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    SAE AMS 5556J-2016 Steel Corrosion and Heat-Resistant Seamless or Welded Hydraulic Tubing 18Cr - 11Ni - 0 70Cb (347) Solution Heat Treated (UNS S34700).pdf

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    SAE AMS 5556J-2016 Steel Corrosion and Heat-Resistant Seamless or Welded Hydraulic Tubing 18Cr - 11Ni - 0 70Cb (347) Solution Heat Treated (UNS S34700).pdf

    1、_ SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising there

    2、from, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2016 SAE International All rights reserved. No part of this p

    3、ublication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-497

    4、0 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AMS5556J AEROSPACE MATERIAL SPECIFICATION AMS5556 REV. J Issued 1955-08 Reaffirme

    5、d 2008-05 Revised 2016-08Superseding AMS5556H Steel, Corrosion and Heat-Resistant, Seamless or Welded Hydraulic Tubing 18Cr - 11Ni - 0.70Cb (347) Solution Heat Treated (Composition similar to UNS S34700)RATIONALE AMS5556J revises Quality (3.5.3), Acceptance Tests (4.2.1) and Reports (4.4), and is a

    6、Five Year Review and update of this specification. 1. SCOPE 1.1 Form This specification covers a corrosion and heat-resistant steel in the form of seamless or welded and drawn tubing. 1.2 Application This tubing has been used typically for parts requiring both corrosion and heat resistance, especial

    7、ly when such parts are welded during fabrication, but usage is not limited to such applications. The alloy provides oxidation resistance up to 1500 F (816 C) but is useful at that temperature only when stresses are low. 1.3 Classification Tubing covered by this specification is classified as follows

    8、: Type 1 Seamless Type 2 Welded and drawn 1.3.1 Unless a specific type is ordered, either type may be supplied. 2. APPLICABLE DOCUMENTS The issue of the following documents in effect on the date of the purchase order forms a part of this specification to the extent specified herein. The supplier may

    9、 work to a subsequent revision of a document unless a specific document issue is specified. When the referenced document has been cancelled and no superseding document has been specified, the last published issue of that document shall apply. SAE INTERNATIONAL AMS5556J Page 2 of 7 2.1 SAE Publicatio

    10、ns Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or +1 724-776-4970 (outside USA), www.sae.org. AMS2243 Tolerances Corrosion and Heat-Resistant Steel Tubing AMS2248 Chemical Check Analysis Limits Corrosion and Heat-Resi

    11、stant Steels and Alloys, Maraging and Other Highly-Alloyed Steels, and Iron Alloys AMS2371 Quality Assurance Sampling and Testing Corrosion and Heat-Resistant Steels and Alloys Wrought Products and Forging Stock AMS2634 Ultrasonic Inspection Thin Wall Metal Tubing AMS2807 Identification Carbon and L

    12、ow-Alloy Steels, Corrosion and Heat-Resistant Steels and Alloys Sheet, Strip, Plate, and Aircraft Tubing 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM A262 Detecting Susceptibilit

    13、y to Intergranular Attack in Stainless Steels ASTM A370 Mechanical Testing of Steel Products ASTM E112 Determining Average Grain Size ASTM E353 Chemical Analysis of Stainless, Heat-Resisting, Maraging, and Other Similar Chromium-Nickel-Iron Alloys ASTM E426 Electromagnetic (Eddy Current) Examination

    14、 of Seamless and Welded Tubular Products, Titanium, Austenitic Stainless Steel and Similar Alloys ASTM E1417/E1417M Liquid Penetrant Testing 3. TECHNICAL REQUIREMENTS 3.1 Composition Shall conform to the percentages by weight shown in Table 1, determined by wet chemical methods in accordance with AS

    15、TM E353, by spectrochemical methods, or by other analytical methods acceptable to purchaser. Table 1 Composition Element min max Carbon - 0.08 Manganese - 2.00 Silicon 0.50 1.00 Phosphorus - 0.040 Sulfur - 0.030 Chromium 17.00 19.00 Nickel 9.00 13.00 Columbium (Niobium) 10xC 1.10 Molybdenum - 0.75 C

    16、opper - 0.75 SAE INTERNATIONAL AMS5556J Page 3 of 7 3.1.1 Check Analysis Composition variations shall meet the applicable requirements of AMS2248. 3.2 Condition Solution heat treated and, unless solution heat treatment is performed in an atmosphere yielding a bright finish, pickled as required or pa

    17、ssivated. 3.3 Fabrication Tubing shall be produced by either a seamless or a welded and drawn process. Any finishing operation applied to remove objectionable pits and surface blemishes shall be performed prior to final solution heat treatment. A light polish to improve external surface appearance m

