Tiếng Việt
ភាសាខ្មែរBlack welded steel pipe OD325 standard ASTM A106/ASTM A53 are widely used in construction, typically:
- Construction and installation of water systems on high-rise buildings
- Construction of ventilation system
- Assembling prefabricated steel house frames
- Production of load-bearing trusses
- Production of ultrasonic pile systems in foundation structures
- Steel pipes are used in space truss structures.
Technical specifications for the production of Black welded steel pipe OD325 standard ASTM A106/ASTM A53
Chemical composition of black steel pipes manufactured according to ASTM A53/A106 standards
Carbon steel according to ASTM A106 standard
| STANDARD | INGREDIENT | GRADE A | GRADE B | GRADE C |
|---|---|---|---|---|
| ASTM A106 | C % | 0,25 | 0,30 * | 0,35 * |
| * Mn % | 0,27 – 0,93 | * 0,29 – 1,06 | * 0,29 – 1,06 | |
| P % | 0,035 | 0,035 | 0,035 | |
| S % | 0,035 | 0,035 | 0,035 | |
| Si % | 0,1 | 0,1 | 0,1 | |
| Cr % | 0,4 | 0,4 | 0,4 | |
| Cu % | 0,4 | 0,4 | 0,4 | |
| Molypden % | 0,15 | 0,15 | 0,15 | |
| Ni % | 0,4 | 0,4 | 0,4 | |
| Vanadi% | 0,08 | 0,08 | 0,08 | |
| Tensile | Psi | 48000 | 60000 | 70000 |
| Yield durability | Psi | 30000 | 35000 | 40000 |
* Unless otherwise requested by the purchaser, for each reduction of 0.01% below the maximum Carbon level. An increase of 0.06% Manganese above the maximum level is only allowed to increase up to a maximum of 1.65% (1.35% for ASME SA106).
The sum of Cr, Cu, Mo, Ni, and V should not exceed 1%
Carbon steel according to ASTM A53 standard
| INGREDIENT | TYPE E | TYPE F | |
|---|---|---|---|
| (Electric- resistance welded) |
(furnace- welded pipe) |
||
| Grade A | Grade B | Grade A | |
| C % | 0.25 | 0.30* | 0.3 |
| Mn % | 0.95 | 1.2 | 1.2 |
| P % | 0.05 | 0.05 | 0.05 |
| S % | 45 | 45 | 45 |
| Cu % | 0.40 | 0.40 | 0.4 |
| Ni % | 0.40 | 0.40 | 0.4 |
| Cr % | 0.40 | 0.40 | 0.4 |
| Molybden% | 0.15 | 0.15 | 0.15 |
| Vanadi% | 0.08 | 0.08 | 0.08 |
| Độ bền kéo (Psi) | 48000 | 60000 | 48000 |
| Yield durability (Psi) | 30000 | 35000 | 30000 |
* For every 0.01% reduction below the maximum Carbon level. An increase of 0.06% Manganese above the maximum level is only allowed to increase up to a maximum of 1.65% (not applicable to SA53).
Advantages of black steel pipes OD325
The biggest advantages of black steel pipes OD325 are:
- Good bearing capacity: This is one of the most outstanding characteristics of black welded steel pipe products. Black steel pipe product lines in general can withstand pressure well. By both internal pressure and external force.
- Easy to install: Only need accompanying accessories such as elbows, sleeves, sleeves, flanges, etc. to connect steel pipe sections.
The production process of black welded steel pipe OD325 standard ASTM A106/ASTM A53
Tiger Steel Company – Address specializing in supplying and distributing black welded steel pipe OD325 products imported directly from abroad at competitive prices.