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    INTERN CEMS A-37-2009 Stainless and Heat Resisting Steels and Alloys《耐热性不锈钢材及合金》.pdf

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    INTERN CEMS A-37-2009 Stainless and Heat Resisting Steels and Alloys《耐热性不锈钢材及合金》.pdf

    1、This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2009 by Navistar, Inc. OCTOBER 2009 Page 1 of 10 NAVISTAR, INC. CEMS (CORPORATE ENGINEERING MATERIAL SPEC

    2、IFICATION) NUMBER: CEMS A-37 TITLE: Stainless and Heat Resisting Steels and Alloys CURRENT ISSUE DATE: OCTOBER 2009 WRITTEN/REVIEWED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES ISSUE OF: JUNE 2009 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION This

    3、specification may involve hazardous materials, equipment, and procedures. This specification does not purport to address all of the safety issues associated with its use. The user is responsible to consult appropriate safety and health practices and to determine the applicability of regulatory limit

    4、s prior to use. Change Notice: Added Types S41003 and S40975 to Table I; editorial changes. 1.0 SCOPE This specification covers requirements for stainless and heat resisting steels used in the Companys products. Requirements for stainless steel spring wire are covered in CEMS A-9, Steel Spring Wire.

    5、 Requirements for stainless steel tubing used for exhaust, coolant, or heater applications can be found in TMS-1058, TMS-1061, and TMS-1069. 2.0 INTRODUCTION Stainless steels offer good mechanical strength over a wide range of temperatures and provide corrosion resistance superior to all of the comm

    6、on structural steels. When buffed and polished, they improve the finished appearance of the part. Passivation of stainless steels can be performed to ensure a clean surface, free from iron-bearing contaminants which may result in undesirable rust and degraded surface appearance. 2.1 Restricted Chemi

    7、cal Substances Effective January 1, 2007, all product supplied to the requirements of this specification must comply with the requirements of the CEMS B-50 specification. 3.0 CONTENTS PAGE CHEMICAL COMPOSITION . 2 MECHANICAL PROPERTIES 4 DIMENSIONAL TOLERANCES . 6 SURFACE FINISHES . 8 QUALITY 8 DESI

    8、GNATION ON DRAWINGS AND PURCHASE ORDERS 9 PACKAGING AND SHIPPING . 10 APPENDIX GENERAL INFORMATION Green Sheets 4.0 REFERENCE DOCUMENTS Unless otherwise specified, the latest issue of all referenced standards shall apply. The following standards, specifications and regulations are referenced in this

    9、 specification. Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: CEMS A-37 TITLE Stainless and Heat Resisting Steels and Alloys CURRENT ISSUE DATE: OCTOBER 2009 This docume

    10、nt is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2009 by Navistar, Inc. OCTOBER 2009 Page 2 of 10 Quality System Standard ISO 9001 or TS-16949 CFR Title 29, Part 191

    11、0 ASTM A 751 NAVISTAR Manufacturing Standard MS-D-13 ASTM A 240 SAE J405 NAVISTAR CEMS B-50 ASTM A 370 ASTM A 480 TMS-1058 TMS-1061 TMS-1069 ESP-A-1.301 CEMS A-9 TMS-4117 5.0 CLASSIFICATION AND DESIGNATION Stainless steels are classified by 1) their chemical composition and resulting room temperatur

    12、e microstructure (e.g., austenitic, ferritic, martensitic, precipitation hardening, and duplex), 2) the American Iron and Steel Institute (AISI) numbering system (e.g., 200, 300, 400 series alloys), and 3) the Unified Numbering System (UNS), developed by ASTM and SAE to apply to all commercial metal

    13、s and alloys. 6.0 GENERAL REQUIREMENTS 6.1 Chemical Composition Steels purchased to this specification will meet the requirements of chemical composition shown in Table I for the Type specified. TABLE I CHEMICAL COMPOSITION OF STAINLESS AND HEAT RESISTING STEELS AISI Type * UNS No. Chemical Composit

