Specification NPS 1/8''-24'' WT SCH 5S-160 Delivery time 10-20 Days Section ...    More ...

Specification


NPS 1/8''-24''
WT SCH 5S-160
Delivery time 10-20 Days
Section shape Round
Technique Hot rolled/cold rolled
Package Seaworthy Standard Package




Overview

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SS 904L pipes, also known as UNS N08904, are made up of a high amount of chromium, nickel and iron, which offer superior corrosion resistance, strength and toughness. It has low carbon content, copper and molybdenum, contributing to its excellent resistance to pitting and crevice corrosion.It's also well-suited for use in environments that require resistance to elevated temperatures and high levels of corrosion.
Which industries used?

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  Chemical processing
  Oil and gas
  Pharmaceutical
Chemical composition

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The high chromium content promotes and maintains a passive film which protects the material in many corrosive environments. 904L has a greater resistance to precipitation of ferrite and sigma phases on cooling and welding than other stainless steels containing molybdenum such as 316L and 317L. There is no risk of intercrystalline corrosion on cooling or welding due to the low carbon content. Its maximum service temperature is at 450°C.


Grade
CrNiCSiMnPSMoCuFe
904L19.0-23.023.0-28.00.02Max1.0max2.0max0.045max0.035 max4.0-5.01.0- 2.0balance

Mechanical Properties

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904L has good formability and weldability characteristics due to its low carbon content. It also offers good toughness and strength at both room temperature and elevated temperatures. Additionally, it exhibits excellent fatigue strength even after prolonged exposure to high temperatures.


GradeTensile Strength
KSI (min.)
Yield Strength 0.2% Offset KSI (min.)Elongation % in 2ʺ(50.8 mm)Hardness
(Brinell) MAXHardness
(Rockwell B) MAX
904L71313570-90150

Physical Properties (Room Temperature)

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This type of steel has good ductility and excellent machinability properties, which make it easy to work with when fabricating parts or components from this material. It also has excellent thermal expansion properties, making it suitable for cryogenic environments or high-temperature applications where thermal shock can occur.


Specific Heat (0-100°C)450J.kg-1.°K-1
Thermal Conductivity11.5W.m -1.°K-1
Thermal Expansion15.8μm/μm/°C
Modulus Elasticity190GPa
Electrical Resistivity9.52Ohm-cm
Density7.95g/cm3
Application

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Energy Chemical industry
Mechanical Engineering
Automobile Industry
Rail Transit Equipment
Steamship production
Bridge Engineering

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