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model numarası.: ASME SA789 S31803 SMLS Tube
Standart: ASTM
Alaşım Olsun: Alaşımsız
Hata Payı: ±% 10
Dubleks Paslanmaz Çelik ASME SA789 S31803 SMLS Tüp
ASTM A789 ASTM A790 S31803 Paslanmaz Çelik Boru Bileşimi %:
| 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 | – |
S31803 ve S32205 Mekanik Özellikler
| 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 ve S32205 Fiziksel Özellikler
| 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 ve S31803 Isıl İşlem
| 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 ve S31803 Korozyon Direnci
Hem S32205 hem de S31803, yüksek mukavemet ve mükemmel darbe tokluğuna ek olarak stres korozyon direnci özelliklerine sahiptir. Neredeyse tüm aşındırıcı ortamlarda 316L veya 317L östenitik paslanmaz çelikten daha üstün oyuk ve çatlak korozyon direnci sağlar. Ayrıca, östenitikten daha düşük termal genleşme ve daha yüksek termal iletkenliğin yanı sıra yüksek korozyon ve erozyon yorulma özelliklerine sahiptir.
| Satış Birimleri | : | Piece/Pieces |
|---|
Ödeme şekli: T/T,L/C
Incoterm: FOB,CFR,CIF,EXW
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