Email : sales@ramdevsteel.net
Tel. : + 91-22 -2380 4327/ 6610 9321

SMO 254





Ramdev Steel Engineering maintains one of the world’s largest 254 SMO Seamless Pipe -pipe & tubes inventories include stainless steels, duplex, super duplex, nickel & mixed alloys, carbon steels and low alloys for energy and industrial applications.

254 SMO (UNS S31254) may offer a cost effective solution to Nickel and Titanium alloys in these environments.

Applications of Alloy 254

Chemical Process Industry: Urea Production, Organic and Fatty Acids, High halide concentrations
Marine Industry and Shipbuilding: Piping, Pumps, Valves, Heat exchangers
Oil and Gas Industry: Heat exchangers, Piping, Valves, Pumps
Pulp and Paper Industry: Bleach plant, vats, drums, press rolls, piping
Power Industry: Flue gas scrubbers
Desalination plant: Piping, Condensers

Alloy 254 Features

  • High strength compared to 316L and 317L austenitic stainless steels
  • Excellent ductility and impact strength at both ambient and sub-zero temperatures
  • Non-magnetic
  • Higher resistance to abrasion, erosion and cavitation erosion than 316 and 317 stainless
  • Listed in MR-01-75 for sour service oilfield applications

Chemical Specification of Alloy 254

Elements C Cr Fe Mo Mn N Ni Nb P S Si V
Minimum 20.5 REMAINDER 1.5 4.0 0.2 11.5 0.1 0.1
Maximum 0.06 23.5 3.0 6.0 0.4 13.5 0.3 0.45 0.3 1.0 0.3

Basic Properties of Alloy 254- Mechanical Properties

0.2% Proof Stress (N/mm2 )[ksi] minimum
300 [43.5]
Ultimate Tensile Strength (N/mm2) [ksi] minimum
650[94.2]
Elongation (%) minimum
35
Hardness (HBN)
270 max
Reduction of Area(%) minimum
50

Physical Properties of Alloy 254

Density (Kg.m-3)
8000
Magnetic Permeability
<1.05
Young’s Modulus (N/mm2)
200 x 103
Specific Heat 20°C (J.Kg-1.°K-1)
500
Electrical resistance, 20°C (µ.O.m)
0.85
Thermal conductivity, 20°C (W.m-1.°K-1)
13.5

In what form is smo 254 available at Ramdev Steel Engineering?

  • Bar
  • Wire
  • Sheet
  • Plate
  • Forgings
  • Pipe
  • Flanges