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Super Duplex S31803 Stainless Steel Pipe Seamless SS Tube
S31803 duplex stainless steel tube is a medium alloy duplex stainless steel with good chloride stress resistance .
Product introduction:
| Commodity | Super Duplex S31803 Stainless Steel Pipe Seamless SS Tube |
| Grade | S31803 |
| Brand | TISCO ,BAOSTEEL,POSCO,JISCO,LISCO |
| Certification | SGS,BV,IQI,TUV,ISO,etc |
| Wall Thickness | 2-30mm |
| Outside diameter | 6-630mm |
| Length | 1000-6000mm |
| Surface | pickled |
| Technique | seamless |
| Standard | ASTM,AISI,SUS,JIS,EN,DIN,GB, ASME,etc |
| Delivery time | About 15 -30 days or based on the sales contract |
| MOQ | 1 Ton |
| Advantages | Neutral chloride environment, oil refining industry, petrochemical and chemical industry, chemical industrial pipelines, oil and gas industry, pulp and paper industry urea fertilizer industry, phosphate fertilizer industry, the water environment, energy and environmental protection industry, light industry and food industry, food and pharmaceutical industry equipment, high strength structure |
Chemical Composition:
| Grade | Chemical Composition (WT %) | ||||||||
| Carbon | Manganese | Phosphorus | Sulfur | Silicon | Chromium | Nickel | Mo | N | |
| S31803 | ≤ 0.03 | ≤ 2.00 | ≤ 0.030 | ≤0.020 | ≤ 1.00 | 21.0 - 23.0 | 4.50-6.50 | 2.50-3.50 | 0.08-0.20 |
Physical Property:
| Physical Property | |||||
| Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation % | Elastic Modulus | Hardness | Density |
|
680-880 |
500
| ≥25 | / |
≤28HRC
| 7.98g/cm3 |
S31803 duplex stainless steel tube is a medium alloy duplex stainless steel with good chloride stress resistance. Medium alloy type - representative grade is UNS S31803(22CR-5Ni-3Mo-0.15N); S31803 duplex steel tube is most widely used in the three types of duplex steel (2205 duplex stainless steel tube, 2507 duplex stainless steel tube, S31803 duplex stainless steel seamless tube).
Typicall material :
| Seamless and redrawn | |||
| ASTM Grade | UNS no. | Condition | Specifications |
| 304 | S30400 | Hard | AMS 5566/5564 |
| 304 | S30400 | Hard | MILT 5695 |
| 304 | S30400 | Hard | LN 9396 |
| 304 | S30400 | Hard | LN 9398 |
| 304 | S30400 | Annealed | MILT 8504 |
| 304L | S30403 | Hard | AMS 5569 |
| 304L | S30403 | Hard or annealed | AIR 9164 |
| 304L | S30403 | Hard or annealed | AIR 9160 |
| 304L | S30403 | Annealed | AIR 9423 |
| 304L | S30403 | Annealed | AIR 9424 |
| 321 | S32100 | Annealed | AMS 5645, AMS 5557/5570 |
| 321 | S32100 | Hard or annealed | AIR 9164 |
| 321 | S32100 | Hard or annealed | AIR 9160 |
| 321 | S32100 | Annealed | AIR 9423 |
| 321 | S32100 | Annealed | AIR 9424 |
| 321 | S32100 | Annealed | BSI T67 |
| 321 | S32100 | Annealed | LN 9396 |
| 321 | S32100 | Annealed | MILT 8808 |
| 321/347 | S34700 | Annealed | LN 9398 |
| 347 | S34700 | Annealed | AMS 5571/5556 |
| 347 | S34700 | Hard | BSI T68 |
| 347 | S34700 | Annealed | BSI T66 |
| 347 | S34700 | Annealed | BSI T72 |
| 347 | S34700 | Annealed | MILT 8808 |
| 304/304L | S30400/S30403 | Hard | MILT 6845 |
| 304L/321/347 | S30403/S32100/S34700 | Annealed | MILT 8606 |
| 304L/316L/321/347 | S30403/S32100/S34700 | Hard | MILT 8973 |
| Alloy 625 | N06625 | Annealed | AMS 5581 |
| Alloy 718 | N07718 | Annealed | AMS 5590 |
| Nickel 200 | N02200 | Annealed |
|
SCH Table:
Surface Finish:
Packaging:
Super Duplex S31803 Stainless Steel Pipe Seamless SS Tube Packaging Details:
1: Pipes be covered with waterproof protective packing materials;
2: Then be bundled with strips together;
3: Well loaded and be transported to the loading port.
The inner size container as below:
1:20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high) about 24-26CBM ;
2:40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM ;
3:40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM.
Product display:
WHY CHOOSE US:
Q1: What is your terms of payment?
A: 30% T/T in advance, the balance 70% before delivery. We will show you the photos of products and package before you pay the balance.
Q2: what is the terms of delivery?
A: FOB, CIF, CFR,
Q3: What is the terms of packing?
A: generally, we pack our goods in bundles or coils with rods or belts, we could also pack the goods as the customers' requirement.
Q4: What is your delivery time?
A: For stocks, we could transport the goods to loading port within 7 days after we received your deposit.
For production period, it usually takes about 15 days-30 days after receiving the deposit.
Q5: Could you produce according to the samples?
A : Yes, we could customer-made by your samples or technique drawings, we could build the mold and fixtures.
Q6: Could you provide the samples?
A: yes, we could provide the free samples on conditons it is available in stocks, however, the the transportation fee is borne by buyer.