Loading Port:Tianjin
Payment Terms:TT OR LC
Min Order Qty:100 m.t.
Supply Capability:3000 m.t./month
1、Structure of Stainless Duplex Seamless Steel Pipe 31500 Description:
Duplex Stainless steel pipe and tubing are used for a variety of reasons: to resist corrosion and oxidation, to resist high temperatures, for cleanliness and low maintenance costs, and to maintain the purity of materials which come In contact with stainless. The inherent characteristics of stainless steel permit the design of thin wall piping systems without fear of early failure due to corrosion.
2、Main Features of the Duplex Seamless Steel Pipe 31500:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
•Reasonable price
3、Duplex Seamless Steel Pipe 31500 Images：
4、Duplex Seamless Steel Pipe 31500 Specification：
Detail infomation
Standards: ASTM/ASME A789/SA789, A790/SA790,A450,A530
Material: UNS S31803(Cr22Ni5Mo3/1.4462)/2205,UNS S32750(1.4410),UNS S31500(Cr18NiMo3Si2),
UNS32760(1.4501)
Chemical Composition
Grade | C max | Si max | Mn max | P max | S max | Cr | Ni | Mo | N |
UNS S32750 | 0.030 | 0.8 | 1.2 | 0.030 | 0.015 | 24.0-26.0 | 6.0-8.0 | 3.0-5.0 | 0.24-0.32 |
UNS S31803 | 0.030 | 1.0 | 2.0 | 0.020 | 0.020 | 21.0-23.0 | 4.5-6.5 | 2.5-3.5 | 0.08-0.20 |
UNS S31500 | 0.030 | 1.0 | 1.2-2.0 | 0.030 | 0.030 | 18.0-19.0 | 4.5-5.5 | 2.5-3.5 | 0.05-0.10 |
Physical Properties
Grade | Y.S.MPa min | T.S.Mpa min | Elongation % | Hardness HRC |
UNS S32750 | 550 | 800 | 15 | 20 |
UNS S31803 | 450 | 620 | 25 | 20 |
UNS S31500 | 440 | 630 | 30 | 20 |
Supplementary Testing :
we also carry out on the manufactured products supplementary testing.
Radiography Testing |
Macro Testing |
Liquid Penetrate testing |
5、FAQ of Duplex Seamless Steel Pipe 31500：
①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.
③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
Any question, pls feel free to contact us !
