Astm A790 / A789 UNS S31803 Duplex Pipe Tube

$5,500.00 $5,400.00

ASTM A790 / A789 Uns S31803 duplex pipe tube is a duplex stainless steel tube with good chloride stress resistance, Uns s31803 contains 21% Chrome 4.5% nickel and 2.5% molybdenum.Kcm Special Steel will supply exact and excellent duplex s31803 duplex tube and pipe.

In stock

Description

Description

ASTM A790 / A789 UNS S31803 DUPLEX PIPE TUBE BRIEF INTRODUCTION

ASTM A790 / A789 Uns S31803 duplex pipe tube is a stainless steel tube with good chloride stress resistance, Uns s31803 contains 21% Chrome 4.5% nickel and 2.5% molybdenum.

ASTM A790 Uns S31803 duplex pipe tube is duplex stainless steel pipe and a medium alloy duplex stainless steel with good chloride stress resistance. Medium alloy type – the representative grade is UNS S31803 (22Cr-5Ni-3Mo-0.15N); S31803 duplex steel pipe is in three kinds of dual phase steel (2205 duplex stainless steel pipe, 2507 duplex stainless steel pipe, S31803 duplex stainless steel seamless tube) is the most widely used.

Name ASTM A790 / A789 UNS S31803 Duplex pipe tube     Material: Stainless steel

Properties: Good chloride resistance stress Representative   grade: UNS S31803

S31803 duplex pipe tube products scope

  1. ASTM A790 UNS S31803 Duplex stainless steel pipe
  2. ASTM A790 UNS S31803 Duplex pipe seamless
  3. ASTM A790 UNS S31803 Duplex tube seamless
  4. ASTM A790 UNS S31803 Duplex pipe welded / welding
  5. ASTM A790 UNS S31803 Duplex tube welded / welding
  6. ASTM A789 UNS S31803 Duplex pipe welded / welding
  7. ASTM A789 UNS S31803 Duplex tube welded / welding
  8. 31803 Duplex pipe fittings
  9.  31803 Duplex pipe elbow
  10.  31803 Duplex pipe reducer
  11.  31803 Duplex pipe tee
  12.  31803 Duplex pipe cap
  13. 31803 Duplex pipe flange

ASTM A790 / A789 Uns S31803 duplex pipe tube chemical composition

C≦0.030;Si≦1.00;Mn≦2.00;P≦0.030;
S:0.020;Ni:4.50~6.50;Cr:21.00~23.00;Mo:2.50~3.50;N:0.08~0.20

ASTM A790 / A789 Uns S31803 duplex pipe tube features

PREN value 32 to 33
The corrosion resistance of the medium alloy type UNS S31803 is between AISI 316L and 6% Mo+N austenitic stainless steel.
Yield strength is about 2 times stronger than 18-8 austenitic stainless steel.

ASTM A790 / A789 Uns S31803 duplex pipe tube application
  • Neutral Chloride Environment
  • Refining Industry
  • Petrochemical and Chemical Industry
  • Chemical Industry Conveying Pipeline
  • Oil & Gas Industry
  • Pulp and Paper Industry
  • Fertilizer Industry
  • Urea Industry
  • Phosphate Fertilizer Industry
  • Seawater Environment
  • Energy and Environmental Protection Industry
  • Light Industry And food industry
  • food and pharmaceutical industry equipment
  • high-strength structural parts