S31803/S32205
Characteristics
S31803/S32205 is a duplex stainless steel which is widely used for applications requiring good corrosion resistance and strength. The material has excellent resistance to sulphide stress corrosion and in chloride-containing environments. Its strength is roughly as twice as conventional austenitic stainless steels.
Stock Form and Sizes
◆1000mm ◎2000mm ▲3000mm ■3500mm ●4000mm ★2500mm～3990mm尺
Peeled round barsSpecification：ASTM A182/A276/A479、ASME SA182/SA276/SA479、NACE MR0175/MR0103、NORSOK M630 D47、EN 1.4462Stock Specification：S31803/S32205Dual Standard
| size 5〜24 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 6 | 8 | 10 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 22 | 24 |
| ● (h9) | ● (h9) | ● (h9) | ★ | ★ | ★ | ★ | ||||||||
| size 25〜46 | ||||||||||||||
| 25 | 26 | 27 | 28 | 30 | 32 | 33 | 35 | 36 | 38 | 40 | 42 | 44 | 45 | 46 |
| ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | |||||
| size 48〜130 | ||||||||||||||
| 48 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 110 | 120 | 130 |
| ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | |
| size 140〜350 | ||||||||||||||
| 140 | 150 | 160 | 170 | 180 | 190 | 200 | 210 | 230 | 250 | 280 | 300 | 330 | 350 | |
| ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | |
Hex barsSpecification：ASTM A276/A479、ASME SA276/SA479、NACE MR0175/MR0103、EN 1.4462※Stock Specification：S31803/S32205Dual Standard
| size 5〜24 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5.5 | 6 | 7 | 8 | 10 | 11 | 12 | 13 | 14 | 17 | 19 | 21 | 22 | 23 | 24 |
| ★ | ★ | ★ | ||||||||||||
| size 26〜70 | ||||||||||||||
| 26 | 27 | 29 | 30 | 32 | 35 | 36 | 38 | 41 | 46 | 50 | 55 | 60 | 65 | 70 |
| ★ | ★ | ★ | ★ | ★ | ★ | |||||||||
| size 75〜80 | ||||||||||||||
| 75 | 80 | |||||||||||||
Chemical composition
S31803
| Ni | Cr | Fe | C | Mn | Si | Co | P | S | Mo | Cu | N | Nb | Ta | Nb+Ta | W | V | other | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | 4.5 | 21.00 | 2.5 | 0.08 | ||||||||||||||
| max | 6.5 | 23.00 | 0.030 | 2.00 | 1.00 | 0.030 | 0.020 | 3.5 | 0.20 |
S32205
| Ni | Cr | Fe | C | Mn | Si | Co | P | S | Mo | Cu | N | Nb | Ta | Nb+Ta | W | V | other | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | 4.5 | 22.00 | 3.0 | 0.14 | ||||||||||||||
| max | 6.5 | 23.00 | 0.030 | 2.00 | 1.00 | 0.030 | 0.020 | 3.5 | 0.20 |
※Above is standard values of ASTM A276. For further information, please contact us.
Mechanical properties
S31803
| Tensile Strength Mpa | 0.2% Yield Strength Mpa | Elongation ％ | Reduction of Area ％ | Hardness | |
|---|---|---|---|---|---|
| min | 620 | 448 | 25 | ||
| max | HB290 |
S32205
| Tensile Strength Mpa | 0.2% Yield Strength Mpa | Elongation ％ | Reduction of Area ％ | Hardness | |
|---|---|---|---|---|---|
| min | 655 | 450 | 25 | ||
| max | HB290 |
※Above is standard values of ASTM A276. For further information, please contact us.
International Specification Comparison chart
| Material | Round bars | Plates/Sheets | Pipes/Tubes | ||
|---|---|---|---|---|---|
| Seamless | Welded | ||||
| JIS | SUS329J3L | G4303/G4318 | G4304/G4305 | G3459 | G3459 |
| ASTM | S31803/S32205 | A182/A276/A479 | A240 | A312 | A312 |
| ASME | S31803/S32205 | SA182/SA276/SA479 | SA240 | SA312 | SA312 |
| DIN/EN | 1.4462 | ||||
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