High Temperature & Pressure Pipes

QY Pipe supplies premium seamless alloy steel pipes engineered for extreme high-temperature and high-pressure service. This category includes ASTM A106 Gr.B carbon steel pipes, ASTM A335 P-series chrome-molybdenum alloy pipes (P11, P22, P91, P92, P5, P9), and ASTM A213 T-series boiler and heat exchanger tubes — the standard choice for power plants, refineries, and petrochemical facilities worldwide.

  • ASTM A106 Gr.B – High-temperature boiler and steam piping
  • ASTM A335 P11/P22/P91/P92 – Supercritical power plant piping
  • ASTM A213 T11/T22/T91/T92 – Boiler superheater and heat exchanger tubes
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