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Building 254SMO Solid Round 40mm Stainless Steel Bar Black Or Bright Finish

Place of Origin Jiangsu
Certification ISO
Model Number 254SMO
Minimum Order Quantity 1 ton
Price Negotiation
Packaging Details Standard Seaworthy package or as the customer's requirement
Delivery Time 5-10 working days
Payment Terms Western Union, L/C, T/T
Supply Ability 1000 Ton/Month
Product Details
Shape Round.square.Rectangle,hexgnal Application Building,Supporting System,industry
Steel Grade 254SMO Bars Product Name UNS S31254 Stainless Steel Bar
Surface Black Or Bright Finish
High Light

u channel stainless steel


stainless steel channel

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Product Description


254SMO Solid Round 40mm Stainless Steel Bar Black or Bright Finish


General characteristics :


Ultra 254 SMO is a 6% molybdenum and nitrogen-alloyed austenitic stainless steel with extremely high resistance to both uniform and localized corrosion. This product was developed especially for oil and gas offshore platforms and the pulp and paper industry.


Typical applications :


requiring resistance to chlorinated seawater

Flue gas cleaning 

Maritime exhaust gas cleaning (EGC)  

Bleaching equipment in the pulp and paper industry 

Flanges and valves


Pitting and crevice corrosion Resistance to pitting and crevice corrosion is determined mainly by the chromium, molybdenum, and nitrogen content. Ultra 254 SMO has high amounts of these elements and is suitable for demanding environments like chlorinated sea water. Stress corrosion cracking Resistance to stress corrosion cracking increases with increased content of nickel and molybdenum in particular. This means that Ultra 254 SMO has very good resistance to stress corrosion cracking. 


1. Product: Stainless steel round bar, stainless steel round rods, stainless steel shaft
2. Diameter: From Ø1/4'' to Ø16'' ( Diameter: 6mm~400mm )
3. Length: 1~ 8meters
4. Steel type: 254SMO
5. Standard: ASTM 276, ASTM A564, ASTM A582, ASTM A484
6. Surface: Bright, peeled, CNC machined, polished, or black etc, will be as per customers' request
7. Diameter tolerance: H9, H11, H13, K9, K11, K13 etc…as per clients’ request etc
8. Length tolerance: 0/+50mm
9. Finishing: Solution treated
12. Application: Shipbuilding industry, marine shaft, propeller shaft, transmission shaft
bolt & nuts, machine-made industry, food industry, paper mill equipment.
13. Delivery time Generally within 25 days, as per the q’ty.
14. Certificate: ISO, BV, TUV, SGS, mill test certificate
15. Package: Good quality & fumigated wooden box, can better protect the bars. ( See pictures below )
16. Experience:: We have much experience in producing the stainless steel round bar, enjoy good reputations.


Chemical Composition


Fe Cr Ni Mo C Mn Si P S Cu
balance 19.5 17.5 6.0           0.50
20.5 18.5 6.5 0.020 1.00 0.80 0.030 0.010 1.00


The steel is characterized by the following properties:

  • Excellent resistance to pitting and crevice corrosion, PRE = ≥42.5*
  • High resistance to general corrosion
  • High resistance to stress corrosion cracking
  • Higher strength than conventional austenitic stainless steels
  • Good weldability

Building 254SMO Solid Round 40mm Stainless Steel Bar Black Or Bright Finish 0Building 254SMO Solid Round 40mm Stainless Steel Bar Black Or Bright Finish 1Building 254SMO Solid Round 40mm Stainless Steel Bar Black Or Bright Finish 2