ASTM A105 Seamless Forged Carbon Steel Fittings for High Temperature, refer CS SA 105 Fittings Chemical Composition
Typical to most specifications, the heat furnishing techniques have been detailed in the ASTM A105 as well. The heat treatment furnished on the ASTM A105 Forged Fittings includes annealing, normalizing as well as tempering, or quenching. The primary purpose of heat treatment like these is the elimination of residual stresses and the removal of unwanted elemental residues by purifying the Carbon Steel A105 Pipe Fittings. Carbon steel fittings are cheap and they have good toughness, yet they lack significant corrosion resistance properties. Hence, they are frequently galvanized or they may be coated by surface treatments like painting or electroplating with zinc. When residual stresses aren’t eliminated from the ASTM A105 Fittings, they are most likely to crack on failure, rendering them useless. Hence, it is highly recommended to use heat treatments on these fittings. Forging the fittings improves the alignments of the grain in the alloy of Forged A105 Weld Fitting, making it straighter and giving its microstructure a more uniform appearance. Moreover, the surface of the fitting is smoother as well. CS A105 Threaded Fittings under this specification could not only be repaired by welding but also retreated and marked per the given guidelines. Materials of the SA-105 Normalized Fittings adhere to requirements such as elongation, tensile and yield strength, reduction of area, as well as hardness requirements.
Carbon Steel ASTM A105 Forged Fittings
Forged Carbon Steel ASTM A105 Fittings
Carbon Steel A105 Socket Weld Fittings
Galvanized ASTM A105 Threaded Fittings
ASME B16.11 High Carbon Steel A105 Weld Fittings
Low Carbon SA-105 Normalized Union
ASTM A105 Fittings Specification Format
| Specification | Carbon Steel ASTM A105 Forged Fittings |
| ASTM A182 – ASME SA182 | Standard Specification for Wrought Austenitic Stainless Steel Piping Fitting |
| ASME B16.11 | Wrought Buttwelding Fitting |
| MSS SP-43 | Corrosion Resistant Applications, Wrought and Fabricated Butt-Welding Fitting for Low Pressure |
| BS3799 | Specification of screwed and Socket-welding, Steel pipe fitting |
| ASME B16.11 | Socket – Welding and Threaded Forged Fitting |
| MSS SP-95 | Bull Plugs & Swage(d) Nipples |

ASTM A105 Fittings
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ASTM A105 Forged Fittings Chemical Composition
| Gr. | C | Si | Mn | -P | S | Mo | Ni | Cr | Cu | V |
| A105 Forged Fittings | 0.35 | 0.10–0.35 | 0.60–1.05 | 0.035 | 0.040 | 0.12 | 0.40 | 0.30 | 0.40 | 0.08 |
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A105 Weld Fittings Mechanical Characteristics
| Gr. | Yield Strength, Min (MPa) | Tensile Strength, Min (MPa) | Elongation, min, % |
| A105 Fitting | 250 | 485 | 30 |
Equivalent Of Forged Carbon Steel Pipe Fittings
| Class Of Fitting | Connection Of Fitting | Equivalent Of Pipe | |
|---|---|---|---|
| Sch No. | Wall Designation | ||
|
2000
|
SA105 NPT Fitting
|
Sch. 80
|
XS
|
|
3000
|
ASTM A105 Threaded Fitting
|
Sch. 160
|
–
|
|
6000
|
SA105 Threaded Fitting
|
–
|
XXS
|
|
3000
|
Forged A105 Socket Weld Fitting
|
Sch. 80
|
XS
|
|
6000
|
ASTM A105 SW Fitting
|
Sch. 160
|
–
|
|
9000
|
CS A105 Socket Weld Fitting
|
–
|
XXS
|
Temperature Of ASTM A105 Pipe Fittings
| Fittings | Size | |
|---|---|---|
| A105 Forged 90° Elbows | A105 Socket Couplings | Sizes 1/8″ – 4″ Fittings Pressure Ratings – 2000 Class, 3000 Class, 6000 Class, 9000 Class |
| A105 Threaded 45° Elbows | A105 NPT Reducers | |
| A105 Forged Street Elbows | A105 SW Inserts | |
| A105 NPT Tees | A105 Forged Caps | |
| A105 Socket Crosses | A105 NPT Unions | |
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A105 Forged Steel Fittings Dimension Table

Equivalent Chart Of CS A105 Steel Fittings, Contact US Today For Carbon Steel A105 Forged Steel Fittings With Best Price, We Provide SA-105 Normalized Union 3rd Party Testing.
