Carbon, manganese, phosphorus, sulfur, silicon, chromium, and molybdenum are the main ingredients of the ASTM A335 P12 Alloy Steel Pipe. Due to its composition, the material can have the mechanical and physical characteristics needed for high-temperature and high-pressure applications. The minimum yield strength and minimum tensile strength of Alloy Steel P12 EFW Pipe in Different Sizes, respectively. Heat treatment is another way to further harden the material. The methods are normalized and tempering, complete annealing, and isothermal annealing. For more details about the ASTM A335 P12 chrome moly pipe and pricing.
Threaded, plain, and beveled end pipe types are among the several pipe endpoints that are offered. The P11 and P12 pipes can be distinguished from one another by their chemical composition.
Chromium concentrations in P11 materials can reach 1.25 percent, while molybdenum concentrations can reach up to 45%, however molybdenum content in P12 materials can only reach 1%. Because of this, the ASTM A335 P12 Seamless Pipe differs from other seamless pipes in terms of corrosion resistance and hardness. Both grades are thought to have minimum yield strengths of 205 MPa and minimum tensile strengths of 415 MPa. The hardness of Alloy Steel P12 Pipes can be increased using a variety of heat treatment methods, including full or isothermal annealing, normalized, and tempered heat treatment.
Specifications of Alloy Steel P12 EFW Pipe:
| Specifications | ASTM A 335, ASME SA 335 |
| Size | 1/8NB TO 24NB IN |
| Type | Seamless |
| Specialized in | Large Diameter Size |
| Outer Dimensions | 19.05mm – 114.3mm |
| Wall Thickness | 2.0mm – 14 mm |
| Length | max 16000mm |
| Schedule | Schedule 20 – Schedule XXS (heavier on request) up to 250 mm thk. |
| Form | Round, Square, Rectangular, Hydraulic Etc. |
| Length | Single Random, Double Random & Cut Length. |
| Tubing End | Plain End, Beveled End, Treaded. |
Welding processes in our alloy steel ASME SA335 P12 ERW pipes should be approved for primary welds and permissible repairs using tests like those in the ASTM standard for qualification. For these Alloy Steel P12 Round Pipes, where such treatment applies to both solution annealing and stress relief, welding should only be done by trained welders. These Rectangular Alloy Steel P12 Pipes’ resistance is a complicated relationship between stress, microstructure, and environment. Our AS ASTM A335 P12 Square Pipes’ propensity to promote stress corrosion may frequently increase in the presence of hydrogen sulfide, leading to sulfide stress cracking (SSC) or hydrogen.
