ASTM A105 Carbon Steel Socket Weld Coupling Specification
| Standards Specification Of : | ASTM A105 Coupling |
|---|---|
| MSS SP-43 | Corrosion Resistant for Low Pressure, Fabricated and Wrought Butt-Welding Fittings Applications |
| ASTM A182 – ASME SA182 | Standard for Wrought Austenitic Stainless Steel Piping Fittings |
| ASME B16.11 | Wrought Buttwelding Fittings |
| ASME B16.11 | Socket & Threaded– Welding, Forged Fittings |
| MSS SP-95 | Bull Plugs & Swage(d) Nipples |
| BS3799 | Specification of screwed and Socket-welding, Steel pipe fittings |
ASTM Specifications
| ALLOY | Forging / Flanges | Fitting / Fittings |
|---|---|---|
| Carbon Steel | ASTM A105, LF2, LF3 | ASTM A105, LF2, LF3 |
SA105 Threaded Half Coupling Details
| Grade Specification | Carbon Steel: ASTM/ASME A234 WPB / A860 – MSS-SP-75 WPHY 42 / 46 / 52 / 56 / 60 / 65 / 70Low temperature Steel: A420 WPL3 / A420 WPL6 |
| Type | Seamless / Welded / Fabricated |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Range | ½”NB to 48″NB in Sch 10s, 40s, 80s, 160s, XXS. |
| Dimensions | ANSI/ASME B16.9, B16.28, MSS-SP-43. |
Carbon Steel ASTM A105 Pipe Coupling Equivalent
| Class Of Fitting | Connection Of Fitting | Equivalent Of Pipe | |
|---|---|---|---|
| Sch No. | Wall Designation | ||
|
2000
|
SA105 NPT Coupling
|
Sch. 80
|
XS
|
|
3000
|
ASTM A105 Threaded Coupling
|
Sch. 160
|
–
|
|
6000
|
SA105 Threaded Coupling
|
–
|
XXS
|
|
3000
|
Forged A105 Socket Weld Coupling
|
Sch. 80
|
XS
|
|
6000
|
ASTM A105 SW Coupling
|
Sch. 160
|
–
|
|
9000
|
CS A105 Socket Weld Coupling
|
–
|
XXS
|
A105 Socket Weld Coupling Chemical Composition
| Gr. | C | Si | Mn | -P | S | Mo | Ni | Cr | Cu | V |
| A105 Carbon Steel Coupling | 0.35 | 0.10–0.35 | 0.60–1.05 | 0.035 | 0.040 | 0.12 | 0.40 | 0.30 | 0.40 | 0.08 |
SA105 Threaded Full Coupling Mechanical Composition
| Gr. | Yield Strength, Min (MPa) | Tensile Strength, Min (MPa) | Elongation, min, % |
| CS A105 Coupling | 250 | 485 | 30 |