and silicon.

ASTM A182 F5 belongs to the American standard Martensite type heat-resistant steel forgings, implementation standard: ASTM A182-2016

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

A333 P92 steel is American steel grade ASTM A335 P92, which is a martensitic heat-resistant steel. In recent years, it has been widely used in thermal power plants, mainly for main steam pipelines and reheat steam pipelines. The main alloy components are Cr: 9%, Mo: 1%, etc.
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 B36.59

They have a minimum yield strength of 105ksi. There are different types of bolts and bolts for different types of applications such as ASTM A193 gr b7 hex bolts.

ASTM A860 WPHY 60 Fittings are wrought carbon steel fittings that are either seamless or welded with high yield strength. The WPHY 60 indicates that the minimum yield strength of the ASTM A860 WPHY 60 Fittings is 60ksi.

Alloy Steel F9 Threaded Flanges is 100% recyclable, where 50% of new steel is produced using re-softened scrap metal rendering it an Eco-friendly material. There are different classes to indicate the pressure capacities of the flanges. The AS A182 F9 RTJ Flanges are a special type of flanges because they come in two parts that have two rings that are welded to the pipe ends first and then the pipes are brought together by welding.

ASTM A182 Grade F5 Flanges are suitable for connecting pipes of small bore size and without the requirement of welding. ASTM A182 GR F5 Flange belongs to the ASTM A182 specification. The dimensions of the flanges vary according to the ANSI, ASME and DIN standards. The flange sizes range from ? inches to 36 inches in nominal bore sizes. Navstar Steel is a leading supplier and manufacturer of these flanges in various sizes and types.

ALLOYS STEEL SA 182 F9 BAR is a ferritic alloy steel bar, other contents are also considered. These bars are steel forged bars held at high temperature and pressure.

Applications for Alloy Steel A335 P5 EFW Tubing can be seen in petrochemical, oil and gas industrial applications, power plants and other high pressure and high temperature services.
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,P123