ASTM A672 C65 EFW Pipe
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The ASTM A672 is a specification which covers electrical fusion welded, or abbreviated in short as EFW steel pipe. This specified ASTM A672 C65 electric fusion welded steel pipe is a grade which has been designed for use in high pressured service. While the ASTM A672 C65 cl22 electric fusion welded steel pipe can be utilized in applications involving high pressure, it is important to note that the ASTM A672 C65 steel pipe must be used up until moderate temperatures. Heat treatment may or may not be required to be performed on the ASTM A672 C65 EFW Straight Welded pipe in order to attain its desired properties. Neither does conducting a heat treatment on the a672 gr C65 cl22 Lower Temperature Pipe comply with the applicable code requirements according to this specification.
An analysis of each mill heat of plate material used in the ASTM A672 C65 is to be conducted. Also, an analysis of the finished deposited weld material needs to be done on the a672 gr C65 EFW Straight Welded pipe. This analysis is to be performed on the ASTM A672 C65 Electric Fusion Welded Pipe from each about 500 ft or fraction thereof. The mechanical test requirements for the ASTM specified A672 C65 Fusion Welded Pipe includes a single tension test specimen, which has been used to represent each lot of finished pipe. Additionally a single transverse guided weld bend test, which would require about two specimens can be used to represent each lot of finished A672 c65 cl22 Welded pipe. Also, according to the specification a radiographic examination is to be conducted on the ASTM A672 C65 EFW Pipe to be completed on the full length of each weld.
ASTM A672 C65 EFW Pipe
A672 gr C65 EFW Straight Welded pipe
A672 C65 Fusion Welded Pipe
ASTM A672 C65 cl32 Low Temp Pipe
Low CS ASTM A672 gr C65 class 22
A672 C65 cl22 electric fusion welded pipe
| Standard Specification | A516-65 |
| Codes and Standards | ANSI, ASME, ASTM, API, SAE, BS, AGA, AWWA, ISO, DIN |
| Dimensions | ASME/ ANSI B36.10 / 19 |
| Standard Size | 1/2” NB to 36” NB (LSAW, SSAW, HSAW) |
| Wall Thickness | 3-12mm |
| Pipe schedules | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Producing techniques | Seamless / ERW / Welded / Fabricated / CDW / EFW |
| Available Shapes | Round, Half Round, Square, Rectangular or Custom shape |
| TECHNIQUE | UO (UOE), JCO (JCOE, COE) |
| Length | 3 to Max18 Meters or custom |
| Pipe End | Beveled End, Plain End, Treaded |
| Mill Test Certificate | EN 10204/3.1B |
| Carbon Steel ASTM A672 C65 class 22 Round Pipes | PTFE lined Carbon Steel ASTM A672 C65 class 22 Natural Gas Pipes |
| A672 gr C65 cl32 Drill Pipes | ASTM A672 C65 cl22 Grooved Pipes |
| ASTM A672 C65 Square Pipes | A672 gr C65 cl22 Hydraulic Pipes |
| ASTM A672 C65 Low Temp Pipes | EFW Black A672 gr C65 cl22 Pipes |
| Large Diameter EFW ASTM A672 C65 cl22 Pipes | Schedule 80 EFW ASTM A672 C65 Pipes |
| Epoxy Coated A672 gr C65 cl32 Pipes | Cement lined ASTM A672 C65 Pipes |
| A672 gr C65 Welded Pipes | ASTM A672 C65 cl23 Oval Pipes |
| Low CS ASTM A672 gr C65 class 22 Erw Pipes | Carbon Steel ASTM A672 C65 class 22 Casing Pipes |
| ASTM A672 C65 cl22 Schedule 40 Pipes | ASME B36.19 A672 gr C65 cl32 Pipes |
| A672 gr C65 cl22 Schedule 10 Pipes | ASTM A672 C65 Double Wall Pipes |
| ASTM A672 C65 cl23 Efw Pipes | Epoxy lined A672 gr C65 Pipes |
| A672 gr C65 Rectangular Pipes | ASTM A672 C65 cl23 Hollow Pipes |
| Schedule 40 Welded A672 gr C65 Pipes | Thin Wall A672 gr C65 Pipes |
| A672 Grades | Chemical composition | |||||
| C | Si | Mn | P | S | Ti | |
| -/A45 | -/0.17 | - | 0.98 | 0.035 | 0.035 | - |
| -/A50 | -/0.22 | - | ||||
| CA55 / A55 | 0.28 | - | ||||
| -/B55 | -/0.20 | 0.13 ~0.45 |
||||
| CB60 / B60 | 0.24 | |||||
| CB65 / B65 | 0.28 | |||||
| CB70 / C70 | 0.31 | 1.30 | ||||
| -/C55 | -/0.18 | 0.55 ~0.98 |
||||
| CC60/ C60 | 0.21 | |||||
| CC65 / C65 | 0.24 | 0.79 ~1.30 |
||||
| CC70 / C70 | 0.27 | |||||
| A672 Grades | Yield Strength (N/mm2) | Tensile Properties (N/mm2) | Elongation (%) | Welding point tensile strength (N/mm2) |
|---|---|---|---|---|
| -/A45 | -/165 | -/310~450 | -/30 | -/310~450 |
| -/A50 | -/185 | -/345~485 | -/28 | -/345~485 |
| CA55 / A55 | 205 | 380~515 | 27 | 380~515 |
| -/B55 | -/205 | -/380~515 | -/27 | -/380~515 |
| CB60 / B60 | 220 | 415~550 | 25 | 415~550 |
| CB65 / B65 | 240 | 450~585 | 23 | 450~585 |
| CB70 / C70 | 260 | 485~620 | 21 | 485~620 |
| -/C55 | -/205 | -/380~515 | -/27 | -/380~515 |
| CC60/ C60 | 220 | 415~550 | 25 | 415~550 |
| CC65 / C65 | 240 | 450~585 | 23 | 450~585 |
| CC70 / C70 | 260 | 485~620 | 21 | 485~620 |
EFW Pipes for high pressure services
