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Heavy Wall Seamless Stainless Steel Pipe ASTM A789 S32205 Fit Chemical Processing
Our duplex stainless steel UNS S32205 tubes are truly enduring. The range of these duplex S32205 tubes allows them to be matched for corrosion resistance with the austenitic and ferritic steel grades. Meanwhile, when these duplex steel S32205 pipes are melted it solidifies from the liquid phase to a completely ferritic structure. ASTM A789 duplex steel S32205 tubing is two-phase, ferritic, austenitic 22% chromium, 3% molybdenum, 5 to 6% nickel alloyed stainless steel. ASEM SA789 duplex steel S32205 seamless pipe is the most widely used duplex stainless steel grade and is characterized by high yield strength, double that of the standard austenitic stainless steel grades.
1. Standards:
ASTM A789 Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
2. Application:
Chemical processing, transport and storage,
Oil and Gas exploration and processing equipment,
Marine and other high chloride environments,
Pulp and paper digesters, liquor tanks and paper machines.
3. Ordering Information
Quantity (feet, meters, or number of lengths),
Name of product (seamless or welded tubes)
Grade (S32205)
Size (outside diameter and average wall thickness, unless minimum wall thickness is specified),
Length (specific or random)
Optional requirements (for product analysis; for hydrostatic or nondestructive electric test),
Test report required
Special requirements
4. Chemical Requirements
| Chemical Composition | |||||||||||
| UNS Designation | C | Mn | P | S | Si | Ni | Cr | Mo | N | Cu | Others |
| S32205 | 0.03 | 2 | 0.03 | 0.02 | 1 | 4.5-6.5 | 22.0-23.0 | 3.0-3.5 | 0.14-0.20 | … | … |
5. Tensile and Hardness Requirements
| UNS Designation | Tensile Strength, min, ksi (Mpa) | Yield Strength, min, ksi (Mpa) | Elongation in 2 in. or 50mm, min, % | Hardness, max. | |
| S32205 | 95 (655) | 70 (485) | 25 | 290 | 30 |
6. Available Size Range
| OD | Thickness | ||
| mm | inch | mm | SCH |
| 10.3~914 | 1/8’’~36’’ | 0.5~70 | All |
| *If the steel grades and size you are looking for are not listed above, please contact us for further information. | |||
