ASTM A53 Gr.B Seamless Steel Pipe Sch40 Bare Pipe API Certified
ASTM A53 Steel Pipe Description
ASTM A53 is a standard specification from ASTM International that covers seamless and welded black and hot-dipped galvanized steel pipe for mechanical and pressure applications, as well as for ordinary uses in steam, water, gas, and air lines. Though it’s not specifically designed as casing pipe (which is typically covered under API 5CT), A53 pipe is sometimes used as a casing alternative in structural or shallow well applications.
- Product Name: Seamless pipe, seamless steel pipe, seamless carbon steel pipe, carbon seamless steel pipe,Seamless Line pipe.
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Standard and Grade:
API 5L /ASTM A106, Grade B; ASTM A53, Gr.A,Gr.B; DN 17175/EN10216-2, Grade ST35, ST45, ST52, 13CrMo44; DIN 2391/EN10305-1, Grade St35, St45, St52; DIN 1629/EN10216-1, Grade St37, St45, St52; JIS G3429 STH11; JIS G3429 STH12; JIS G3429 STH21; JIS G3429 STH22.
- Steel Pipe Dimensions OD: 1/2” to 2”, 3”, 4”, 6”, 8”, 10”, 12”, 16 inch, 18 inch, 20 inch, 24 inch, 26 inch to 40 inch.
- Pipe Weight Schedule Thickness: SCH 10. SCH 20, SCH 40, SCH STD, SCH 80, SCH XS, to SCH 160.
- Length Range: 20 FT (6 meter), 40FT (12 meter)or customized.
- Ends Type: Beveled ends, Plain ends.
- Protection Caps in plastic or iron.
- Surface: Natural, Varnished, Black painting, FBE and 3PE.
- Manufacturing types: Hot-rolled seamless pipe, Cold drawn (rolled) pipe and tube, Thermal expansion pipe, Cold spinning tube and Squeeze tubes.
ASTM A53 Steel Pipe Chemical Composition
| Element |
Grade A (max %) |
Grade B (max %) |
| Carbon (C) |
0.25 |
0.3 |
| Manganese (Mn) |
0.95 |
1.25 |
| Phosphorus (P) |
0.05 |
0.05 |
| Sulfur (S) |
0.045 |
0.045 |
| Copper (Cu)* |
0.4 |
0.4 |
ASTM A53 Steel Pipe Chemical Composition Mechanical Properties
| Property |
Grade A |
Grade B |
| Yield Strength |
≥ 30,000 psi |
≥ 35,000 psi |
| Tensile Strength |
≥ 48,000 psi |
≥ 60,000 psi |
| Elongation |
20-30% |
18-30% |
ASTM A53 Steel Pipe Application
| Types |
Application |
| Structure Purposes |
General structure and mechanical |
| Liquid Services |
Petroleum, gas and other fluids conveying |
| Low and Medium Pressure Boiler Tube |
Steam and boiler manufacturing |
| Hydraulic Pillar Service |
Hydraulic support |
| Auto Semi-shaft Casing |
Auto sem-shaft casing |
| Line Pipe |
Oil and gas conveying |
| Tubing and Casing |
Oil and gas conveying |
| Drill Pipes |
Well drilling |
| Geological Drilling Pipe |
Geological drilling |
| Furnace tubes, heat exchangers tubes |
Furnace tubes, heat exchangers |
ASTM A53 Steel Pipe Manufacturing Process
The process begins with solid steel rounds, or billets, being cut to a specified length and sent through a walking-beam reheat furnace, where temperatures reach nearly 2,300°F. After exiting the reheat furnace, the preheated rounds are turned into a tube shell in the rotary piercing mill as the billets are cross-rolled between two barrel-shaped rolls at a high speed.
The seamless shells enter mandrel mill, where they are rolled over a retained mandrel to provide the needed OD size and wall thickness for the next process. The process is carefully monitored using a state-of-the-art hot-wall measuring system. The shells are then reheated for final forming in a 24-stand stretch-reducing mill, where outside diameters are formed to customers’ exacting specifications. Wall thickness is again verified using a hot-wall measuring system. After being rotated and advanced on the walking-beam cooling bed, the pipes are batch cut and transferred to an in-process storage area, where they are handled by computer-controlled gantry cranes.
ASTM A53 Steel Pipe Packing & Loading
a. 1/2"-2"Plain end with black oil paint, caps both ends, bundles with loading belt.
b. 2"-4"Beveled end with black oil paint, caps both ends, bundles with loading belt.
c. 10"-20"Beveled end with black oil paint, caps both ends, loose packed in to container.
Beveled End Pipe Marking Black Painting
Pipe end caps Protective Final inspection Bundles Packing
ASTM A53 Steel Pipe Shipping
a.By container
b.By bulk
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ASTM A53 Gr.B Seamless Tube Sch40 Bare Pipe For Mechanical API Certified Images
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