A105 Carbon Steel Flanges Manufacturer & Supplier
The standard carbon steel flange forging. Chemistry and carbon equivalent are capped so the flange stays weldable in the field, and the hardness ceiling of 187 HBW keeps it machinable for the gasket face finish.
UNS: ASTM A105 / ASME SA-105 | Category: Carbon Steel Flanges
Size Range
Outer Diameter: NPS 1/2 to 60 · Class 150 to Class 2500 · PN 6 to PN 100
Chemical Composition (%)
| C | Mn | Si | CE |
|---|---|---|---|
| 0.35 max | 0.60-1.05 | 0.10-0.35 | 0.47 max |
Mechanical Properties
- Tensile Strength
- 485 MPa min
- Yield Strength
- 250 MPa min
- Elongation
- 22% min
- Hardness
- 187 HBW max
Applicable Standards
- ASME B16.5
- ASME B16.47
- EN 1092-1
- ASTM A105
- EN 10204 3.1
Applications
- Weld neck and slip-on flanges on process lines
- Blind flanges and spades
- Pipeline and station flange joints
- Pump, valve and vessel connections
- Utility and firewater piping
Industries Served
- Power & Energy
- Water & Desalination
- General Engineering
- Cement & Mining
- Food & Beverage
- HVAC & Refrigeration
Equivalent Grades
- ASTM A105
- ASTM A105
- ASME SA-105
- ASME SA-105
- A105N
- A105N
- EN 1.0460 equivalent
- EN 1.0460 equivalent
- P250GH equivalent
- P250GH equivalent