| Name | AS 1074: Steel tubes and tubulars for ordinary service |
| Scope | Specifies requirements forthreaded steel tubes and tubulars, and plain-end steeltubes suitable for screwing as specified in AS 1722.1 |
| Classifications | Three wall thicknesses of tube: designated Light,Medium, and Heavy |
| Tube | Can be welded and seamless tubes: length of uniform circular hollowsection |
| Screw Threads | Threaded tubes shall comply with AS 1722.1 |
| DN | DN 8 to DN 150 inclusive (nominal size) |
| Wall Thickness | 1.8mm-5.4mm |
| coating | Varnish coating,galvanized,3 layers PE,FBE,etc. |
| Related Standards | ISO 65;ISO 3183;ASTM A53;ASTM A106;BS EN 10255;BS 1387;DIN 2440;DIN 2448;JIS G 3452;JIS G 3454; CSA Z245.1;GOST 10704-91;SANS 62-1;API 5L;EN 10217-1;etc. |
| Chemical Composition | Scope |
| CE(Carbon equivalent) | ≤0.4 |
| P (Phosphorus) | max 0.045% |
| S (Sulfur) | max 0.045% |
CE(Carbon equivalent)=C+Mn/6
| Dimensional Tolerances | ||
| List | Type | scop |
| Thickness(T) | Light welded tubes | min 92% |
| Medium and heavy welded tubes | min 90% | |
| Medium and heavy Seamless tubes | min 87.5% | |
| Outside diameter(OD) | Light welded tubes | Table 2.1 |
| Medium tubes | Table 2.2 | |
| Heavy tubes | Table 2.3 | |
| Mass | total length≥150 m | ±4% |
| One steel pipe | 92%~110% | |
| lengths | Standard lengths | 6.50±0.08 m |
| Exact lengths Where exact lengths are specified,either for threaded tubes or for plain end tubes |
0 ~ +8 mm | |
| List | Classification | Value | |
| Tensile strength, min |
MPa | 320-460 | |
| Yield strength, min |
MPa | 195 | |
| Elongation a gauge length of 5.65√So, min |
% | 20 | |
Out Diameter Inspection
Wall Thickness Inspection
End Inspection
Straightness Inspection
UT Inspection
Appearance Inspection
Pipe End Beveling
Plastic Caps
Black Painting with Marking
Wrapper
Bundling and Sling
Package Appearance
Tubes shall be distinguished by colour at one end as follows:
| tube | color |
| Light tube | Brown |
| Medium tube | Blue |
| Heavy tube | Red |
AS 1074 steel pipe is used in a wide range of applications, including municipal water and gas distribution systems, fire sprinkler systems in buildings, and a variety of industrial and agricultural facilities.
Seamless Pipe Ship to Qatar
Seamless Pipe ship to Pakistan
Seamless Pipe Ship to South Africa
