This article is about Aluminum Temporary Pipe Closures – Plugs and technical specification based on international codes and standards of ASME SB-247.
Aluminum Temporary Pipe Closures – Plugs | ASME SB-247
| Scope Description | Temporary pipe closures manufactured from aluminum forged bar of
pressure vessel quality. |
| Material Specification | ASME SB-247. Alloy 6061 Temper T6
Or ASME SB-221 Alloy 6061 Temper T6 Or ASME SB-247 Alloy 5083 Temper H112 Or ASME SB-221 Alloy 5083 Temper 0 Or ASME SB-221 Alloy 5083 Temper H112 Or YS/T 479-2005 Alloy 5083 Temper H112 Or other alternates in conformance to the requirements as listed in the Mechanical Strength section. Plug material shall be pressure vessel quality. |
| Dimensional
Specification |
Per Material Specification |
| Purchase Order | See purchase order for sizes, quantity, and delivery and shipping instructions. |
| Lengths | See Figure 1. |
| Tolerances | Specified thickness is minimum acceptable. +0/-0.5 mm for diameter D. |
| Drawings | Not required.
See Figure 1. |
| Calculations | Not required. |
| Chemical Composition | Per Material Specification |
| Mechanical Strength | Minimum Yield Strength — 109 Mpa (16 ksi) |
| Welding | Not applicable. |
| Heat Treatment | Per Material Specification. Heat treatment to ASTM B 597 (now B 918) is not required. |
| Inspection | Per Material Specification. Air Products inspection is not required unless specified in the purchase order. |
| Testing | Per Material Specification. No extra testing is required. Tensile survey tests are not required. |
| Examination | Per Material Specification. Liquid penetrant examinations are not required. |
| Certification | Mill certificate or, in Europe only, inspection certificate Type 3.1 to EN 10204. Also see General Piping Material Purchase Specification. |
| Marking | Per Material Specification Marking shall also include the heat number and the Commodity Code. Also see 4WPI-M00001. |
| Protection | Per Material Specification. Protection to ASTM B 660 is not required. |
| Color Coding | Not required. |
| Packing | Shipment and Packing Specification for Equipment and Materials. Suitable packing shall be provided to ensure that all items arrive at the contractual point of delivery in an undamaged condition. Refer to the purchase order for specific packing standards and instructions. |
| Special Requirements | None. |
Where:
D = plug outside diameter in mm, see Commodity Code
T = plug thickness/length in mm, see Commodity Code
Commodity Code construction (see 4WPI-FWZC01) shows the dimensions D and T thus:
MWWAAxxxxDRyyyTH
Where “xxxx” is the D dimension in mm and “yyy” is the T dimension in mm.
Note: This engineering specification shall be used in conjunction with General Piping Material Purchase Specification.