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Elenco prodotti
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Tipo di pagamento: T/T,L/C
Modello: ASME SA789 S31803 SMLS Tube
Standard: ASTM
Se La Lega: Non legato
Tolleranza: ± 10%
Tubo duplex ASME SA789 S31803 SMLS in acciaio inossidabile
ASTM A789 ASTM A790 S31803 Composizione dei tubi in acciaio inossidabile %:
| 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 | – |
Proprietà meccaniche S31803 vs S32205
| Tensile Strength | Yield Strength | ||||||||
| Alloy | UNS | Spec. | MPa | ksi | MPa | ksi |
Elongation in 2 in. (min.) % |
Grain Size Req. | Max. Hardness |
| Duplex 2205 | S32205 | A789, A790 | 655 | 95 | 485 | 70 | 25 | — |
290HBW, 30* HRC |
| Duplex S31803 | S31803 | A789, A790 | 620 | 90 | 450 | 65 | 25 | — |
290HBW, 30* HRC |
S31803 vs S32205 Proprietà fisiche
| Alloy | UNS | Spec. |
Density kg/dm³ |
(x106 psi) |
Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6) |
Thermal Conductivity (BTU-in/ ft2-h-°F) |
| Duplex 2205 | S32205 | A789, A790 | 7.8 | 27.5 | 7.6 | 180 |
| Duplex S31803 | S31803 | A789, A790 | 7.8 | 27.5 | 7.6 | 180 |
S32205 vs S31803 Trattamento termico
| UNS Designation | Temperature | Quenching |
| S31803 | 1870-2010 °F [1020-1100°C] | Rapid cooling in air or water |
| S32205 | 1870-2010 °F [1020-1100°C] | Rapid cooling in air or water |
S32205 vs S31803 Resistenza alla corrosione
Sia S32205 e S31803 hanno sollecitazione proprietà di resistenza alla corrosione, oltre ad alta resistenza e ottimo impatto tenacità . Fornisce una resistenza alla vaiolatura e alla corrosione interstiziale superiore all'acciaio inossidabile austenitico 316L o 317L in quasi tutti i mezzi corrosivi. Ha anche erosione corrosione e fatica proprietà nonché minore dilatazione termica e conducibilità termica superiore austenitica .
| Unità vendibili | : | Piece/Pieces |
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Tipo di pagamento: T/T,L/C
Incoterm: FOB,CFR,CIF,EXW
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