September 2013 Process Industry Practices Piping Purchasing Requirements for Bolting
PURPOSE AND USE OF PROCESS INDUSTRY PRACTICES In an effort to minimize the cost of process industry facilities, this Practice has been prepared from the technical requirements in the existing standards of major industrial users, contractors, or standards organizations. By harmonizing these technical requirements into a single set of Practices, administrative, application, and engineering costs to both the purchaser and the manufacturer should be reduced. While this Practice is expected to incorporate the majority of requirements of most users, individual applications may involve requirements that will be appended to and take precedence over this Practice. Determinations concerning fitness for purpose and particular matters or application of the Practice to particular project or engineering situations should not be made solely on information contained in these materials. The use of trade names from time to time should not be viewed as an expression of preference but rather recognized as normal usage in the trade. Other brands having the same specifications are equally correct and may be substituted for those named. All Practices or guidelines are intended to be consistent with applicable laws and regulations including OSHA requirements. To the extent these Practices or guidelines should conflict with OSHA or other applicable laws or regulations, such laws or regulations must be followed. Consult an appropriate professional before applying or acting on any material contained in or suggested by the Practice. This Practice is subject to revision at any time. Process Industry Practices (PIP), Construction Industry Institute, The University of Texas at Austin, 3925 West Braker Lane (R4500), Austin, Texas 78759. PIP member companies and subscribers may copy this Practice for their internal use. Changes or modifications of any kind are not permitted within any PIP Practice without the express written authorization of PIP. Authorized Users may attach addenda or overlays to clearly indicate modifications or exceptions to specific sections of PIP Practices. Authorized Users may provide their clients, suppliers and contractors with copies of the Practice solely for Authorized Users purposes. These purposes include but are not limited to the procurement process (e.g., as attachments to requests for quotation/ purchase orders or requests for proposals/contracts) and preparation and issue of design engineering deliverables for use on a specific project by Authorized User s client. PIP s copyright notices must be clearly indicated and unequivocally incorporated in documents where an Authorized User desires to provide any third party with copies of the Practice. PRINTING HISTORY March 2000 Issued September 2013 Complete Revision February 2008 Complete Revision Not printed with State funds
September 2013 Process Industry Practices Piping Purchasing Requirements for Bolting Table of Contents 1. Introduction... 2 1.1 Purpose... 2 1.2 Scope... 2 2. References... 2 Industry Codes and Standards... 2 3. Definitions... 2 4. Requirements... 3 4.1 General... 3 4.2 Design and Fabrication... 3 4.3 Testing, Inspection, and Rejection... 3 4.4 Documentation... 4 4.5 Shipping and Handling... 4 Process Industry Practices Page 1 of 4
Purchasing Requirements for Bolting September 2013 1. Introduction 1.1 Purpose This Practice provides purchasing requirements for bolting. 1.2 Scope This Practice describes the minimum requirements for purchasing bolting specified in PIP Piping Material Specifications. 2. References Applicable parts of the following industry codes and standards shall be considered an integral part of this Practice. The edition in effect on the date of contract award shall be used, except as otherwise noted. Short titles will be used herein where appropriate. Industry Codes and Standards 3. Definitions American Petroleum Institute (API) API RP 578 - Material Verification Program for New and Existing Alloy Piping Systems American Society of Mechanical Engineers (ASME) ASME B1.1 - Pipe Threads, General Purpose (Inch) ASME B31.3 - Process Piping American Society for Testing and Materials (ASTM) ASTM A153 - Zinc Coating (Hot-Dip) on Iron and Steel Hardware ASTM A563 Carbon and Alloy Steel Nuts Process Industry Practices (PIP) VESPMI01 - Positive Material Identification Specification manufacturer: The party responsible for making the bolting owner: The party who owns the facility wherein the bolting will be used supplier: The party responsible for furnishing and/or installing the bolting purchaser: The party who awards the contract to the supplier. The purchaser may be the owner or the owner s authorized agent. Process Industry Practices Page 2 of 4
Purchasing Requirements for Bolting September 2013 4. Requirements 4.1 General 4.1.1 Bolting shall be provided in accordance with the following requirements provided in the purchase order and this Practice: a. Sizes, lengths, and quantities b. Materials of construction c. Applicable standards & codes d. Handling and packaging 4.1.2 Bolting not in accordance with the purchase order and this Practice shall be subject to rejection. 4.1.3 All conflicts between the requirements of the purchase order and this Practice shall be referred to the purchaser, in writing, for clarification and resolution before proceeding with the manufacture or procurement of the affected bolting. 4.1.4 Any substitutions to, or variance from, this Practice shall require the purchaser s written approval before implementation. 4.1.5 An established, routine, and documented quality control program shall be used. If requested, the quality control program shall be submitted to the purchaser for approval. 4.2 Design and Fabrication 4.2.1 Unless otherwise specified in the purchase order, one nut shall be furnished with each machine bolt and two nuts with each stud bolt. 4.2.2 Bolting shall be marked in accordance with the applicable ASTM/ASME standards. 4.2.3 Unless specified otherwise, galvanized bolting shall be hot dipped in accordance with ASTM A153. 4.2.3.1 Bolts shall have ASME B1.1 class 2A thread before galvanizing. 4.2.3.2 Nuts shall be tapped oversize after coating in accordance with ASTM A563. 4.2.4 Unless specified otherwise, bolts shall be fully threaded studs. 4.3 Inspection and Testing 4.3.1 All testing (including chemical, tensile, hardness, proof load, and impact testing) required by the applicable ASTM standards and the purchase order shall be performed. 4.3.2 Hardness testing for strain hardened stainless steel bolting shall be in accordance with ASME B31.3. 4.3.2.1 For all design temperatures, the maximum hardness shall be Rockwell C35 immediately under the thread roots. Process Industry Practices Page 3 of 4
Purchasing Requirements for Bolting September 2013 4.3.2.2 The hardness shall be taken on a flat area at least 3 mm (1/8 inch) across, prepared by removing threads. No more material than necessary shall be removed to prepare the area. 4.3.2.3 Hardness determination shall be made at the same frequency as tensile tests. 4.3.3 All facilities, materials, and fabrication work associated with the bolting shall be subject to inspection by the purchaser. 4.3.4 Positive Material Identification (PMI) of alloy material shall be performed by the supplier in accordance with PIP VESPMI01 and API RP 578 if specified in the purchase order. 4.3.5 Acceptance of the bolting by the purchaser shall not relieve the supplier of the responsibility to provide the bolting in accordance with the requirements of this Practice and the purchase order. 4.4 Documentation 4.4.1 All documentation required herein shall be identified with the specific materials represented. All documentation shall be available for review by the purchaser at the time and place of inspection. 4.4.2 Material test reports shall be provided if specified in the purchase order. 4.4.3 Documentation other than that specified in this Practice shall be provided in accordance with the purchaser s request for quotation and/or purchase order. 4.5 Shipping and Handling 4.5.1 Bolting shall be suitably packaged to protect against damage during handling and shipment. 4.5.2 Non-galvanized carbon steel and ferro-alloy (up to 12 Cr) bolting shall be suitably protected from environmental corrosion for shipment and storage. 4.5.3 Bolting of different materials of construction, styles, and sizes shall be packaged separately. 4.5.4 Unless otherwise specified, package markings shall be in English. 4.5.5 In addition to the receiving address, each box, crate, or bag shall be durably marked with purchaser s part identification number, complete purchase order number, length, quantity, and product specification bolting type. Process Industry Practices Page 4 of 4