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Astm A217

Standard Specification for Steel Castings, Martensitic Stainless and Alloy, for PressureContaining Parts, Suitable for High-Temperature Service 1

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1K views3 pages

Astm A217

Standard Specification for Steel Castings, Martensitic Stainless and Alloy, for PressureContaining Parts, Suitable for High-Temperature Service 1

Uploaded by

demetricons
Copyright
© © All Rights Reserved
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fp Designation: A 217/A 217M - 91 Standard Specification for Steel Castings, ‘hin tana ie rued unésr the [ae cigauion A ITPA 217%; Lensermed by Manderters Stodatdzaten S008 ‘Sine Vai oarevage Raney ‘exdrsed by Atcan Poona s Eacely Tn USSOE-NE Sea Martensitic Stainless and Alloy, for Pressure- Containing Parts, Suitable for High-Tem perature Service’ nba mandate flowing te digas isicaes she jar of ofgal adoption of. n ihe ci of reviion, the sear of lst revision. A eumber i parentaestsiedeats tbe ese of es eupaovae A aupencretemidor ) mest an eon change ince Use le revision or rampeosa “This pcfecton has Been approved for rt By epete of the Department af Defer, Conn the Ded tne of Specicaions and ‘Standards tor the ssc pear of tose whch bas eer eloped iy the Depart of Deere, 1, Scope 1.1 This specification? covers martensitic stainless steel and clloy steel castings for valves, flanges, fittings, and other pressure-containing parts (Note 1) intended primarily for high-temperature and corrosive service (Note 2). 1.2 One grade of martensitic stainless steel and eight ‘grades of ferntic alloy steel are covered. Selection will depend ‘on design and service conditions, mechanical properties, aud the high-temperatuze and corrosion-resisiant characteristics (Note 3). ‘Nove 1—Casbon steel cenings for pmssure-containing, pars are covered by Specification A 2I6/A 216M. Lew alloy queech- ncetempered graces equivalenr to Specification A 217/A 217M grades may be found in bors Specifications A 352/A 352M and A87/ AaaIM. NOTE 2—The pradcs covered by this specification represent ctaceials thay dee generally eieable for asserably With other caztings oF Yrounht steel pars by fusion welding, itis not intended to imply that these grades possess equal degrees of welGebiliny: therefore. iti the ‘esponsibility of ‘the purchaser to establish for himself a suitable welding technique. Since these grades possess varying degrecs of suicitity for high-teraperttor® and cotrosion-resistant service, it is also the respaasibility of the purchaser to determine which greta shall be furtled, die comsider~ ation being given to the requirements of the applicable construction odes. ‘Nove 3The conmmitte formulaing thls specification has incited nine grades of materials tat are consdered Lo represent basis types of Ferntie aloy seth suitable for valves, flanges fitings, and ther pressure-containing pans, Additional allay steis that may beter fUIBIL ‘etain types of service wil be egnsidered for smelusion i this specifica tio by the coramiriee as the need becomes apparent. 1.3 The values stated in either inch-pound units or SI ‘units ere to be regarded separately as standard, Within the text, the ST anits are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must De used independently of the other. Combining values. from the two systems may result in nonconformance with the specification. Inch-pound units are applicable for mate rial ordered to Specification A 217 and SI units for materials ordered to Specification A 217M. This pacer der she junstetion of ASTM Con oils At oa Stel Sink Stel and Related Alleys amd othe Qsecezespanut iy of Subsomrides ADI. 0 Camings. ‘Current sition aopcons Aun. 15, (HL, Published O:tobor (985, Originally pebiabed ay 8.217 «32 T. Las powvicutestlon 21728 2M = f, "TFar ASME Boils ona Premure Weel Code 2cocttons, se tla Spe= ann Sars 7/98 7778 ia Seton IT hat COUR. 100 2. Referenced Documents 2.1 ASTM Standards: AIGA 216M Specification for Steel Castings, Carbon, Suitable for Fusion Welding, for High-Temperature Service? A 352/A 352M Specification for Steel Castings, Ferritic and Martensitic, for Pressure-Comtaining Parts, Suitable for Low-Temperature Service’ AABT/A 487M Specification for Steel Castings Suitabie for Pressure Service” A.d88/A 488M Practice for Steel Castings, Welding, Qual- ifications of Procedures and Personnel* A. 103/A 703M Specification for Steel Castings, General Reqairements, for Pressure-Containing Parts? ‘A.802/A 802M Practice for Steel Castings. Surface Accep- tance Standards, Visual Examination* E 165 Practice for Liquid Penetrant Inspection Method? E 709 Practice for Magnetic Particle Examination’ 3.1 Material furnished to this specification shall conform to the applicable requiromems of Specification A 703/ A 703M, including the supplementary requirements that 2¢¢ indicated on the purchaser's order. 4, Ordering Information 4.1. The inquiry and order should include or indicate the following: 4.1.1 A description of the casting by pattems number or drawing (dimensional tolerances shall be included on the drawing), 4.1.2 Grade of steel, 4.1.3 Options in the specification. and 4.14 The supplementary sequirements desired including the standards of aceeprance. 4. Heat Treatment 5.1 All castings shall receive a heat treatment proper t0 their design and chemical composition 5.2 Castings shall be furnished in the normalized and tempered conditions; Grades WC1. WC4, WC3_ WC6, and CALS shall be tempered at 1100°F [395°C] min: Grade: 2 amiual Bk af ASTM Standards. Vols 1.04 and 0402. Armada of ASTM Standards, Yok O1.03 tami Baie Wf ASTI Standards, Yol O05. suey f+ “a mn raat form 703) ace e the at oF the ding, 1 to and and aces, Gb A217/0 217M ‘TABLE 1 Ghestisal Requirements Nore-nal lac ae mania unless ner le Gompasiion Teche axe ‘a @ Gmum Grom Comin Gaiam Chron ear creme creme Sie” Yee” Stee” ieee Grote aye cnn Soman eum iru em — tn Sy wet woe wos wos, wes. wort cs oon Geen 28 Teens oosei 05-020 ——

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