    18、ay be employed after solution heat treatment, and, if performed, the product shall be subsequently passivated. 3.3.1 Welded (Type 2) tubing shall be cold reduced after welding to remove any dimensional indication of the presence of the weld. 3.4 Properties Tubing shall conform to the following requi

    19、rements; tensile and bend testing shall be performed in accordance with ASTM A370: 3.4.1 Tensile Properties Shall be as shown in Table 2. Table 2A - Tensile properties, inch/pound units Nominal OD Inches Nominal Wall Thickness Inches Tensile Strength ksi Yield Strength at 0.2% Offset ksi, min Elonga

    20、tion in 2 inches %, min Strip Elongation in 2 inches %, min Full Tube Up to 0.188, incl. Up to 0.016, incl. 75 to 120 30.0 - 33 Over 0.016 75 to 105 30.0 - 35 Over 0.188 to 0.500, incl. Up to 0.010, incl. 75 to 115 30.0 30 35 Over 0.010 75 to 105 30.0 30 35 Over 0.500 Over 0.010 75 to 105 30.0 30 35

    21、 Table 2B - Tensile properties, SI units Nominal OD Millimeters Nominal Wall Thickness Millimeters Tensile Strength MPa Yield Strength at 0.2% Offset MPa, min Elongation in 50.8 mm %, min Strip Elongation in 50.8 mm %, min Full Tube Up to 4.78, incl. Up to 0.41, incl. 517 to 827 207 - 33 Over 0.41 5

    22、17 to 724 207 - 35 Over 4.78 to 12.70, incl. Up to 0.25, incl. 517 to 793 207 30 35 Over 0.25 517 to 724 207 30 35 Over 12.70 Over 0.25 517 to 724 207 30 35 SAE INTERNATIONAL AMS5556J Page 4 of 7 3.4.2 Flarability Specimens as in 4.3.1 shall withstand flaring at room temperature, without formation o

    23、f cracks or other visible defects, by being forced axially with steady pressure over a hardened and polished tapered steel pin having a 74 degree included angle to produce a flare having the permanent expanded OD not less than that specified in Table 3. Table 3A - Flarability, inch/pound units Nomin

    24、al OD Inches Expanded OD Inches Nominal OD Inches Expanded OD Inches 0.125 0.200 0.750 0.937 0.188 0.302 1.000 1.187 0.250 0.359 1.250 1.500 0.312 0.421 1.500 1.721 0.375 0.484 1.750 2.106 0.500 0.656 2.000 2.356 0.625 0.781 Table 3B - Flarability, SI units Nominal OD Millimeters Expanded OD Millime

    25、ters Nominal OD Millimeters Expanded OD Millimeters 3.18 5.08 19.05 23.80 4.78 7.67 25.40 30.15 6.35 9.12 31.75 38.10 7.92 10.69 38.10 43.71 9.53 12.29 44.45 53.49 12.70 16.66 50.80 59.84 15.88 19.84 3.4.2.1 Tubing with nominal OD between any two standard sizes given in Table 3 shall take the same p

    26、ercentage flare as that for the larger of the two sizes. 3.4.3 Pressure Test Tubing shall show no bulges, leaks, pinholes, cracks, or other defects when subjected to an internal hydrostatic pressure (P), except that a diametric permanent set of 0.002 inch/inch (0.002 mm/mm) of diameter is acceptable

    27、. The hydrostatic pressure (P) shall be determined from Equation 1: (Eq. 1)where: P = Test pressure in ksi (MPa) S = 30.0 ksi (207 MPa) D = Nominal OD in inches (mm) (nominal OD plus tolerance) d = Nominal ID in inches (mm) (nominal OD minus twice the minimum wall thickness) SAE INTERNATIONAL AMS555

    28、6J Page 5 of 7 3.4.4 Susceptibility to Intergranular Attack Specimens from tubing, after sensitizing treatment, shall pass the intergranular corrosion test performed in accordance with ASTM A262, Practice E. After immersion, tubing shall not exhibit intergranular attack or cracks when tested in acco

    29、rdance with the following: 3.4.4.1 Examination of OD Surface Shall be performed after flattening a 1 inch (25 mm) long specimen to a total thickness under load of three times the wall thickness. 3.4.4.2 Examination of ID Surface Shall be performed after splitting a 1 inch (25 mm) long specimen and f

    30、olding the split specimen, with ID surface on the outside of fold, around a mandrel having a diameter equal to the wall thickness of the tube. 3.4.4.2.1 Tubing Over 0.625 Inch (15.88 mm) in OD The axis of the fold shall be parallel to the axis of the tube. 3.4.4.2.2 Tubing 0.625 Inch (15.88 mm) and

