Chrome Moly Pipe

A335 specification pipe are classified as . pipe has high Tensile Strength, Corrosion resistance and has High Temperature Strength so it majorly used in Power Generation Industries and Petro Chemical industries. is derived from Chromium -Molybdenum, which is also, know as Cr-Mo Steel Pipe. This pipe are Intended for High Temperature and high Pressure Service. Chrome-Moly Alloy Steel pipe has a better strength to Weight ratio than Other steel, which enables us to use thinner wall pipe or smaller diameter pipe to reduce overall weight. are also known as Alloy pipe

General Abbreviations of chrome moly pipe are chrome-moly, cro-moly, CrMo, CRMO, CR-MOLY.

These pipe bear high resistance to rupture at high temperature and pressures. With hydrogen crack resistance and sulfide stress corrosion cracking chrome moly pipe are highly preferred over Carbon pipe.

ASTM A335 is often called as chrome moly pipe because of the chemical contain of Molybdenum (Mo) and Chromium (Cr). Molybdenum increases the strength of steel and Chromium (or chrome) is the essential constituent of stainless steel. The composition chrome moly alloy steel pipe make it ideal for use in power plants, refineries, petro chemical plants, and oil field services where fluids and gases are transported at extremely high temperatures and pressures.

  • Strong resistance to rupturing at high temperatures and high pressures
  • May be used for Hydrogen Sulfide Corrosion Services
  • Resistant to cracking from hydrogen attack and embrittlement
  • Resistant to hot sulfide corrosion cracking
  • Can be used for NACE Applications where sour environments are under high temp and pressure
  • Can be used in NACE-MRO 175 Sour Service
  • Ideal for creep rupture applications
  • Can handle high temperatures with very low elasticity

Applications
Chrome moly pipe under ASTM & ASME specification A/SA 335 P1, P2, P11, P12, P15, P22, P91, P92, P122 are used for power industries whereas ASTM/ASME A/SA 335 P5, P9 are used for petrochemical industries

Certification
Chrome Moly pipe are certified as PER DIN 50049 3.1, /3.2 and NACE MR-0175 & NACE MR-0103

Size:
½- – 56- Outer Diameter & 15NB – 800NB Nominal Bore. Chrome Moly pipe are supplied in single random length and double random length of 4-7 meters and 7-13 meters respectively.

Piping Component Specifications

Flanges and forged – A/SA 182 F1, F2, F5, F9, F11, F12, F15, F22, F91, F92, F122 Wrought Butt-weld Pipe – A/SA 234 P1, P2, P5, P9, P11, P12, P15, P22, P91, P92, P122

ASME

ASME SA 335 Grade P12 Pipe
ASME SA 335 Grade P1 Pipe
ASME SA 335 Grade P2 Pipe
ASME SA 335 Grade P5 Pipe
ASME SA 335 Grade P5b Pipe
ASME SA 335 Grade P5c Pipe

ASME SA 335 Grade P9 Pipe
ASME SA 335 Grade P11 Pipe
ASME SA 335 Grade P15 Pipe
ASME SA 335 Grade P21 Pipe
ASME SA 335 Grade P22 Pipe
ASME SA 335 Grade P23 Pipe

ASME SA 335 Grade P24 Pipe
ASME SA 335 Grade P36 Pipe
ASME SA 335 Grade P91 Pipe
ASME SA 335 Grade P92 Pipe
ASME SA 335 Grade P122 Pipe
ASME SA 335 Grade P911 Pipe

ASTM

ASTM A335 Grade P12 Pipe
ASTM A335 Grade P1 Pipe
ASTM A335 Grade P2 Pipe
ASTM A335 Grade P5 Pipe
ASTM A335 Grade P5b Pipe
ASTM A335 Grade P5c Pipe

ASTM A335 Grade P9 Pipe
ASTM A335 Grade P11 Pipe
ASTM A335 Grade P15 Pipe
ASTM A335 Grade P21 Pipe
ASTM A335 Grade P22 Pipe
ASTM A335 Grade P23 Pipe
ASTM A335 Grade P24 Pipe
ASTM A335 Grade P36 Pipe
ASTM A335 Grade P91 Pipe
ASTM A335 Grade P92 Pipe
ASTM A335 Grade P122 Pipe
ASTM A335 Grade P911 Pipe
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