• 08Jan, 2026

    What is P92 material equivalent to

    P92 is a martensitic heat-resistant steel grade in the American ASTM standard system (corresponding to 10Cr9Mo1VNbN in the Chinese national standard GB/T 20492 and X10CrMoVNb9-1 in the German standard

  • 08Jan, 2026

    What is the difference between P91 and P92 material

    P91 and P92 are both 9–12% Cr martensitic heat-resistant steels designed for high-temperature applications, but P92 contains slightly higher chromium, molybdenum, and vanadium, giving it higher creep

  • 08Jan, 2026

    A335 P91 Pipe: 9Cr-1Mo-V Seamless Alloy Steel for High-Temperature Steam Service

    ASTM A335 P91 is a modified 9Cr-1Mo-V seamless alloy steel pipe for pressure parts that operate near 600 degrees C. This article lists the chemistry limits, mechanical properties, heat treatment range

  • 08Jan, 2026

    What size is P91 pipe

    P91 seamless steel pipe is an alloy steel pipe that conforms to the ASTM/ASME A335P91 standard and is mainly used for high-temperature fluid transportation and structural components.

  • 08Jan, 2026

    What Is a P91 Pipe

    A335 P91 is a 9Cr-1Mo-V seamless alloy steel pipe with roughly double the high-temperature creep strength of P22.

  • 07Jan, 2026

    What is a335 p12 pipe specification

    A335 P12 seamless steel pipe is an alloy steel pipe widely used in high-temperature and high-pressure environments, belonging to the P12 grade in the ASTM A335 standard. This type of steel pipe occupi

  • 07Jan, 2026

    What is the composition of A335 p12 pipe

    P12 alloy pipe typically refers to high-pressure seamless pipe material conforming to ASTM A335/ASME SA335 P12 specifications. It is mainly composed of chromium (Cr), molybdenum (Mo), and other elemen

  • 07Jan, 2026

    What is the composition of A335 P22 material

    A335P22 alloy pipe is a seamless steel pipe made of low-alloy chromium-molybdenum steel (Cr-Mo steel). Its main chemical components include carbon (C), manganese (Mn), silicon (Si), phosphorus (P), su

  • 07Jan, 2026

    What is the difference between P11 and P22 material

    P11 and P22 both belong to the ASTM A335M standard, but their specific chemical composition and mechanical properties may differ.

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