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ASTM A789 UNS S31803 Duplex Stainless Steel Tubing Seamless Good Weldability

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ASTM A789 UNS S31803 Duplex Stainless Steel Tubing Seamless Good Weldability

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Brand Name : Y & G

MOQ : Negotiation

Price : Negotiable

Payment Terms : L/C, T/T

Supply Ability : 8000MT/Month

Delivery Time : 25-35 days

Packaging Details : Exporting package/wooden box / per customers’ requirement

Material : S31803

Standard : ASTM A790

Type : Seamless

Length : 18000max.

Inspection : The third party is acceptable

Heat treatment : Solution, Annealed

Surface Condition : Polished, Pickled

Certificate : EN 10204 3.1

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ASTM A789 UNS S31803 Duplex Seamless Stainless Steel Tube

Supply Ability
Supply Ability:
800 Ton/Tons per Month
Packaging & Delivery
Packaging Details
Bundled by nylon sheet , and put into wooden case.
Other packing as per customer requirement.
Port
Shanghai
Size Range:
Outer Diameter Tolerance
6~30 0.15/-0.2
>30-50 ±0.30
≤50 ±0.75%D
Wall Thickness Tolerance
D≤38 20%/t, -0
D>38 22%/t, -0
Bend Tolerance
T≤15 1.5mm
T≤15 1.5mm

Chemical Composition(%)(max.):

UNS

Designation

C Mn P S Si Ni Cr Mo N
S31803 0.03 2.00 0.03 0.02 1.0 4.5-6.5 21.0-23.0 2.5-3.5 0.08-0.20
Tensile and Hardness Requirements:
UNS Designation

Tensile Strength,

min,Mpa

Yield Strength,

min Mpa

Elongation in 2in,

or 50mm, min,%

Hardness, max
HBW HRC
S31803 620 450 25 290 30
Features:
1.Superior resistance to general and local corrosion, especially to stress corrosion, pitting corrosion, crevice corrosion, corrosion fatigue and abrasion & corrosion.
2.Good weldability
3.Good mechanical properties
4.Excellent intergranular corrosion resistance
5.High cost-effectiveness, long life time
ASTM A789 UNS S31803 Duplex Stainless Steel Tubing Seamless Good Weldability

Product Tags:

stainless steel pipe

      

polished stainless steel tubing

      
China ASTM A789 UNS S31803 Duplex Stainless Steel Tubing Seamless Good Weldability wholesale

ASTM A789 UNS S31803 Duplex Stainless Steel Tubing Seamless Good Weldability Images

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