    14、ion, % (Maximum Unless Otherwise Shown) Carbon Mn P S Si Cr Ni Mo Other Elements AUSTENITIC TYPES 201 202 * 301 18-8 302 S20100 S20200 S20400 S30100 - S30200 0.15 0.15 0.030 0.15 - 0.15 5.50-7.50 7.50-10.0 7.0-9.0 2.00 - 2.00 0.060 0.060 0.040 0.045 - 0.045 0.030 0.030 0.030 0.030 - 0.030 1.00 1.00

    15、1.00 1.00 - 1.00 16.00-18.00 17.00-19.00 15.0-17.0 16.00-18.00 - 17.00-19.00 3.50-5.50 4.00-6.00 1.5-3.0 6.00-8.00 - 8.00-10.00 - - - - - N 0.25 N 0.25 N 0.15-0.30 - - - 302B S30215 0.15 2.00 0.045 0.030 2.00-3.00 17.00-19.00 8.00-10.00 - - 303 S30300 0.15 2.00 0.20 0.15 min 1.00 17.00-19.00 8.00-10

    16、.00 0.60* - 303Se 304 304L 305 308 S30323 S30400 S30403 S30500 S30800 0.15 0.08 0.030 0.12 0.08 2.00 2.00 2.00 2.00 2.00 0.20 0.045 0.045 0.045 0.045 0.060 0.030 0.030 0.030 0.030 1.00 1.00 1.00 1.00 1.00 17.00-19.00 18.00-20.00 18.00-20.00 17.00-19.00 19.00-21.00 8.00-10.00 8.00-10.50 8.00-12.00 10

    17、.50-13.00 10.00-12.00 - - - - - Se 0.15 min - - - - 309 309S 310 316 316L S30900 S30908 S31000 S31600 S31603 0.030 0.08 0.25 0.08 0.030 2.00 2.00 2.00 2.00 2.00 0.045 0.045 0.045 0.045 0.045 0.030 0.030 0.030 0.030 0.030 1.00 1.00 1.50 1.00 1.00 22.00-24.00 22.00-24.00 24.00-26.00 16.00-18.00 16.00-

    18、18.00 12.00-15.00 12.00-15.00 19.00-22.00 10.00-14.00 10.00-14.00 - - - 2.00-3.00 2.00-3.00 - - - - - 321 347 S32100 S34700 0.08 0.08 2.00 2.00 0.045 0.045 0.030 0.030 1.00 1.00 17.00-19.00 17.00-19.00 9.00-12.00 9.00-13.00 - - Ti 5 x C min Cb+Ta 10 x C min *Grade or Type designation originally deve

    19、loped by the American Iron and Steel Institute (AISI) *May be added at manufacturers option *Commercial steel grade described as Nitronic 30 Not an AISI Type; 18-8 is a common designation for types containing approximately 18% Cr and approximately 8% Ni. It is denoted here to allow its usage as a ma

    20、terial code for drawings and purchase orders. When specified, 18-8 allows the following stainless steel types: 302, 302B, 303, 304 or 304L. Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from

    21、 IHS-,-,-NUMBER: CEMS A-37 TITLE Stainless and Heat Resisting Steels and Alloys CURRENT ISSUE DATE: OCTOBER 2009 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent lia

    22、bility. 2009 by Navistar, Inc. OCTOBER 2009 Page 3 of 10 TABLE I (contd) AISI Type * UNS No. Chemical Composition, % (Maximum Unless Otherwise Shown) Carbon Mn P S Si Cr Ni Mo Other Elements FERRITIC TYPES 405 409 - S40500 S40900 S41050 0.08 0.03 0.04 1.00 1.00 1.00 0.040 0.040 0.045 0.030 0.020 0.0

    23、30 1.00 1.00 1.00 11.50-14.50 10.50-11.70 10.5-12.5 0.50 0.60-1.10 A1 0.10-0.30 Ti 6 x (C+N) min; 0.75 max; Cb 0.17; N 0.030 N 0.10 max 409Ni S40975 0.03 1.00 0.040 0.030 1.00 10.5-11.7 0.50-1.00 Ti 6 x (C+N) min; 0.75 max - S41003 0.03 1.50 0.040 0.030 1.00 10.5-12.5 1.50 - - 430 S43000 0.12 1.00 0

