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.
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 |