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Inconel 625/ UNS N06625/DIN W. Nr. 2.4856
| Form | ASTM |
| Rod and bar | B 446 |
| Plate, sheet and strip | B 443, B 906 |
| Seamless pipe and tube | B 444, B 829 |
| Welded pipe | B 705, B 775 |
| Welded tube | B 704, B 751 |
| Welding fitting | B 366 |
| Billet and bar for reforging | B 472 |
| Forging | B 564 |
Chemical composition
| % | Ni | Cr | Mo | Fe | C | Mn | Si | P | S | Co | Nb+Ta | Al | Ti |
| min | 58.0 | 20.0 | 8.0 | 3.15 | |||||||||
| max | 23.0 | 10.0 | 5.0 | 0.10 | 0.50 | 0.50 | 0.015 | 0.015 | 1.00 | 4.15 | 0.40 | 0.40 |
Physical properties
| Density | 8.44 g/cm3 |
| Melting range | 1290-1350℃ |
Features: Inconel 625 has excellent strength at temperatures up to 816℃. At higher temperatures, its strength is generally lower than that of other solid solution strengthened alloys. Inconel 625 has good oxidation resistance at temperatures up to 980℃ and shows good resistance to aqueous corrosion, but is relatively moderate compared to other more capable corrosion resistant alloys.
Applications: Chemical process industry and sea water application. Inconel 625 is used in short term applications at temperatures up to 816℃. For long term service, it is best restricted to a maximum of 593℃, because long term exposure above 593℃ will result in significant embrittlement.
Note: Inconel is a registered trademark of the Special Metals Corporation group of companies.
Seamless Pipe
Product Specification
| Product | Size Range |
| Stainless steel seamless tube & pipe |
OD: φ1-φ914.4mm WT:0.2-80mm |
| U-Tube |
OD: φ12-φ38mm WT: 0.5-4mm |
P.S As per special grade
Main Steel Type and Typical Grade
| Steel Types | Typical Steel Codes（AISI） |
| Austenitic | TP304/304L, TP304H, TP316/316L, TP316H, TP316Ti, TP321, TP321H, TP347/H, TP347HFG, 904L, TP309S,TP310MoLN,TP310H, TP310S, TP317/17L, TP316LMo≥2.5,S31254,904L; etc |
| Duplex/Super duplex | S31803; S32205; S31500; S32750; S32760 |
| Nickel-Alloy | UNS N08825, N08020, N08028, N08800,N08810,N08811,N04400,N06600,N06601,N06625,N06690,N06022,N10276,N10665,N10673, etc |
P.S As per special grade
Main Production Standards
| Standard Type | Standards |
| EN | EN10216-5; EN10216-2 |
| DIN | DIN 17456; DIN 17458 |
| ASTM |
ASTM A312, A213, A269, A511, A789, A790; B163, B423, B407, B668 ASME SA213, SA312, SA789, SA790; SB163, SB423, SB407, SB668 |
| JIS | JIS G3459; G3463 |
| GOST | GOST 9941; GOST 5632 |
| GB |
GB/T14975; GB/T14976; GB13296; GB5310; GB9948 |