    24、.040 0.030 1.00 16.00-18.00 0.75 - 430F S43020 0.12 1.25 0.060 0.15 min 1.00 16.00-18.00 430FSe 434 S43023 S43400 0.12 0.12 1.25 1.00 0.060 0.040 0.060 0.030 1.00 1.00 16.00-18.00 16.00-18.00 0.75-1.25 Se 0.15 min 436 S43600 0.12 1.00 0.040 0.030 1.00 16.00-18.00 0.75-1.25 Cb+Ta 5 x C min 0.70 max 4

    25、39 S43035 0.030 1.00 0.040 0.030 1.00 17.0-19.0 0.50 - Al 0.15 max Ti 0.20 + 4(C+N) min 1.10max N 0.03 max 442 446 S44200 S44600 0.20 0.20 1.00 1.50 0.040 0.040 0.030 0.030 1.00 1.00 18.00-23.00 23.00-27.00 MARTENSITIC TYPES 410 S41000 0.15 1.00 0.040 0.030 1.00 11.50-13.50 0.75 414 S41400 0.15 1.00

    26、 0.040 0.030 1.00 11.50-13.50 1.25-2.50 416 S41600 0.15 1.25 0.060 0.15 min 1.00 12.00-14.00 0.60* 416Se S41623 0.15 1.25 0.060 0.060 1.00 12.00-14.00 Se 0.15 min 420 S42000 Over 0.15 1.00 0.040 0.030 1.00 12.00-14.00 431 S43100 0.20 1.00 0.040 0.030 1.00 15.00-17.00 1.25-2.50 440A S44002 0.60/ 0.75

    27、 1.00 0.040 0.030 1.00 16.00-18.00 0.75 440B S44003 0.75/ 0.95 1.00 0.040 0.030 1.00 16.00-18.00 0.75 440C S44004 0.95/ 1.20 1.00 0.040 0.030 1.00 16.00-18.00 0.75 501 S50100 Over 0.10 1.00 0.040 0.030 1.00 4.00-6.00 0.40-0.65 502 S50200 0.10 1.00 0.040 0.030 1.00 4.00-6.00 0.40-0.65 * Grade or Type

    28、 designation originally developed by the American Iron and Steel Institute (AISI) * May be added at manufacturers option. Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: C

    29、EMS A-37 TITLE Stainless and Heat Resisting Steels and Alloys CURRENT ISSUE DATE: OCTOBER 2009 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2009 by Na

    30、vistar, Inc. OCTOBER 2009 Page 4 of 10 TABLE I (contd) PRECIPITATION HARDENING TYPES Type * UNS No. Chemical Composition, % (Maximum Unless Otherwise Shown) C Mn P S Si Cr Ni Mo Other Elements 13-8PH* S13800 0.05 0.10 0.01 0.008 0.10 12.25-13.25 7.50-8.00 2.00-2.50 A1 0.90-1.35 N0.010 15-5PH * S1550

    31、0 0.07 1.00 0.040 0.030 1.00 14.00-15.50 3.50-5.00 - Cu 2.50-4.50 Cb+Ta 0.15-0.45 17-4PH * S17400 0.07 1.00 0.040 0.030 1.00 15.50-17.50 3.00-5.00 - C 3.00-5.00 Cb+Ta 0.15-0.45 17-7 PH * S17700 0.09 1.00 0.040 0.040 1.00 16.00-18.00 6.50-7.75 - A1 0.75-1.50 * May be added at manufacturers option. *

    32、Common industry nomenclature; not an AISI designation. NOTE: For some tube-making processes, it is necessary that the nickel content of several of the austenitic grades be slightly higher than that shown in the table. The user and producer should agree on the appropriate nickel ranges for such grade

    33、s. Heat resisting steels and alloys used in high temperature applications requiring wear resistance are listed in Table II, along with the required chemical compositions. 6.2 Mechanical Properties Mechanical properties are not normally specified for stainless or heat resisting alloys. These material

    34、s are usually furnished in an as-rolled or as-annealed condition, unless otherwise specified. The mechanical properties of martensitic and precipitation-hardening grades are dependent on heat treatment. These properties are specified when commodities are to be received in a final condition. The tens

