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 entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefro
2、m, is the sole responsibility of the user.”SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions.Copyright 2006 SAE InternationalAll rights reserved. No part of this publication may be
3、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: 724-776-4970 (outside USA)Fax: 724-
4、776-0790Email: custsvcsae.orgSAE WEB ADDRESS: http:/www.sae.orgSteel, Bars and Forgings0.18 - 0.23C (SAE 1022) (Composition similar to UNS G10220)1. SCOPE:1.1 Form: This specification covers a carbon steel in the form of bars, forgings, and forging stock.1.2 Application: This product has been used t
5、ypically for parts requiring low strength and high ductility, but usage is not limited to such applications. 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 w
6、ork to a subsequent revision of a document unless a specific document issue is specified. When the referenced document has been canceled and no superseding document has been specified, the last published issue of that document shall apply.2.1 SAE Publications: Available from SAE, 400 Commonwealth Dr
7、ive, Warrendale, PA 15096-0001.AMS 2231 Tolerances, Carbon Steel BarsMAM 2231 Tolerances, Metric, Carbon Steel BarsAMS 2259 Chemical Check Analysis Limits, Wrought Low-Alloy and Carbon SteelsAMS 2370 Quality Assurance Sampling and Testing, Carbon and Low-Alloy Steel Wrought Products and Forging Stoc
8、kAMS 2372 Quality Assurance Sampling and Testing, Carbon and Low-Alloy Steel ForgingsAMS 2806 Identification, Bars, Wire, Mechanical Tubing, and Extrusions, Carbon and Alloy Steels and Corrosion and Heat Resistant Steels and AlloysAMS 2808 Identification, ForgingsAEROSPACE MATERIAL SPECIFICATIONAMS
9、5070HIssued MAR 1942Revised SEP 2001Reaffirmed FEB 2006Superseding AMS 5070GCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 5070H SAE AMS 5070H- 2 -2.2 ASTM Publications: Available from ASTM, 100
10、 Barr Harbor Drive, West Conshohocken, PA 19428-2959.ASTM E 8 Tension Testing of Metallic MaterialsASTM E 8M Tension Testing of Metallic Materials (Metric)ASTM E 112 Determining Average Grain SizeASTM E 350 Chemical Analysis of Carbon Steel, Low-Alloy Steel, Silicon Electrical Steel, Ingot Iron, and
11、 Wrought Iron3. TECHNICAL REQUIREMENTS: 3.1 Composition: Shall conform to the percentages by weight shown in Table 1, determined by wet chemical methods in accordance with ASTM E 350, by spectrochemical methods, or by other analytical methods acceptable to purchaser:3.1.1 Check Analysis: Composition
12、 variations shall meet the applicable requirements of AMS 2259.3.2 Condition: The product shall be supplied in the following condition:3.2.1 Bars: Cold finished.3.2.2 Forgings: Normalized.3.2.3 Forging Stock: As ordered by the forging manufacturer.TABLE 1 - CompositionElement min maxCarbon 0.18 0.23
13、Manganese 0.70 1.00Silicon 0.15 0.35Phosphorus - 0.040Sulfur - 0.050Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 5070H SAE AMS 5070H- 3 -3.3 Properties: Bars and forgings shall conform to the
14、following requirements:3.3.1 Tensile Properties: Shall be as follows, determined in accordance with ASTM E 8 or ASTM E 8M:3.3.1.1 Bars: Shall be as shown in Table 2.3.3.1.2 Forgings: Shall be as shown in Table 3.3.3.1.2.1 For each 2.0 ksi (14 MPa) in excess of 55 ksi (379 MPa) tensile strength, a re
15、duction in elongation of 1% to a minimum elongation of 10% is permissible.TABLE 2A - Minimum Tensile Properties, Inch/Pound UnitsNominal Diameter or DistanceBetween Parallel SidesInchesTensileStrengthksiYield Strengthat 0.2% OffsetksiElongationin 4D%Up to 0.875, incl 70 60 18Over 0.875 to 1.250, inc
16、l 65 55 16Over 1.250 to 2.000, incl 60 50 15Over 2.000 to 3.000, incl 55 45 15TABLE 2B - Minimum Tensile Properties, SI UnitsNominal Diameter or DistanceBetween Parallel SidesMillimetersTensileStrengthMPaYield Strengthat 0.2% OffsetMPaElongationin 4D%Up to 22.22, incl 483 414 18Over 22.22 to 31.75,
17、incl 448 379 16Over 31.75 to 50.80, incl 414 345 15Over 50.80 to 76.20, incl 379 310 15TABLE 3 - Minimum Tensile PropertiesProperty ValueTensile Strength 55 ksi (379 MPa)Yield Strength at 0.2% Offset 36.0 ksi (248 MPa)Elongation in 4D 22%Copyright SAE International Provided by IHS under license with
