3/4 inch carbon steel pipe
Carbon steel pipe is a steel pipe composed mainly of iron and carbon, and also contains small amounts of other elements such as manganese, silicon and copper.
Its size is 3/4 inch specifically means 1.050OD, and the inner diameter and wall thickness are related to the sch standard.
The following will specifically introduce the size specifications of 3/4 inch carbon steel pipe.
3/4 inch carbon steel pipe Specification
| Pipe Size | OD | ID | Schedules | Wall | Est. LBS per Ft (Steel Pipe) |
| 3/4″ | 1.050 | .884 | 10, 10S | .083 | .8572 |
| .824 | 40, STD, 40S | .113 | 1.131 | ||
| .742 | 80, XS, 80S | .154 | 1.474 | ||
| .614 | 160 | .218 | 1.937 | ||
| .434 | XX | .308 | 2.441 |
| ANSI:ANSIB31.1,ANSI B36.10M,ANSI B31.3 | API:APL 5L B | ASME:ASMEB31.1,ASME B36.10M,ASME B31.3 |
| ASTM:ASTM A106, ASTM A53, ASTM A333, ASTM A252 | Application: | Coating:black |
| End Connection 1:Beveled | End Connection2 :Beveled | End Connection:beveled |
| Grade:B | Length:5M | Material:carbon steel |
| Origin:Global | Pipe Wall Type:Welded | Pipe Tubing Size:3/4inch |
| Pressure class:1100PSI | Schedule class:40 | Wall Thickness:0.113 |
3/4 inch carbon steel pipe Mechanical Properties
General Mechanical Properties for ASTM A106 Grade B Carbon Steel Pipe (3/4 inch):
Tensile Strength:
Minimum: 60,000 psi (415 MPa)
Yield Strength:
Minimum: 35,000 psi (240 MPa)
Elongation:
Minimum: 20% in 2 inches (for smaller diameters, such as 3/4 inch, the elongation requirement may be adjusted slightly).
Hardness:
Not specifically defined in the standard, but generally, carbon steel of this grade has a Brinell Hardness (HBW) of around 120-180.
Impact Resistance:
Typically measured by Charpy V-Notch test for applications requiring toughness, especially at lower temperatures. For ASTM A106, impact testing may be required if used in low-temperature environments, though it’s not a general requirement for standard applications.
Modulus of Elasticity:
Approximate: 29,000,000 psi (200 GPa)
3/4 inch carbon steel pipe Material Specifications
| Material Grade | Chemical Composition | Mechanical Properties |
| ASTM A53 Grade B | Carbon (C): ≤ 0.30% | Tensile Strength: 415 MPa (60,000 psi) |
| ASTM A106 Grade B | Manganese (Mn): 0.29 – 1.06% | Yield Strength: 240 MPa (35,000 psi) |
| ASTM A333 Grade B | Phosphorus (P): ≤ 0.05% | |
| Sulfur (S): ≤ 0.045% | ||
| Silicon (Si): ≤ 0.40% |
3/4 inch carbon steel pipe Applications
3/4 inch carbon steel pipe is suitable for conveying water or oil in scaffolding, handrails and relatively small spaces.