duplex pipe

Value added service
Third party inspection
Bright annealed, polished outside and inside surface

 

Mill test certificate: according to EN 10204 3.1B

Package: knitting strip bundle, wooden box or steel box

Length: unbending length or fix length

Marking: JW, material grade, standard, specification, heat no.

 

31

25

620

450

S31803

31

15

800

550

S32750

HRC 

Hardness

%

Elongation

Mpa min

T.S.

MPa min

Y.S.

Grade

Physical Properties

 

 

0.08-0.20

2.50-3.50

4.50-6.50

21.0-23.0

0.020

0.030

2.0

1.0

0.030

S31803

0.5max

0.24-0.32

3.0-5.0

6.0-8.0

24.0-26.0

0.015

0.030

1.2

0.8

0.030

S32750

Cu

N

Mo

Ni

Cr

max

S

max

P

max

Mn

max

Si

max

C

Grade

Chemical Composition

 

Product Description:
Duplex stainless steel tubes & pipes are with high mechanical strength, good elongation and weld ability which needs no pre-heating before welding and heat treatment after welding, low thermal expansion, excellent resistance to stress corrosion cracking, pitting and crevice corrosion, and high resistance to general corrosion in different environments. Duplex stainless steel tubes & pipes are applied to heat exchangers in refinery industries, petrochemical plants, paper & pulp industries, sugar & beverage industries.

Standards: ASTM/ASME A789/SA789, A790/SA790
Grade: UNS S32750, S31803, etc.

duplex pipe

duplex pipe
Standards: ASTM/ASME A789/SA789, A790/SA790
Grade: UNS S32750, S31803, etc.

  • Grade:duplex
  • Certification:ISO
  • Steel Grade:duplex
  • Type:Seamless
  • Brand Name:JW
  • Place of Origin:Shanghai China (Mainland)
  • Standard:JIS, AISI, ASTM, DIN, EN
  • Country:China (Mainland)
  • telephone:86-21-62666697
Delivery Time: 30 days
Package: wooden box or steel box, or follow with customer's require.
Supply Ability: 2000 Metric Ton per Year
Minimum Order Quantity: 300 Meter
Payment Terms: L/C,T/T
Port: SHANGHAI
Fob Price: US$12-22SHANGHAI
Grade: duplex
Certification: ISO
Steel Grade: duplex
Type: Seamless
Brand Name: JW
Place of Origin: Shanghai China (Mainland)
Standard: JIS, AISI, ASTM, DIN, EN
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