254 SMO Products, DIN/EN/ASTM/ASME

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Specifications

Alloy Common Name Related Specifications Tensile Strength Proof Stress Elongation
British European United States
Alloy 254 254SMO   1.4547 ASTM A479/A473,
/A240 S31254
F44
655
[95]
305
[44.2]
35

Specifications of Alloy 254
  • Alloy 254 to MLA-MPS-254-BAR
  • ASTM A479 Bar UNS S31254
  • ASTM A276 Bar UNS S31254
  • ASTM A182 Forgings UNS S31254 F44
  • ASTM A240 Plate S31254

Chemical Specification of Alloy 254

Elements C Cr Fe Mo Mn N Ni Nb P S Si V
Minimum   19.5 REMAINDER 6.0   0.18 17.5          
Maximum 0.02 20.5   6.5 1.0 0.22 18.5   0.03 0.01 0.8  

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

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

Machining Advice of Alloy 254 - Hot worked and precipitation hardened

Operation Cutting Speed m/min (ft/min) Feed Rate
mm/rev (in/rev)
Depth of cut mm (in)
Milling 18 (58) 0.13-0.25 mm/tooth
0.005-0.010 in/tooth
0.2-3.0 (0.007-0.12)
Drilling 6.4mm(1/4") dia 250rpm 0.075(0.003)  
Drilling 12.7mm(1/2") dia 250 rpm 0.125(0.005)  
Drilling 25.4mm(1") dia 150 rpm 0.28(0.011)  
Turning - Roughing 30 - 45 ( 100 - 150 ) 0.4-0.5 (0.015-0.020) 2.5 (0.1)
Turning - Finishing 50 - 60 ( 165 - 200 ) 0.13-0.20 (0.005-0.008) 0.5 (0.02)
Tooling

Milling/Turning: Carbide (SANDVIK GC 235, SECO T25M)

Drilling: HSS, point angle 118°, chisel angle 120°

Alloy Comparisons

Alloy Comparisons S20910 S32205 N05500 S31254 FERRALIUM 255-SD50
(0.2% Proof Strength, N/mm2) 420 510 690 325 610

Corrosion Rate (mm.y-1)Seawater

<0.01 <0.01 <0.18 <0.01 <0.01

Corrosion Rate (mm.y-1)10% sulphuric acid at 80°C

0.7 0.4 0.1 <0.15 <0.15

Corrosion Rate (mm.y-1) Boiling 50% nitric acid

0.18 <0.15 0.15 <0.15 <0.15
Wear Properties related to Hardness (HRC) RC27 RC25 RC20 RC27 RC27

KEY Features of Alloy 254

  • Resistant to crevice corrosion in seawater
  • Excellent corrosion resistance in seawater and concentrated halide environments
  • High resistance to stress corrosion cracking
  • Good resistance to erosion corrosion
  • Excellent ductility and impact strength at both ambient and sub-zero temperatures
  • Low magnetic permeability

254 SMO Products Price

Check below aproximate price for our customers who are intrested to buy 254 SMO Products

254 SMO Seamless Pipe
FOB Price: US $100-4000 / Ton

254 SMO Seamless Tube
FOB Price: US $1000-6000 / Ton

254 SMO Welded Pipe
FOB Price: US $0.1-10 / Piece

254 SMO Welded Tube
FOB Price: US $1999-3999 / Ton

254 SMO Sheets
FOB Price: US $13000-16000 / Ton

254 SMO Plates
FOB Price: US $750-7500 / Ton

254 SMO Bars
FOB Price: US $1000-6000 / Ton

254 SMO Rods
FOB Price: US $10-200 / Kilogram

254 SMO Butt Weld Fittings
FOB Price: US $100-9500 / Piece

254 SMO Forged Fittings
FOB Price: US $10-3800 / Piece

254 SMO Threaded Fittings
FOB Price: US $1-100 / Piece

254 SMO Flanges
FOB Price: US $5-100 / Kilogram

254 SMO Wire
FOB Price: US $6-30 / Kilogram

Contact Siddhagiri to buy 254 SMO Products

KIndly contact us or fill the enquiry form to send your enquiry / request for catalog or request for product sample.

Quick contact information

Contact SiddhagiriSiddhagiri Metals and Tubes
161/163, Dr. M.G. Mehitura Marg,
3rd Kumharwada Mumbai,
Maharashtra-400 004 (India)


T :+(91)-(22)- 23865529 / 66109206
Fax :+(91)-(22)-23866944
E-Mail : sales@siddhagiri.net
Visit us: www.siddhagiri.net

quick enquiry form


We've been manufacturing 254 SMO Products since 2002. Our operations are ISO 9001:2008 certified, and we can deliver a 20-foot container order in 3-4 weeks. Browse through our Product Showroom, and then send us your inquiries. Here, we always reply within 24 hours. For urgent requirement you can email to sales@siddhagiri.net

Competitive Advantages

  • OEM Capability
  • Large Product Line
  • Reliability
  • Reputation
  • Buyer's Specifications Accepted
  • Prompt delivery

Main Export Market

  • Eastern Europe
  • North America
  • Mid East/Africa
  • Central/South America
  • Asia
  • Western Europe
  • Australasia
  • UAE

Sales Locations

U.A.E,
Oman,
Saudi Arabia,
Qatar,
Bahrain,
Egypt,
Turkey
Singapore,
Thailand,
Malaysia
Indonesia
Poland
Italy
Portugal
Spain
Brazil
Chile
Venezuela
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USA
Canada
Angola
Sri Lanka
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Global market we export to:
In order to provide quality 254 SMO Products to our clients of the nation we have taken the initiative to import so as to supply them materials of world's best mills and corporations. This has helped us to strive for establishing ourselves firmly in all our market segments.

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