ASTM A252 SCH40 GR 2 OD 34 inch DRL seamless steel pipes
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October 23, 2016
ASTM A53 steel pipe OD 10 inch SCh40 60 80
October 28, 2016
ASTM Specification A252 describes nominal (average) wall steel pipe stacks of cylindrical shape and uses to pipe piles in which the steel cylinder functions as a permanent load-carrying member or as a shell to form case-in-place concrete stacks.
Surface imperfections exceeding 25% of the nominal wall in depth are thought about flaws. Problems not going beyond 22.5% of the small wall in depth may be repaired by welding. Before welding, the flaw shall be completely eliminated.
ASTM A252 Gr 2 Mild Steel Piles are widely used for different projects and construction structure, just since it’s inexpensive however the steel pipe residential or commercial properties are likewise acceptable for jobs application. Moderate steel consists of approximately 0.05– 0.320% carbon making it flexible and ductile. Moderate steel piles has a fairly low tensile strength, but it is cheap and malleable; surface solidity can be increased through carburizing.
A252 Gr 2 Mild Steel Piles are generally for stacking pipelines and tubes purpose. Large size OD 34inch Steel Pipe Piles might be utilized in cross sea bridge, cross mountain bridge, developing foundation, buildings foundations application.
MECHANICAL PROPERTIES – TENSILE REQUIREMENTS
| Grade 1 | Grade 2 | Grade 3 | |
| Tensile Strength, min, psi | 50,000 | 60,000 | 66,000 |
| Yield Strength | 30,000 | 35,000 | 45,000 |
CHEMICAL REQUIREMENTS FOR A252
| Phosphorus | |
| Seamless and ERW Welded | Max% 0.050 |
astm a252
Specifications of ASTM A252 SCH40 GR 2 OD 34 inch DRL seamless steel pipes
| Product Name | ASTM A252 SCH40 GR 2 OD 34 inch DRL seamless steel pipes |
| Outside Diameter | 34 inch / 864mm |
| Diameter Tolerance | 855.36mm~872.64mm (± 1 % of OD as per ASTM A252) |
| Steel Piles Wall Thickness | Schedule 40 / 17.48mm |
| Wall Thickness Tolerance | 15.30mm~19.67mm ( ± 12.5% of specified wall thickness per A252) |
| Out-of-roundness | 2% for hollow sections having diameter to thickness ratio not exceeding 100 |
| Steel Piles Length |
1. Single Random Length and double Random Length. 2. SRL:3M-5.8M DRL:10-11.8M or As clients requested length
3. fixed length(5.8m, 6m, 12m)
|
| Pile Straightness | 0,20 % of total length and 3 mm over any 1 m length |
| Pipe Standard | ASTM A252, ASTM A53, A106, API 5L, ASTM A500,etc |
| Steel Piles Grade | Grade 1, Grade 2, Grade 3 or other equivalent steel grade |
| Pipe Test | UT test, Tensile test, Yield test, Flatten test or other required tests |
ends of ASTM A252 piling pipe
Beveled (Can be Protected By Plastic Caps or Steel Rings According to Your Requirements)Also We Can Weld Flanges on the Pipe Ends Plain Ends
applications of ASTM A252 pipe:
liquid delivery, common use pipe, Structure pipe, gas delivery. piling tube,
surface treatment of ASTM A252 pipe
1) Bared
2) Black Painted (varnish coating)
3) Galvanized
4) With Oiled
5) 3 PE, FBE, corrosion resistant coating
capacity of the pipes: 10000tons/month
