ASTM A105 Forged Fittings | ASTM A105 Carbon Steel Forged Fittings | A105 Forged Elbow | ASTM A105 Socket Weld Fittings
Table of Content
- # What are ASTM A105 Forged Fittings?
- # How does the ASTM A105 Forged Fittings function?
- # ASTM A105 Forged Fittings Specifications Table
- # Chemical Features of ASTM A105 Forged Fittings
- # Mechanical Properties of ASTM A105 Forged Fittings
- # Types of ASTM A105 Forged Fittings
- # Equivalent Grades of ASTM A105 Forged Fittings
- # ASTM A105 Forged Fittings Price in India
- # Industrial Applications of ASTM A105 Forged Fittings
- # Why Choose Jay Steel Corporation to buy ASTM A105 Forged Fittings?
- # FAQs
What are ASTM A105 Forged Fittings?
How does the ASTM A105 Forged Fittings function?
ASTM A105 Forged Fittings Specifications Table
- Standard: ASTM A105 – Carbon Steel Forgings for Piping Applications
- Product Type : Forged Fittings (Socket Weld & Threaded), Flanges, Valves, and Components
- Manufacturing Method : Forged, machined, heat-treated (as required)
- Material Type: Carbon Steel (Open-Die or Closed-Die Forgings)
- UNS Number: K03504
- Available Classes: 2000, 3000, 6000 (Threaded) and 3000, 6000, 9000 (Socket Weld)
- Applications: Oil & Gas, Petrochemical, Refinery, Power Plants, Shipbuilding, High-Pressure Piping
- Chemical Composition: Carbon: 0.35% max , Manganese: 0.60–1.05% , Phosphorus: 0.035% max , Sulfur: 0.040% max , Silicon: 0.10–0.35% , Copper/Nickel/Chromium/Molybdenum: 0.40% max each
- Mechanical Properties: Tensile Strength: 485 MPa (min) , Yield Strength: 250 MPa (min) , Elongation: 22% (min) , Hardness: 187 HBW max
- Heat Treatment: Normally supplied in normalized, normalized and tempered, or quenched and tempered condition (N+T or Q+T if specified)
- Pressure Rating: Conforms to ASME B16.11 and MSS-SP standards for pressure/temperature ratings
- Dimensional Standards: ASME B16.11 (Forged Fittings), ASME B16.5 (Flanges), ASME B16.34 (Valves)
- Types of Fittings: Elbows (45°/90°), Tees, Crosses, Couplings, Unions, Caps, Reducers, Plugs, Swage Nipples, Bosses
- End Connections: Socket Weld (SW), Threaded (NPT / BSP)
- Surface Finish: Smooth machined finish; Rust-preventive coating applied
- Testing Requirements: Hardness Test, Tensile Test, Impact Test (if required), Hydrostatic Test, NDE (if specified)
Chemical Features of ASTM A105 Forged Fittings
Mechanical Properties of ASTM A105 Forged Fittings
| Property | Requirement / Value |
| Tensile Strength (Minimum) | 485 MPa (70,000 psi) |
| Yield Strength (Minimum) | 250 MPa (36,000 psi) |
| Elongation (Minimum) | 22% |
| Reduction of Area | 30% minimum |
| Hardness (Maximum) | 187 HBW or equivalent 89 HRB |
| Impact Toughness | Not mandatory; Charpy test required only when specified for low-temperature service |
| Heat Treatment Condition | Normally supplied as forged, optional normalized, normalized & tempered, or quenched & tempered |
| Ductility | High ductility enabling forming, threading, and machining without cracking |
| Strength at Elevated Temperatures | Maintains structural stability for high-pressure and moderate-temperature piping systems |
| Pressure Handling | Suitable for Class 2000, 3000, 6000 (and higher for special forged components) |
Types of ASTM A105 Forged Fittings
Some of the few Types of ASTM A105 Carbon Steel Forged Fittings are given below :
Carbon Steel Forged Elbow
Carbon Steel Forged Coupling
Carbon Steel Forged Plug
Carbon Steel Forged Union
Carbon Steel Forged Pipe Nipple
Carbon Steel Forged Bushing
Carbon Steel Forged End Cap
Equivalent Grades of ASTM A105 Forged Fittings
| Standard | Equivalent Grade | Notes |
| ASTM | ASTM A105 | Standard for carbon steel forged piping components |
| ASME | ASME SA105 | ASME pressure-grade equivalent of ASTM A105 |
| UNS | K03504 | Unified numbering system designation for carbon steel used in A105 forgings |
| EN / DIN | C22.8 / 1.0460 | Closest European equivalent used for pressure equipment forgings |
| BS (British Standard) | 1503-161-430A | Approximate equivalent used for pressure and high-temperature service |
| JIS (Japan) | SF440A | Japanese forged carbon steel grade comparable to A105 |
| GOST (Russia) | 20, 20A | Russian carbon steel grades used in pressure applications; not exact but commonly referenced equivalents |
ASTM A105 Forged Fittings Price in India:
CONTACT JAY STEEL CORPORATION
Industrial Applications of ASTM A105 Forged Fittings

Why Choose Jay Steel Corporation to buy ASTM A105 Forged Fittings?
Our Export Destinations
FAQs
What is ASTM A105 material used for in forged fittings?
There are few major purposes for which Forged Fittings ASTM A105 are used. They are given below:
- High-Pressure Piping Systems
- Oil & Gas Industry Applications
- Petrochemical & Chemical Plants
- Power Plants & Boiler Systems
- Industrial & Mechanical Engineering Piping
- Valve, Flange & Pressure Component Manufacturing
What are the different types of ASTM A105 forged fittings?
A few Types of Forged Fittings ASTM A105 are given below:
- Elbows (45° & 90°)
- Tees & Crosses
- Couplings (Full & Half)
- Unions
- Caps
- Plugs & Bushings
- Reducers (Concentric & Eccentric)
Are ASTM A105 forged fittings suitable for high-pressure applications?
Since Forged Fittings ASTM A105 are manufactured using forged carbon steel which is known for durability, they are ideally suited for high-pressure applications.
How do ASTM A105 forged fittings differ from A350 LF2 fittings?
Usually ASTM A105 forged fitting and A350 LF2 fittings differ from each other in the following ways given below:
- Material Composition
- Temperature tolerance
- Impact Testing
- Heat Treatment
- Application Areas
What are the standard dimensions and pressure ratings for ASTM A105 forged fittings?
Typically, the pressure ratings and standard dimensions for Forged Fittings ASTM A105 are given below:
- Pressure Ratings: Class 2000, Class 3000, Class 6000, Class 9000
- Dimensional Standards range from 1/8 inch to 4 inches (DN 6 to DN 100)





