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| Categories | Stainless Steel Tube |
|---|---|
| Brand Name: | TORICH |
| Model Number: | ASTM A790 |
| Certification: | ISO 9001 ISO 14001 TS 16949 |
| Place of Origin: | Zhejiang,China |
| MOQ: | 1 Ton |
| Price: | negotiable |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 10000 Ton/Year |
| Delivery Time: | 15-30 days |
| Packaging Details: | Packing in wooden, hexagonal box or other seaworthy ways |
| Product name: | TORICH Supplier Stainless Steel Seamless Duplex Tube |
| Keyword: | Stainless steel duplex tube |
| Application: | for pressure equipment, fluid transportation/heat exchanger |
| Grade: | DUPLEX 2507 |
| Shape: | Round |
| Technique: | Double-side automatic arc welding |
| OD: | 4-1200mm |
| WT: | 0.3-200mm |
| Company Info. |
| TORICH INTERNATIONAL LIMITED |
| Verified Supplier |
| View Contact Details |
| Product List |
| No. | Unified digital code | Steel Grade | Recommended heat treatment system | Tensile property | Hardness | ||||
Tensile strength Rm/(N/mm2) | Non proportional extension strength Rp0.2/(N/mm2) | Elongation | HBW | HRC | |||||
| ≥ | ≤ | ||||||||
| 1 | S21953 | 022Cr19Ni5Mo3Si2N | 980℃~1040℃ | Rapid cooling | 630 | 440 | 30 | 290 | 30 |
| 2 | S22253 | 022Cr22Ni5Mo3N | 1020℃~1100℃ | Rapid cooling | 620 | 450 | 25 | 290 | 30 |
| 3 | S22053 | 022Cr23Ni5Mo3N | 1020℃~1100℃ | Rapid cooling | 655 | 485 | 25 | 290 | 30 |
| 4 | S23043 | 022Cr23Ni4MoCuN | 925℃~1050℃ | Rapid cooling D≤25mm | 690 | 450 | 25 | - | - |
Rapid cooling D>25mm | 600 | 400 | 25 | 290 | 30 | ||||
| 5 | S22553 | 022Cr25Ni6Mo2N | 1050℃~1100℃ | Rapid cooling | 690 | 450 | 25 | 280 | - |
| 6 | S22583 | 022Cr25Ni7Mo3WCuN | 1020℃~1100℃ | Rapid cooling | 690 | 450 | 25 | 290 | 30 |
| 7 | S25554 | 03Cr25Ni6Mo3Cu2N | ≥1040℃ | Rapid cooling | 760 | 550 | 15 | 297 | 31 |
| 8 | S25073 | 022Cr25Ni7Mo4N | 1025℃~1125℃ | Rapid cooling | 800 | 500 | 15 | 300 | 32 |
| 9 | S27603 | 022Cr25Ni7Mo4WCuN | 1100℃~1140℃ | Rapid cooling | 750 | 550 | 25 | 300 | - |
| No hardness required of the steel grade, only have to provide the measured data, not as the delivery conditions | |||||||||
Steel Grade Reference Table
| No. | China | USA | Japan | Europe | |
| Unified digital code | Steel Gade | ASTM A790-05a | JIS G3463.2005 | EN 10217-7.2005 | |
| 1 | S21953 | 022Cr19Ni5Mo3Si2N | S31500 | - | - |
| 2 | S22253 | 022Cr22Ni5Mo3N | S31803 | SUS329J3LTB | X2CrNiMoN22-5-3 1.4462 |
| 3 | S22053 | 022Cr23Ni5Mo3N | S32205 | - | - |
| 4 | S23043 | 022Cr23Ni4MoCuN | S32304 | - | X2CrNiN23-4 1.4362 |
| 5 | S22553 | 022Cr25Ni6Mo2N | S31200 | - | - |
| 6 | S22583 | 022Cr25Ni7Mo3WCuN | S31260 | SUS329J4LTB | - |
| 7 | S25554 | 03Cr25Ni6Mo3Cu2N | S32550 | - | - |
| 8 | S25073 | 022Cr25Ni7Mo4N | S32750 | - | X2CrNiMoN25-7-4 1.4410 |
| 9 | S27603 | 022Cr25Ni7Mo4WCuN | S32760 | - | X2CrNiMoCuWN25-7-4 1.4501 |
Recommended heat treatment system and mechanical property of steel tube
| Number | Steel grade | Recommended Heat treatment system | Tensile property | Hardness | ||||
Tensile strength Rm/(N/mm²) | Specifies the non-proportional extension strength Rp0.2/MPa | Elongation A/% | HBW | HRC | ||||
| No less than | No more than | |||||||
| 1 | 022Cr19Ni5Mo3Si2N | 980℃~1040℃ | Quenching | 630 | 440 | 30 | 290 | 30 |
| 2 | 022Cr22Ni5Mo3N | 1020℃~1100℃ | Quenching | 620 | 450 | 25 | 290 | 30 |
| 3 | 022Cr23Ni5Mo3N | 1020℃~1100℃ | Quenching | 655 | 485 | 25 | 290 | 30 |
| 4 | 022Cr23Ni4MoCuN | 925℃~1050℃ | Quenching | 690 | 450 | 25 | 290 | 30 |
| 5 | 022Cr25Ni6Mo2N | 1050℃~1100℃ | Quenching | 600 | 400 | 25 | 280 | — |
| 6 | 022Cr25Ni7Mo3WCuN | 1020℃%~1100℃ | Quenching | 690 | 450 | 25 | 290 | 30 |
| 7 | 03Cr25Ni6Mo3Cu2N | ≥1040℃ | Quenching | 760 | 450 | 25 | 297 | — |
| 8 | 022Cr25Ni7Mo4N | 1025℃~1125℃ | Quenching | 800 | 550 | 15 | 300 | 32 |
| 9 | 022Cr25Ni7Mo4WCuN | 1100℃~1140℃ | Quenching | 750 | 550 | 25 | 300 | — |
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