Tricon Steel & Alloys is the largest supplier and manufacturer of ASTM A335 P12 Seamless Pipe, renowned for its exceptional quality and versatility across multiple industries. From chemical processing and petrochemicals to pharmaceuticals and more, these pipes emerge as the top-tier solution, demonstrating unparalleled durability and performance in vital applications.

ASTM A335 P12 is a grade of seamless ferritic alloy steel pipe intended for high-temperature service. It belongs to the ASTM A335 standard, which covers seamless ferritic alloy-steel pipe for high-temperature service. The "P" in P12 stands for "grade," while the number "12" indicates the minimum chromium content, which is 1% and the minimum molybdenum content, which is 0.4%. This composition enhances corrosion resistance and provides good tensile strength and creep-rupture properties at elevated temperatures.

One of the main advantages of ASTM A335 P12 seamless pipes is their resistance to high pressures and temperatures, which makes them ideal for refineries, petrochemical plants, and power generation. These pipes are frequently found in pipelines, heat exchangers, and steam boilers, all operating under high pressure and temperature conditions.

Applications for ASTM A335 P12 seamless pipes can be found in petrochemical, refinery, and power generation industries, among other sectors that demand high temperatures and high-pressure conditions. They are often found in heat exchangers, fluid and gas pipelines, and steam boilers. They are appropriate for critical applications where performance and safety are crucial because of their exceptional mechanical qualities, resilience to corrosion, and dependability.

ASTM A335 P12 Seamless Pipes

ASTM A335 P12 seamless pipes undergo rigorous testing to ensure compliance with the specified standards and to guarantee their quality and reliability. Testing methods include chemical analysis, mechanical properties testing (such as tensile strength, yield strength, and elongation), hardness testing, and non-destructive testing (such as ultrasonic testing, eddy current testing, and hydrostatic testing). These tests are conducted to verify the material's chemical composition, mechanical properties, and structural integrity.

ASTM A335 P12 Seamless Pipes Specifications

Pipe Specifications ASTM A335 / ASME SA335
Dimensions ANSI/ASME B36.19M, ANSI/ASME B36.10M
Seamless Pipe & Tube Size 1 / 8" NB - 24" NB
Outside Diameter 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock
Shape Hydraulic, Round, Rectangle, Square, Hex, Honed
Heat Treatment Normalized, Normalized & Tempered
Manufacturing Techniques Seamless, Hot-Dipped Galvanized
Thickness Range SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Pipes End Types Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends)
Pipe Length Standard, Double & In Cut length also
Value Added Services Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing
Packing Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
Specials Sizes and Specifications other than above can be on request

ASTM A335 P12 SEAMLESS PIPES Manufacturing Process

The Rolling and Welding Stage

To begin our process, we first need to go through the rolling and welding stage. The stainless steel is placed through a checking process and cut at the edges in this stage.

Cleaning and Warming Stage

The rolled stainless steel pipes thus manufactured are cut to the required lengths depending upon the industrial demand.

Cold-Drawing Stage

Sometimes, the required size isn’t obtained when the steel is brought through the mill directly. When using the cold-drawing process, the desired size is achieved when the pipes and tubing are coated with oxalic and soap solution and dragged over die plugs—the oxalic and soap solution help reduce friction when going through the cold cycle.

The Finishing Process

The final process is the finisher. Once the process of manufacturing stainless steel pipes and tubing is completed, you’ll now have to take them to a jet printer.

Pipe Manufacturing Process

ASTM A335 P12 Seamless Pipes Equivalent Material

STANDARD WERKSTOFF NR. UNS TRADE NAME
CrMo P12 1.7335 K11562 13CrMo4-5

ASTM A335 P12 Seamless Pipes Chemical Composition

Grade C Mn Si P S Cr Mo
P12 0.05 - 0.15 0.30 - 0.60 0.50 - 1.00 0.025 max 0.025 max 1.00 - 1.50 0.44 - 0.65

ASTM A335 P12 Seamless Pipes Mechanical Properties

Element Tensile Strength, MPa Yield Strength, MPa Elongation, %
P12 415 min 220 min 30 min

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Types Of ASTM A335 P12 Seamless Pipes

Alloy Steel P1 Seamless Pipe

Alloy Steel P12 Seamless Pipe

Chrome Moly P1 Pipe

Chrome Moly P12 Pipe

Alloy Steel P1 High Pressure Pipe

Alloy Steel P12 High Pressure Pipe

Alloy Steel P1 Round Pipe

Alloy Steel P12 Round Pipe

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