ASTM A403 254 SMO Threadolet manufacturer & exporter

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Home / Products / Nickel Alloys / 254 SMO / ASTM A403 254 SMO Threadolet

Contents

1 ASTM A403 254 SMO Threadolet Specification
2 ASTM A403 254 SMO Threadolet Dimensions
3 ASTM A403 254 SMO Threadolet Godown
4 ASTM A403 254 SMO Threadolet Marking & Packaging
5 ASTM A403 254 SMO Threadolet Shipping Policy
6 Why choose us for ASTM A403 254 SMO Threadolet
7 Best Offer ever on ASTM A403 254 SMO Threadolet
8 ASTM A403 254 SMO Threadolet Price (at Factory Price)
9 ASTM A403 254 SMO Threadolet Uses & Application

254 SMO (UNS S31254)

Our clients can avail from Kalikund Steel & Engineering Co. Industrial Corporation, a wide range of SMO Threadolet that is fabricated from nickel alloy. These Threadolet are hot dip galvanized and electro polished, and thus are reliable in performance and functional for longer time.

ASTM A403 254 SMO Threadolet

ASTM A403 254 SMO Threadolet

Specifications

Standards Designation
ASTM A 403
ASME SB 403

ASTM A403 254 SMO Threadolet Inventory Stock at factory rate:-

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Dimensions

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

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
Costa Rica
USA
Canada
Angola
Sri Lanka
Russia



     
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