18、 SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 5070H SAE AMS 5070H- 4 -3.3.2 Average Grain Size: Shall be ASTM No. 4 or finer determined in accordance with ASTM E 112 (See 8.2).3.4 Quality: The product, as received by purchaser, shall be uniform in quality
19、 and condition, sound, and free from foreign materials and from imperfections detrimental to usage of the product.3.4.1 Grain flow of die forgings, except in areas which contain flash-line end grain, shall follow the general contour of the forgings showing no evidence of reentrant grain flow.3.5 Tol
20、erances: Bars shall conform to all applicable requirements of AMS 2231 or MAM 2231.4. QUALITY ASSURANCE PROVISIONS: 4.1 Responsibility for Inspection: The vendor of the product shall supply all samples for vendors tests and shall be responsible for the performance of all required tests. Purchaser re
21、serves the right to sample and perform any confirmatory testing deemed necessary to ensure that the product conforms to specified requirements.4.2 Classification of Tests: 4.2.1 Acceptance Tests: Composition (3.1), tensile properties (3.3.1), average grain size (3.3.2), and tolerances (3.6), are acc
22、eptance tests and shall be performed on each heat or lot as applicable.4.2.2 Periodic Tests: Grain flow of die forgings (3.4.1) is a periodic test and shall be performed at a frequency selected by the vendor unless a frequency of testing is specified by purchaser.4.3 Sampling and Testing: Shall be a
23、s follows:4.3.1 Bars and Forging Stock: In accordance with AMS 2370.4.3.2 Forgings: In accordance with AMS 2372.4.4 Reports: The vendor of bars and forgings shall furnish with each shipment a report showing the results of tests for chemical composition of each heat and for tensile properties and ave
24、rage grain size of each lot, and stating that the product conforms to the other technical requirements. This report shall include the purchase order number, heat and lot numbers, AMS 5070H, size and quantity. If forgings are supplied, the size and melt source of stock used to make the forgings shall
25、 also be included.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 5070H SAE AMS 5070H- 5 -4.5 Resampling and Retesting: Shall be as follows:4.5.1 Bars and Forging Stock: In accordance with AMS 23
26、70.4.5.2 Forgings: In accordance with AMS 2372.5. PREPARATION FOR DELIVERY: 5.1 Sizes: Except when exact lengths or multiples of exact lengths are ordered, straight bars 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 leng
27、ths shorter than 10 feet (3 m).5.2 Identification: Shall be as follows:5.2.1 Bars: In accordance with AMS 2806.5.2.2 Forgings: In accordance with AMS 2808.5.2.3 Forging Stock: As agreed upon by purchaser and vendor.5.3 Protective Treatment: Bars ordered cold drawn, cold rolled, ground, turned, or po
28、lished shall be protected from corrosion prior to shipment.5.4 Packaging: The product 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 product to ensure carri
29、er acceptance and safe delivery.6. ACKNOWLEDGMENT: A vendor shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders.7. REJECTION: Product not conforming to this specification, or to modifications authorized by purchaser, will be subjec
30、t to rejection.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 5070H SAE AMS 5070H- 6 -8. NOTES:8.1 A change bar ( l ) located in the left margin is for the convenience of the user in locating ar
31、eas where technical revisions, not editorial changes, have been made to the previous issue of this specification. An (R) symbol to the left of the document title indicates a complete revision of the specification, including technical revisions. Change bars and (R) are not used in original publicatio
32、ns, nor in specifications that contain editorial changes only.8.2 The phrase “occasional grains as large as 2 permissible” has been deleted to clarify the intended use of ASTM E 112.8.3 Dimensions and properties in inch/pound units are primary; dimensions and properties in SI units are shown as the
33、approximate equivalents of the primary units and are presented only for information.8.4 Terms used in AMS are clarified in ARP1917.8.5 Purchase documents should specify not less than the following:AMS 5070HForm and size or part number of product desiredQuantity of product desired.PREPARED UNDER THE JURISDICTION OF AMS COMMITTEE “E”Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