    31、Under in OD The axis of the fold shall be either parallel or transverse to the axis of the tube. 3.4.4.3 If a weld is visible, flattening and/or folding parallel to the tube axis shall be oriented so as to apply maximum tension to the weld. 3.4.5 Microstructure Tubing shall reveal no continuous inte

    32、rgranular carbide precipitation when electrolytically etched and examined microscopically at 500X magnification. The presence of some discontinuous intragranular carbide precipitation shall not be considered detrimental if the other technical requirements are met. 3.4.6 Average Grain Size Shall be A

    33、STM No. 5 or finer, determined by examination of a specimen, polished and electrolytically etched in 10% oxalic acid solution, in accordance with ASTM E112. 3.5 Quality 3.5.1 Tubing, as received by purchaser, shall be uniform in quality and condition and shall have a finish conforming to the best pr

    34、actice for high quality aircraft tubing. It shall be smooth and free from heavy scale or oxide, burrs, seams, tears, grooves, laminations, slivers, pits, and other imperfections detrimental to usage of the tubing. Surface imperfections, such as handling marks, straightening marks, light mandrel and

    35、die marks, and scale pattern, will not be considered injurious if the imperfections are removable within the tolerances specified for wall thickness but removal of such imperfections is not required. 3.5.2 Tubing shall be free from grease or other foreign matter. Metallic flakes or particles shall n

    36、ot be collected on a clean white cloth drawn through the bore of a sample tube. Discoloration of the cloth, without the presence of flakes or particles, is acceptable. 3.5.3 Tubing shall be subjected to fluorescent penetrant inspection in accordance with ASTM E1417/E1417M, to ultrasonic inspection i

    37、n accordance with AMS2634, to electromagnetic (eddy-current) testing in accordance with ASTM E426, or to any combination thereof. Tubing shall meet the requirements of 3.5 and other acceptance criteria established by the cognizant engineering organization. 3.6 Tolerances Shall conform to all applica

    38、ble requirements of AMS2243. SAE INTERNATIONAL AMS5556J Page 6 of 7 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The producer of tubing shall supply all samples for producers tests and shall be responsible for the performance of all required tests. Purchaser reserves the right t

    39、o sample and to perform any confirmatory testing deemed necessary to ensure that the tubing conforms to specified requirements. 4.2 Classification of Tests 4.2.1 Acceptance Tests Composition (3.1), tensile properties (3.4.1), flarability (3.4.2), microstructure (3.4.5), average grain size (3.4.6), c

    40、leanliness of tubing (3.5.2), nondestructive inspection (3.5.3), and tolerances (3.6) are acceptance tests and shall be performed on each heat or lot as applicable. 4.2.2 Periodic Tests Pressure test (3.4.3) and susceptibility to intergranular attack (3.4.4) are periodic tests and shall be performed

    41、 at a frequency selected by the producer unless frequency of testing is specified by purchaser. 4.3 Sampling and Testing Shall be in accordance with AMS2371 and the following: 4.3.1 Specimens for flarability test (3.4.2) shall be full tubes or sections cut from a tube. The end of the specimen to be

    42、flared shall be cut square, with the cut end smooth and free from burrs, but not rounded. One or more specimens from each lot shall be tested. 4.4 Reports The producer of the product shall furnish with each shipment a report showing the producers name and the country where the metal was melted (e.g.

    43、, final melt in the case of metal processed by multiple melting operations) and the following results of tests and relevant information: 4.4.1 For Each Heat Composition. 4.4.2 For Each Lot Tensile properties Flarability Microstructure Average grain size Nondestructive inspection, when specified. 4.4

    44、.3 A statement that the product conforms to the other technical requirements. 4.4.4 Purchase Order Number Heat and lot numbers AMS5556J Size Quantity. 4.5 Resampling and Retesting Shall be in accordance with AMS2371. SAE INTERNATIONAL AMS5556J Page 7 of 7 5. PREPARATION FOR DELIVERY 5.1 Sizes Except

    45、 when exact lengths or multiples of exact lengths are ordered, straight tubing will be acceptable in mill lengths of 6 to 20 feet (1.8 to 6.1 m) but not more than 10% of any shipment shall be supplied in lengths shorter than 10 feet (3 m). 5.2 Identification Shall be in accordance with AMS2807. 5.3

    46、Packaging Tubing shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the tubing to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT A producer shall in

    47、clude this specification number and its revision letter in all quotations and when acknowledging purchase orders. 7. REJECTIONS Tubing not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection. 8. NOTES 8.1 Revision Indicator A change bar (l) loc

    48、ated in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the document, including technical rev

    49、isions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. 8.2 Terms used in AMS are clarified in ARP1917. 8.3 Dimensions and properties in inch/pound units and the Fahrenheit temperatures are primary; dimensions and properties in SI units and the Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for


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