Gold Member Since 2015
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Dingxiang C&N Huarui Forging Co., Ltd.

Uns S31803 Pipe, Uns S31803 Tube, 1.4462 Tube manufacturer / supplier in China, offering Duplex Stainless ASTM A790 Duplex Steel S31803 Seamless Pipe, SA335 P92 Seamless Steel Pipes, 304 304L 316 316L Stainless Steel Tubes and so on.

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Supplier Homepage Product C&N STAINLESS STEEL PIPE Duplex Stainless ASTM A790 Duplex Steel S31803 Seamless Pipe

Duplex Stainless ASTM A790 Duplex Steel S31803 Seamless Pipe

FOB Price: US $7,000 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $7,000/ Ton
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Port: Shanghai, China
Production Capacity: 1000tons/Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: ASTM A790
  • Technique: Cold Drawn
  • Section Shape: Round
  • Trademark: C&N
  • Specification: ASTM
  • Type: Seamless
  • Usage: Pipeline Transport, Chemical Industry
  • ASME SA789/SA789m: Uns S31803
  • Transport Package: Wooden Case
  • Origin: China
Product Description
ASME SA789/SA789M ( ASTMA789/A789M )
General use standard specification for seamless and Welded Ferritic / austenitic stainless steel tube
ASME SA790/SA790M ( ASTMA790/A790M )
Seamless and Welded Ferritic / austenitic stainless steel tube
1.Outer Diameter: 1/4" - 16" 
2.Wall thickness:1 mm-50mm 
3.Length: 6 metre or as per customer request 

Chemical Composition
 CMnPSCrMoSiNiNS 31803Min %Max %1.4462Min %Max %
    21,002,50 4,500,08
ASTM A 790 (S 31803)
    21,002,50 4,500,100

Physical properties
PropertyValueDensity: kg/dm3Hardness: HB 30Brinell
Hardness Rockwell C
290 (S 31803-ASTM A 790)
30,5 (S 31803-ASTM A 790)

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