Duplex Seamless Stainless Steel Tubing Polished / Pickled Surface ASTM A789 UNS S31803
Price:
Negotiable
MOQ:
Negotiation
Delivery Time:
25-35 days
Brand:
Y & G
Product Description
Duplex Seamless Stainless Steel Tubing Polished / Pickled Surface ASTM A789 UNS S31803
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
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
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Y & G International Trading Company Limited
Location
Room 2117, Building C, Wanda Plaza, NO. 58 Xinhua West Street, Tongzhou District, Beijing, China 101100
Contact Person
Yana Dong