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| Categories | Stainless Steel Seamless Pipe |
|---|---|
| Brand Name: | YUHONG |
| Model Number: | ASTM A312 S31254 |
| Certification: | ABS, BV, ISO, ASTM, SGS |
| Place of Origin: | China |
| MOQ: | 100KGS |
| Price: | Negotiable |
| Payment Terms: | T/T,L/C |
| Supply Ability: | 1000 tons per month |
| Delivery Time: | Depends on quantity |
| Packaging Details: | Ply-wooden Case /Iron Case/ Bundle with plastic Cap/Woven Case |
| Specification: | ASTM A312, ASME SA312 |
| Grade: | UNS S31254 |
| Type: | Seamless, Welded |
| Non Destructive Test: | Eddy Current Test , Hydrostatic Test , UT , PT |
| Company Info. |
| Yuhong Group Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
ASTM A312 S31254 SMO 254 Seamless Pipe High Temperature Seawater
What is S31254 material?
NAS 185N (SUS 312L, UNS S31254,SMO 254) is a high corrosion
resistant austenitic stainless steel with a high nickel, high
chromium, high molybdenum alloy design, and provides excellent
corrosion resistance in severe corrosion environments such as high
temperature seawater.
254SMO is an austenitic stainless steel. Due to its high molybdenum
content, it has extremely high resistance to pitting and crevice
corrosion.
SMO 254(UNS S31254) is a high-alloy austenitic stainless steel
developed for use in seawater and other aggressive chloride-bearing
media. The steel is characterized by the following properties:
-Excellent resistance to pitting and crevice corrosion, PREN ≥42.5*
-High resistance to general corrosion
-High resistance to stress corrosion cracking
-Higher strength than conventional austenitic stainless steels
-Good weldability
Chemical Composition of S31254 / SMO 254
| C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
| ≤0.020 | ≤0.80 | ≤1.00 | ≤0.030 | ≤0.010 | 20 | 18 | 6.1 | 0.20 | 0.7 |
Mechanical Properties of S31254 / SMO 254
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 680 MPa | 98600 psi |
| Yield strength | 300 MPa | 43500 psi |
| Modulus of elasticity | 195 GPa | 28300 ksi |
| Shear modulus | 75 GPa | 10900 ksi |
| Poisson’s ratio | 0.30 | 0.30 |
| Elongation at break | 50 % | 50 % |
| Hardness, Brinell | 210 | 210 |
UNS S31254 Physical Properties
| Density (Kg.m-1) | 8000 |
| Magnetic Permeability | <1.05 |
| Young’s Modulus (N/mm2) | 200 x 103 |
| Specific Heat, 20°C (J.Kg-1.°K-1) | 500 |
| Specific Electrical Resistance, 20°C (µO.m) | 0.85 |
| Thermal conductivity, 20°C | 13.5 |
Thermal Properties of S31254 / SMO 254
| Properties | Metric | Imperial |
|---|---|---|
| Thermal expansion co-efficient (@20-100°C/68-212°F) | 16.5 µm/m°C | 9.17 µin/in°F |
| Thermal conductivity | 14 W/mK | 97.2 BTU in/hr.ft².°F |
Equivalent Material of S31254 / SMO 254:
| STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | SIS |
| SMO 254 | S31254 | 1.4547 | Z1 CNDU 20.18.06Az | X1CrNiMoCuN20-18-7 | 2378 |
Applications:
-Saltwater handling
-Tall oil distillation columns
-Flue gas desulfurization scrubbers
-Components used in petroleum production
-Food processing equipment
-Process equipment in chemical industry
-Bleaching equipment in the pulp and paper industry
-Flue-gas cleaning
Size Range Of SMO 254 Pipe
1/8" IPS(.405"O. D.) | 3 1/2" IPS( 4.000"O. D.) |
|---|---|
SCH 40, 80 | SCH 10, 40, 80, 160, XXH |
1/4" IPS(.540"O. D.) | 4" IPS(4.500"O. D.) |
SCH 10, 40, 80 | SCH 10, 40, 80, 160, XXH |
3/8" IPS(.675"O. D.) | 5" IPS( 5.563"O. D.) |
SCH 10, 40, 80 | SCH 10, 40, 80, 160, XXH |
1/2" IPS(.840"O. D.) | 6" IPS(6.625"O. D.) |
SCH 5, 10, 40, 80, 160, XXH | SCH 5, 10, 40, 80, 120, 160, XXH |
3/4" IPS(1.050"O. D.) | 8 ” IPS(8.625"O. D.) |
SCH 10, 40, 80, 160, XXH | SCH 5, 10, 40, 80, 120, 160, XXH |
1" IPS:(1.315′O. D.) | 10" IPS(10.750"O. D.) |
SCH 5, 10, 40, 80, 160, XXH | SCH 10, 20, 40, 80 (.500), TRUE 80(.500) |
1-1/4" IPS(1.660"O. D.) | 12" IPS(12.750"O. D.) |
SCH 10, 40, 80, 160, XXH | SCH 10, 20, 40(.375), TRUE40(.406), SCH80(.500) |
1-1/2" IPS(1.900"O. D.) | 14" IPS(14.000"O. D.) |
SCH 10, 40, 80, 160, XXH | SCH10 (.188), SCH40 (.375) |
2" IPS(2.375"O. D.) | 16" IPS(16.000"O. D.) |
SCH 10, 40, 80, 160, XXH | SCH10(.188), SCH40(.375) |
2 1/2" IPS(2.875"O. D.) | 18" IPS (18.000"O. D.) |
SCH 10, 40, 80, 160, XXH | SCH-40 (.375) |
|
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