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ASTM431 stainless steel round bars produce and supply
May 26, 2017

431 has the highest corrosion resistance of all the Martensitic stainless steels, and while not as high as the austenitic stainless steels it is in certain corrosive environments similar to that of 301 and 302 grades.NB. It has optimum corrosion resistance in all environments in the hardened and tempered condition, and is not therefore recommended for use in the annealed condition. It is most important that oxygen is always allowed to circulate freely on all stainless steel surfaces to ensure that a chrome oxide film is always present to protect it. If this is not the case, rusting will occur as with other types of non stainless steels.For optimum corrosion resistance surfaces must be free of scale and foreign particles.
Finished parts should be passivated.

  • Model NO.: 431,UNS43100,

  • Standard and related specifications:

    USA: ASTMA276-98b 431 ,SAE51431 AISI431,UNS43100

    Australia AS2837-1986 431,

    Germany:W.Nr 1.4057 X20CrNi17 2,

    Great Britain:BS970 Part3 1991 431S29,BS970-1995 EN57

    Japan:JISG4303 Sus431

  • Technique: Hot Rolled,Peeled, Cold Drawn
    Turned and Polished, and
    Centreless Ground

  • Surface Treatment: Polished

  • Application: valves,making bolts nuts,finished machining,shafts,Petroleum, chemical, construction, textile, medicine, aviation, aerospace, railway, highway, landscape protection, metallurgical machinery and others 

  • Delivery Time: 7-30days usually according to the quantity.

  • Surface: Bright,Pickled,Black

  • Transport Package: Wooden Box or in bundles

  • Origin: China

  • Type: Round

  • Composition: 








  • Length: 1-6m

  • Certificate: MTC

  • Specification: φ 10-400mm

  • Quality:Our production equipment 24 hours of continuous temperature work, to ensure the unity of the product roundness, elongation, tensile strength and yield strength.  Welcome customers to our company to detect the products before shipment. For the customers who are not inconvenient, quality assurance can be laid down in the contract, we will take charge of the returning and shipping fee if there is any problems of the product quality, so it will dismiss any of your worry about our products

  • Payment:TT


    When you need stainless steel bars bright round,stainless steel black bars,please do not hesitate to contact us!

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