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S31803 Duplex Steel Elbow Pipe Fitting Elbow Concentric Eccentric Reducer Straight Tee Cap

Beijing Hownew Energy Technology Group Co., Ltd

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S31803 Duplex Steel Elbow Pipe Fitting Elbow Concentric Eccentric Reducer Straight Tee Cap

Country/Region china
City & Province beijing beijing
Categories Towel Racks
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Product Details

S31803 Duplex Steel Elbow Pipe Fitting Elbow Concentric Eccentric Reducer, Straight Reducing Tee, Cap,Threadolet, Plug 

  • Overview

    S31803 duplex steel is a nitrogen-enhanced duplex stainless steel alloy that comprises 21% chromium, 2.5% molybdenum, and 4.5% nickel along with nitrogen additions. This unique composition offers exceptional properties and performance.

    The yield strength of S31803 duplex steel is remarkable, being twice as high as that of austenitic stainless steel. This significant strength advantage allows for product designers to reduce the weight of their creations, which in turn gives this alloy a cost-effective edge compared to grades like 316L or 317L. Specifically, S31803 is ideally suited for applications within the temperature range of -50 °F to +600 °F. Although it can be considered for use outside this range, there are limitations, particularly when dealing with welded structures.

    The exceptional performance characteristics of S31803 duplex steel have contributed to its widespread application, making it the most commonly used grade in the duplex steel category.

    Physical and Mechanical Properties of S31803 Duplex Stainless Steel

    S31803 duplex steel's dual-phase density stands at 8.0g/cm3. It possesses a tensile strength of σ B ≥ 620Mpa, ensuring robust performance under various loads. The yield strength of this alloy is σ 0.2 ≥ 450Mpa, highlighting its capacity to withstand deformation without breaking. Furthermore, the elongation rate of S31803 duplex steel is δ ≥ 25%, indicating its ability to undergo significant plastic deformation before fracture.

 

  • Chemical Composition

 

 

  • Pipe fittings Size

 

1/2''-48''(Butt welding, seamless); 16''~110''(welding)

 

  • Application

 

  • Our company can produce carbon steel, stainless steel, and alloy steel pipe fittings according to standards such as ASME/ANSI, JIS, DIN, ISO etc. The varieties include equal diameter tees, reducing tees, tees, elbows, cross, concentric reducer, eccentric reducer etc.

We provide the very best quality pipe and fittings, prompt delivery and reliable services at competitive prices.

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