JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
| Payment Terms | T/T, Western Union, L/C |
| Supply Ability | 10 Ton per week |
| Delivery Time | 5 - 12 days based on the quantity |
| Packaging Details | standard packing for export |
| Products | stainless steel seamless pipe |
| Grade | 304 304L 410s 316L 316Ti 316ln 321 317L 2205 S32760 254smo 2507 310S 347 904L.etc |
| Standard | ASTM GB EN |
| Length | 6m or custom cutting any length as request |
| Diameter | DN10 - DN400 |
| Wall thickness | SCH10 - XXS or unstandard size |
| Type | seamless pipe |
| Service | cutting, polishing |
| Similar Grade | 304L 316L 321 |
| Packing | wooden box or PP bag |
| Brand Name | DELTA |
| Model Number | 304 304L 316L 316LN 316Ti 317L 321 310S 309S 347 2205 2507 904L 254SMO S32760 410S.etc |
| Certification | ISO |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, Western Union, L/C | Supply Ability | 10 Ton per week |
| Delivery Time | 5 - 12 days based on the quantity | Packaging Details | standard packing for export |
| Products | stainless steel seamless pipe | Grade | 304 304L 410s 316L 316Ti 316ln 321 317L 2205 S32760 254smo 2507 310S 347 904L.etc |
| Standard | ASTM GB EN | Length | 6m or custom cutting any length as request |
| Diameter | DN10 - DN400 | Wall thickness | SCH10 - XXS or unstandard size |
| Type | seamless pipe | Service | cutting, polishing |
| Similar Grade | 304L 316L 321 | Packing | wooden box or PP bag |
| Brand Name | DELTA | Model Number | 304 304L 316L 316LN 316Ti 317L 321 310S 309S 347 2205 2507 904L 254SMO S32760 410S.etc |
| Certification | ISO | Place of Origin | China |
| High Light | 1.4462 duplex stainless steel tube ，duplex stainless steel tube 2205 ，S31803 duplex 2205 pipe | ||
Duplex 1.4462 2205 S31803 S32205 Stainless Steel Pipe for Chemical Industrial Duplex SS Pipe
EN 10216-5 1.4462 Duplex Steel is a 21% chromium, 2.5% molybdenum, 4.5-6.5% nickel, nitrogen alloyed duplex stainless steel with high general, localized, and stress corrosion resistance properties in addition to high strength and excellent impact toughness.
EN 1.4462 Stainless Steel provides pitting and crevice corrosion resistance superior to 316L or 317L austenitic stainless steel in almost all corrosive media. It also has high corrosion and erosion fatigue properties as well as lower thermal expansion and higher thermal conductivity than austenitic.The advantage of a duplex structure is that it combines the favorable qualities of a ferritic alloy stress corrosion cracking resistance and high strength with austenitic alloy ease of fabrication and corrosion resistance.
1.4462 Duplex Steel is a nitrogen enhanced duplex stainless steel that was developed to combat common corrosion problems encountered with the 300 series stainless steel. “Duplex” describes a family of stainless steel that are neither fully austenitic, like 304 stainless, nor purely ferritic, like 430 stainless steel. The structure of 1.4462 duplex stainless steel consists of austenitic pools surrounded by a continuous ferritic phase. In the annealing condition, 1.4462 Stainless Steel contains approximately 40-50% ferrite. Often referred to as the work horse grade, 1.4462 Stainless Steel is the most widely used grade in the duplex stainless steel tube.
Usage of 1.4462 duplex steel should be limited to temperatures below 600°F. Extended elevated temperature exposure can embrittle 1.4462 steel.
1.4462 Duplex Steel Composition % according to EN 10216-5:
| C | Si | Mn | P | S | Cr | Mo | Ni | N | Cu |
| max. 0,03 | max. 1,00 | max. 2,00 | max. 0,035 | max. 0,015 | 21,00 - 23,00 | 2,50 - 3,50 | 4,50 - 6,50 | 0,10-0,22 | - |
S32205 Stainless Steel Composition % according to ASTM A789 ASTM A790:
| C | Si | Mn | P | S | Cr | Mo | Ni | N | Cu |
| max. 0,03 | max. 1,00 | max. 2,00 | max. 0,030 | max. 0,020 | 22,00 - 23,00 | 3,0 - 3,5 | 4,5 - 6,50 | 0,14-0,20 | - |
S31803 Stainless Steel Composition % according to ASTM A789 ASTM A790:
| C | Si | Mn | P | S | Cr | Mo | Ni | N | Cu |
