Seamac Piping Solutions Inc
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254 SMO Flanges

254 SMO Flanges

Product Details:


Product Description

254 SMO Flanges:

 Material Specfication and Dimension Standards:

Product Category

Material Specification as per ASME/ASTM

Forged Flanges

ASME SA182/182M FS31254, ASTM A182/182M FS31254

 Size Range:

Dimension Standards

Size Range



1/2" to 24"

150# to 2500#


12" TO 60"

150# to 900#

ASME/B16.47/API 605

26" TO 60"



1" TO 24"

300# TO 2500#

BS 3293

26" TO 48"

150# TO 600#

ASME B16.48 / API 590

1/2" TO 24"

150# TO 2500#


2 1/6" TO 30"

2000 PSI TO 20000 PSI


DN10 TO DN3600

PN6 TO PN160

 Notes : We can meet other dimensions outside the above mentioned range in special cases.

 Why choose Us:

  • More than 30 years of expirience in this business
  • You can get stock options, mill deliveries with shortest manufacturing time
  • we assure you of as response in 24 hours (generally in same hour)
  • You will get the right material as per your requirement at the minimum possible price, (beware of unrealistic offers from other vendors)
  • 100% Fulfilment of commitments, if we cannot meet your requirement even after checking all options we will not give false assurance, this helps us in maintaining good relations with our customers
  • We can offer Exworks, FOB, CFR, CIF, Door to Door Delivery prices. We suggest that you let us do the shipping, because it will be cost effective as well as efficient
  • The materials we supply come with full traceability, right from raw material test certificate to final dimensional report. (Reports available on request)


Other Names

UNS S31254

Alloys 254, 254 SMO, 6MO, 6 MO, 1.4547, X1CrNiMoCuN20-18-7, 6Moly, 6 Moly, 6% Moly


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  • 254 SMO is widely used for seawater application such as cooling seawater, colling water pipes, ballast water systems and systems fighting fire.
  • 6MO, SMO254, 254 SMO hydraulic tubing and tube fittings are extensively used
  • 254SMO plays a very important role in pulp bleaching plants
  • Components in gas cleaning systems

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