Alloy SGS-X19-11L
Descriptions
The SGS-X19-11L has a very good corrosion resistance in a wide variety of environments (marine, acid, ...) with a particular resistance to localized and intergranular corrosion.
Very similar to 316L with a slightly higher corrosion resistance.
Designations
SEVA designation: SGS-X19-11L
Standard designation:
AFNOR Z6 CND18.12N
EN GXCrNiMo19-11-2
DIN 1,4409
USA (AISI) 316L
Chemical analysis (in%)
C : ≤0.03
Si : ≤ 1.5
Mn : ≤2
Ni : 9-12
Cr : 18-20
Mo : 2-2.5
Mechanical properties
Hardness: 140 HB
Tensile tests at room temperature:
| Rp0,2 (MPa) | Rm (MPa) | A (%) |
| 200 | 4450-600 | ≥30 |
Young's modulus at 20°C : E = 200 GPa
Applications
Areas of use:
• Shipbuilding
• Petrochemicals
• Chemicals
• Nuclear industry
• Food and pharmaceutical industries
Maximum temperature of use:
450°C
Types of parts produced:
Various foundry parts
Standard structure
Austenitic matrix.
Physical properties
Density at 20°C : 7.9g/cm³
Approximate melting range: 1390-1440°C
Expansion coefficient α in 10-6 /°C:
| Temperature (°C) | α (10-6/°C) |
| 100 | 15,8 |
| 300 | 17 |
| 500 | 17,7 |
Other properties
Magnetism: non-magnetic
Thermal conductivity at 20°C : 15 λ W.m-1.K-1
Heat capacity at 20°C : 530 J.kg-1.K-1
PREN : 23-28.5
Production
SEVA produces SGS-19-11L alloy in an electric induction furnace under an argon gas protective atmosphere.
Cast in a sand mold.
Compatible processes
| Compatibility | Remarks | |
| Machining | ●●●○○ | Cutting speed recommended: 30 to 50 m/min |
| Polishing | ●●●○○ | |
| Hot isostatic pressing (HIP) |
●●●●● | |
| Forging | ●●●●○ | |
| Welding | ●●○○○ |
Contact us
Are you looking for high-quality metal alloy foundry blanks for your industrial projects? Contact us now for a free, no-obligation quote.
