XOOS is providing ASTM A335 P92 alloy steel seamless pipes, which are mainly used for nuclear power plant high-temperature service. P92 pipe a kind of chrome moly pipes listed in ASTM A335, a standard in power generation and petrochemical industry. XOOS supply a full range of A335 chrome moly pipes, also including the minimum wall thickness pipes.
ASTM A335 Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
2. Chemical Requirements
Ni 0.40 max
Al 0.02 max
Ti 0.01 max
Zr 0.01 max
3. Mechanical Properties:
Tensile strength (Mpa)
Yield strength (Mpa)
Elongation, min (%), L.T
Impact Energy (J)
4. Available Size Range
Size available: OD: 88.9~1422mm; WT: 2.11~140mm;
We can also accept additional requirements beyond of standard, including chemical composition:
Content of Pb shall be measured and reported.
Some elements that are required in above table are not required to be reported by the applicable ASME or ASTM specification.
Additional Normalizing Requirement
Normalizing Temperature Range
Minimum Cooling Rage
Wall Thickness (T)
Min. Hold Time after Surface Temperature has exceeded 1900°F (1040°C)
T≤2 in (50mm)
9°F (5°C) per minute above 900°F (482°C)
2 in (50mm)<T≤3 in (75mm)
3 in (75mm)<T≤4 in (100mm)
4 in (100mm)<T≤5 in (125mm)
5 in (125mm)<T≤6 in (150mm)
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