Types Of Carbon Steel A105 Socket Weld Fittings
CL3000, DN25, SW, ASME B16.11, ASTM A105 Carbon Steel Equal Tee
1/2 Inch, 6000 LB, ASTM A105 Socket Weld Equal Tee
1 1/2 X 1 Inch, Class 3000, ASME B16.11, A105 Reducing Tee
1x3/4 Inch, ANSI B16.11, CL3000, ASTM A105 Reducer Tee
4 Inch, CL3000, A105 Galvanized Full Coupling
1 Inch, Class 3000, ASTM A105 Coupling
1/2 Inch, 3000#, SW, ASTM A105 Full Coupling
1 Inch, 9000#, ASTM A105 Carbon Steel Coupling
1 Inch, 6000 LB, ASTM A105 NPT Hex Head Plug
3/4 x 4 Inch, SCH 80, ASTM A105 Galvanized Nipple
2 Inch, SCH 80, NPT, ASTM A105 Bull Head Plug
3/4 X 2 Inch, SCH 40, NPT, ASTM A105 Pipe Nipple
Available Types Of ASTM A105 Threaded Fittings
4/6 Inch, B16.11, 3000#, A105 Caps
3/4 Inch, 3000#, ASME B16.11, NPT, Forged ASTM A105 Cap
1/2 Inch, 3000#, DN20, PN400, CS Threaded NPT Cap
1/3 Inch, Class 3000, ASME B16.11, A105 Galvanized Cap
1 1/2 Inch, Class 3000, NPT A105 90 Degree Eblow
1 Inch, 3000LB, B16.11, NPT, A105 90 Deg Elbow
1.5 Inch, 6000LB, FNPT Ends, ASTM A105 45D Elbow
2 Inch, 3000LB, A105 Galvanized 45D Elbow
1/2 Inch, CL6000, SW, MSS SP 83, ASTM A105 Forged Steel Union
1-1/2 X 1 Inch, SCH XXS, ASTM A105 Concentric Swage Nipple
1 Inch, 6 Inch L, SCH 80, ANSI B16.11, ASTM A105 Pipe Nipple
2 X 1/2 Inch, ASTM A105 Reducing Bushing
A105 Weld Fittings Manufacturing Standards
| ASTM A182 – ASME SA182 | Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
| ASME B16.9 | Wrought Buttwelding Fitting |
| ASME B16.11 | Socket – Welding and Threaded, Forged Fitting |
| MSS SP-43 | Corrosion Resistant Applications, Fabricated and Wrought Butt-Welding Fitting for Low Pressure |
| MSS SP-95 | Bull Plugs & Swage(d) Nipples |
| BS3799 | Specification of screwed and Socket-welding, Steel pipe fitting |
SA 105 Galvanized Fittings Schedule Chart
| Normal Size Of Pipe | Type A | Type B | QTY | Weight |
|---|---|---|---|---|
| ¼ | 0.81 | 0.88 | 160 | 0.20 |
| ⁄ | 0.97 | 1.00 | 130 | 0.26 |
| ½ | 1.12 | 1.31 | 100 | 0.57 |
| ¾ | 1.31 | 1.5 | 75 | 0.71 |
| 1 | 1.5 | 1.81 | 40 | 1.08 |
| 1 ¼ | 1.75 | 2.19 | 25 | 1.68 |
| 1 ½ | 2.00 | 2.44 | 18 | 2.38 |
| 2 | 2.38 | 2.97 | 10 | 3.55 |
| 2 ½ | 3.00 | 3.62 | 4 | 6.22 |
| 3 | 3.38 | 4.31 | 2 | 10.36 |
| 4 | 4.19 | 5.75 | 1 | 23.91 |
Size Chart Of Carbon Steel A105 Threaded Fittings
| Description | Class Designation | ||
|---|---|---|---|
| 3000# | 6000# | 9000# | |
| A105 SW Elbow 45 & A105 90 deg A105 SW Tee, A105 SW Crosse, A105 NPT Coupling, Half-Coupling, A105 NPT End or A105 NPT Pipe Caps |
½ - 4 | ½ - 2 | ½ - 2 |
| ½ - 4 | ½ - 2 | ½ - 2 | |
| ½ - 4 | ½ - 2 | ½ - 2 | |
| Normal Size Of Pipe by Wall Thick. |
SCH 80 & XS | SCH 160 | XXS |

