X2CrNiMoS18-5-3 EN 10216-5 1.4424 Alloy Steel Seamless Pipe for High Pressure Applications
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Product Description
X2CrNiMoS18-5-3 Seamless Alloy Steel Pipe EN 10216-5 1.4424 Alloy Steel Pipe
Product Specifications
| Grade: | X2CrNiMoSi18-5-3 |
| Number: | 1.4424 |
| Classification: | Austenitic-ferritic stainless steel - special grade |
| Density: | 7.8 g/cm³ |
Applicable Standards
- EN 10088-2:2005 - Stainless steels - Technical delivery conditions for sheet/plate and strip
- EN 10088-3:2005 - Stainless steels - Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products
- EN 10216-5:2014 - Seamless steel tubes for pressure purposes - Stainless steel tubes
- EN 10297-2:2005 - Seamless circular steel tubes for mechanical and general engineering purposes - Stainless steel
- EN 10088-1:2005 - Stainless steels - List of stainless steels
- EN 10088-5:2009 - Stainless steels - Technical delivery conditions for construction purposes
- EN 10088-4:2009 - Stainless steels - Technical delivery conditions for construction purposes
Chemical Composition (%)
Elements not listed shall not be intentionally added without purchaser agreement
| Element | Content |
|---|---|
| C | max 0.03 |
| Si | 1.4 - 2 |
| Mn | 1.2 - 2 |
| Ni | 4.5 - 5.2 |
| P | max 0.035 |
| S | max 0.015 |
| Cr | 18 - 19 |
| Mo | 2.5 - 3 |
| N | 0.05 - 0.1 |
Mechanical Properties
| Property | Value (+A) | Value (+AT) |
|---|---|---|
| Tensile Strength Rm (MPa) | 680-900 | 700-900 |
| 0.2% Proof Strength Rp0.2 (MPa) | 400-450 | 480 |
| Impact Energy KV longitud. (+20°C) | 100 J | |
| Min. Elongation at Fracture A (%) | 25 | 30 |
| Brinell Hardness HB (+A) | 260 | |
Material Properties
Resistance to intergranular corrosion: in the delivery condition - yes; in the sensitized condition - yes
Heat Treatment Conditions
| Code | Description |
|---|---|
| +A | Soft annealed |
| +AC | Annealed to achieve spheroidization of the carbides |
| +AR | As rolled |
| +AT | Solution annealed |
| +C | Cold drawn / hard |
| +CR | Cold rolled |
| +FP | Treated to ferrite-pearlite structure and hardness range |
| +I | Isothermal annealing |
| +LC | Cold drawn / soft |
| +M | Thermo mechanical rolling |
| +N | Normalized |
| +NT | Normalized and tempered |
| +P | Precipitation hardened |
| +PE | Peeled |
| +QA | Air quenched and tempered |
| +QL | Liquid quenched and tempered |
| +QT | Quenched and tempered |
| +S | Treated to improve shearability |
| +SH | As rolled and turned |
| +SR | Cold drawn and stress relieved |
| +T | Tempered |
| +TH | Treated to hardness range |
| +WW | Warm worked |
| +U | Untreated |
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Company
BEST PIPELINE EQUIPMENT CO.,LTD
Location
China Factory : Suzhou Industrial Park, JiangSu Province,China
Contact Person
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