UNS S32750 /2507 High Strength Food Industry Duplex Stainless Steel Tube ASTM A789
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Certification:ISO 9001 & PED & AD2000
Model Number:MTSCODST10
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UNS S32750 /2507 High Strength Food Industry Duplex Stainless Steel Tube ASTM A789
Super duplex stainless such as duplex is a mixed microstructure of austenite and ferrite which has improved strength over ferritic and austenitic steel grades . The main difference is super duplex has a higher molybdenum and chromium content which gives the material greater corrosion resistance . Super duplex has the same benefits as its counterpart - it has lower production costs when compared with similar ferritic and austenitic grades and due to the materials increased tensile and yield strength , in many cases this gives the purchaser the welcomed option of purchasing smaller thicknesses without the need to compromise on quality and performance .
| Chemical Composition | |||||||||
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo | N |
| max | max | max | max | max | |||||
| UNS S32750 | 0.03 | 0.8 | 1.2 | 0.03 | 0.015 | 24.0-26.0 | 6.0-8.0 | 3.0-5.0 | 0.24-0.32 |
| UNS S31803 | 0.03 | 1 | 2 | 0.02 | 0.02 | 21.0-23.0 | 4.5-6.5 | 2.5-3.5 | 0.08-0.20 |
| Physical Properties | |||||||||
| Grade | Y.S.MPa min | T.S.Mpa min | Elongation % | Hardness HRC | / | ||||
| UNS S32750 | 550 | 800 | 15 | 20 | / | ||||
| UNS S31803 | 450 | 620 | 25 | 20 | / | ||||
Specifications :
| NO. | OD | W.T | NO. | OD | W.T |
| MM | MM | MM | MM | ||
| 1 | 4.76 | 0.56 | 32 | 15 | 1 |
| 2 | 4.76 | 0.71 | 33 | 15 | 1.5 |
| 3 | 4.76 | 0.89 | 34 | 15 | 2 |
| 4 | 4.76 | 1.24 | 35 | 15.88 | 0.71 |
| 5 | 5.00 | 1.00 | 36 | 15.88 | 0.89 |
| 6 | 6.00 | 1.00 | 37 | 15.88 | 1.24 |
| 7 | 6.00 | 1.50 | 38 | 15.88 | 1.65 |
| 8 | 6.35 | 0.71 | 39 | 16 | 1 |
| 9 | 6.35 | 0.89 | 40 | 16 | 1.5 |
| 10 | 6.35 | 1.24 | 41 | 16 | 2 |
| 11 | 6.35 | 1.65 | 42 | 18 | 1 |
| 12 | 8.00 | 0.71 | 43 | 18 | 1.5 |
| 13 | 8.00 | 1.00 | 44 | 18 | 2 |
| 14 | 8.00 | 1.50 | 45 | 19.05 | 0.71 |
| 15 | 9.53 | 0.71 | 46 | 19.05 | 0.89 |
| 16 | 9.53 | 0.89 | 47 | 19.05 | 1 |
| 17 | 9.53 | 1.24 | 48 | 19.05 | 1.24 |
| 18 | 9.53 | 1.65 | 49 | 19.05 | 1.65 |
| 19 | 10.00 | 1.00 | 50 | 19.05 | 2.11 |
| 20 | 10.00 | 1.50 | 51 | 20 | 1 |
| 21 | 10.00 | 2.00 | 52 | 20 | 1.5 |
| 22 | 12.00 | 1.00 | 53 | 20 | 2 |
| 23 | 12.00 | 1.50 | 54 | 22 | 1 |
| 24 | 12.00 | 2.00 | 55 | 22 | 1.5 |
| 25 | 12.70 | 0.71 | 56 | 22 | 2 |
| 26 | 12.70 | 0.89 | 57 | 25.4 | 0.71 |
| 27 | 12.70 | 1.24 | 58 | 25.4 | 0.89 |
| 28 | 12.70 | 1.65 | 59 | 25.4 | 1.24 |
| 29 | 14.00 | 1.00 | 60 | 25.4 | 1.65 |
| 30 | 14.00 | 1.50 | 61 | 25.4 | 2.11 |
| 31 | 14.00 | 2.00 |
|
UNS S32750 /2507 High Strength Food Industry Duplex Stainless Steel Tube ASTM A789
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