| max. 0,03 | max. 1,00 | max. 2,00 | max. 0,030 | max. 0,020 | 21,00 - 23,00 | 2,5 - 3,5 | 4,50 - 6,50 | 0,08-0,20 | - |
ASTM A789/A789M
ASTM A 790/A 790M
Duplex Stainless Steel Pipe
LDX 2101 S32101 1.4162 Duplex Stainless Steel Tubing Pipe
S31803 Stainless Steel Pipe
S32205 Stainless Steel Pipe
1.4462 Stainless Steel Pipe
S32304 1.4362 Duplex Stainless Steel Tubing Pipe
S32760 Stainless Steel Pipe
S32750 Stainless Steel Pipe
Super-Duplex Stainless Steel and their characteristics
Duplex Stainless Steel Pipe Specification:
| Standard Item | ASTM A789 | ASTM A790 | EN 10216-5 | |||
| Grade | S31803 S32205 S32750 | S31803 S32205 S32750 | 1.4301 1.4307 1.4948 1.4315 1.4401 1.4404 1.4571 1.4541 1.4941 1.4845 1.4449 1.4438 1.4550 1.4912 1.4462 1.4410 | |||
| Yield Strength (Mpa) | ≥450；≥485；≥550 | ≥450；≥450；≥550 | --- | |||
| Tensile Strength (Mpa) | ≥620；≥655；≥800 | ≥620；≥655；≥800 | --- | |||
| Elongation(%) | ≥25；≥25；≥15 | ≥25；≥25；≥15 | --- | |||
| Hydrostatic Test | The hydrostatic test shall be carried out at a test pressure of 7MPa or at a test pressure calculated using the following formula P=2St/D S=70%Rp0.2 | |||||
| Intergranular Corrosion Test | Usually use Pitting Corrosion Test. | Usually use Pitting Corrosion Test. | EN ISO 3651-2 (Optional) | |||
| Eddy Current Test | Could be replaced by HT. | Could be replaced by HT. | EN 10246-3 | |||
| O.D. Tolerance (mm) | O.D. | O.D.Tolerance | O.D. | O.D.Tolerance | O.D. Tolerance Class | |
| D<12.7 | +/-0.13 | 10.3≤D≤48.3 | +0.40/-0.80 | D3 | +/-0.75% or +/-0.3mm | |
| 12.7≤D<38.1 | +/-0.13 | 48.3<D≤114.3 | +0.80/-0.80 | |||
| whichever is the greater | ||||||
| 38.1≤D<88.9 | +/-0.25 | 114.3<D≤219.1 | +1.60/-0.80 | D4 | +/-0.5% or +/-0.1mm | |
| 88.9≤D<139.7 | +/-0.38 | 219.1<D≤457.0 | +2.40/-0.80 | |||
| whichever is the greater | ||||||
| W.T. Tolerance (mm) | O.D. | W.T.Tolerance | O.D. | W.T.Tolerance | W.T. Tolerance Class | |
| D<12.7 | +/-15% | 10.3≤D≤73.0 | +20.0%/-12.5% | T3 | +/-10% or +/-0.2mm | |
| 12.7≤D<38.1 | +/-10% | |||||
| 88.9≤D≤457.0 t/D ≤5% | +22.5%/-12.5% | whichever is the greater | ||||
| 38.1≤D<88.9 | +/-10% | T4 | +/-7.5% or +/-0.15mm | |||
| 88.9≤D≤457.0 t/D >5% | +15.0%/-12.5% | |||||
| 88.9≤D<139.7 | +/-10% | |||||
| whichever is the greater | ||||||
| Products | OD | Wall | Lengths and/or coils | Grades | OD | Wall | Lengths |
| Welded Austenitic Steel Boiler, Super Heater, Heat-Exchangers & Condenser Tubes Specifications: EN 10216-5 | 3/16" (4.76 mm) to 4" (101.6 mm) Metric sizes available | 0.020" (0.51 mm) to 0.220" (5.59 mm) | Random or cut lengths up to 68' (20.7 m) Coils to 1-1/2" OD | Duplex 2205 | <1-1/2" (38.1 mm) ±0.005" (0.13 mm) 1-1/2" (38.1 mm) to 3" (76.2 mm) ±0.010" (0.25 mm) 3-1/2" (88.9 mm) to 4" (101.6 mm) ±0.015" (0.38 mm) | ±10% | Randoms up to +2" (50.8 mm) Cuts +1/8" (3 mm) -0" Coils to 80,000' (24,384 m) |
| Tensile Strength | Yield Strength | |||||||||||
| Alloy | UNS | Spec. | MPa | ksi | MPa | ksi | Elongation in 2 in. (min.) % | Grain Size Req. | Max. Hardness | Modulus of Elasticity (x106 psi) | Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6) | Thermal Conductivity (BTU-in/ ft2-h-°F) |
| 1.4462 Duplex | EN 10216-5 | 710 | 103 | 540 | 78 | 38 | — | 26 Rc, 27* Rc | 27.5 | 7.6 | 180 | |
| Alloy | UNS Designation | Werkstoff NR. | Specifications* |
| 2205 | S31803/S32205 | 1.4462 | ASTM A789/ ASME SA789, ASTM A790 / ASMESA790 / EN 10216-5 |
| Inch | Decimal | Millimeters |
| 1/16″ | .0625 | 1.59 mm |
| 1/8″ | .1250 | 3.18 mm |
| 3/16″ | .1875 | 4.76 mm |
| 1/4″ | .2500 | 6.35 mm |
| 5/16″ | .3125 | 7.94 mm |
| 3/8″ | .3750 | 9.53 mm |
| 7/16″ | .4375 | 11.11 mm |
| 1/2″ | .5000 | 12.70 mm |
| 9/16″ | .5625 | 14.29 mm |
| 5/8″ | .6250 | 15.88 mm |
| 11/16″ | .6875 | 17.46 mm |
| 3/4″ | .7500 | 19.05 mm |
| 13/16″ | .8125 | 20.64 mm |
| 7/8″ | .8750 | 22.23 mm |
| 15/16″ | .9375 | 23.81 mm |
| 1″ | 1.00 | 25.40 mm |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...
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