    35、ile strength of certain 200 and 300 series strip and sheet products can be increased by temper rolling. Temper rolling is done at extra cost and the degree of temper designates the minimum attained tensile strength. The minimum tensile strengths associated with the temper classifications are shown i

    36、n Table III. Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: CEMS A-37 TITLE Stainless and Heat Resisting Steels and Alloys CURRENT ISSUE DATE: OCTOBER 2009 This document

    37、is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2009 by Navistar, Inc. OCTOBER 2009 Page 5 of 10 TABLE II CHEMICAL COMPOSITIONS OF TYPICAL MATERIALS FOR VALVE APPLICAT

    38、IONS Designation Composition, percent (maximum, Unless Otherwise Shown) Navistar Grade SAE C Mn P S Si Cr Ni Mo Fe Co Nitro- gen Other NCR* EV1 0.37- 0.50 . 1.00 . 0.035 0.035 1.00 23.00- 24.00 . 4.50- 5.00 . 2.50- 3.00 . Balance TXCR* EV2 0.35- 0.40 . 4.00- 4.50 . 0.030 0.030 0.60- 1.00 . 23.50- 24

    39、.50 . 3.50- 4.00 . 1.20- 1.50 . Balance 21-12N EV4 0.15- 0.25 . 1.00- 1.50 . 0.030 0.030 0.70- 1.25 . 20.00- 22.00 . 10.50- 12.50 . Balance 0.15- 0.20 . 21-55N EV7 0.15- 0.25 . 5.00- 8.00 . 0.040 0.030 1.00 . 19.00- 22.00 . 3.50- 6.00 . Balance 0.20- 0.40 . 21-4N EV8 0.47- 0.58 . 8.00- 10.00 0.050 0

    40、.090 0.25 . 20.00- 22.00 . 3.25- 4.50 . Balance 0.38- 0.50 . 21-2N EV12 0.50- 0.60 . 7.00- 9.50 . 0.050 0.060 0.25 . 19.25- 21.50 . 1.50- 2.75 . Balance 0.20- 0.40 . SP-3 2.25- 2.75 . 1.0 . 18.00- 22.00 . 37.00- 43.00 . Balance 10.00- 14.00 . Tungsten 5.00-7.00 No. 1* HNV3 0.40- 0.50 . 0.20- 0.60 .

    41、0.030 0.030 3.00- 3.50 . 8.00- 9.00 . Balance XB* HNV6 0.76- 0.86 . 0.20- 0.60 . 0.020 0.030 1.90- 2.60 . 19.00- 21.00 . 1.00- 1.60 . Balance Stellite 6 VF2 0.90- 1.40 . 1.00 . 1.50 . max . 27.00- 31.00 . 3.0 max . 1.5 3.0 Balance Tungsten 3.5-5.5 Stellite F VF3 1.50- 2.00 . 0.05 . 0.90- 1.50 . 23.0

    42、0- 27.00 . 20.50- 24.00 . 0.060 . 3.0 Balance Tungsten 10.5-13.5 Boron 0.01 max 71360 0.50- 0.55 . 0.20- 0.40 . 0.030 0.030 0.20- 0.40 . 3.00- 4.00 . Balance Tungsten 12.00-15.00 Pyromet 31V - 0.045 0.2 - - 0.2 22.6 56.5 2.0 Balance 1.0 - 1.3 Al, 2.3 Ti, 0.85 Nb, 0.005 B TRW 25-12NbN - 0.3 5.0 0.04

    43、0.03 0.30 25.0 11.5 - Balance - 0.6 2.2 Nb * Silcrome alloys Haynes Stellite 6 Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: CEMS A-37 TITLE Stainless and Heat Resisting

    44、 Steels and Alloys CURRENT ISSUE DATE: OCTOBER 2009 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2009 by Navistar, Inc. OCTOBER 2009 Page 6 of 10 TABL

    45、E III TEMPER DESIGNATIONS Temper Tensile Strength, min Yield Strength, min MPa ksi MPa ksi Quarter Half 862 125 517 75 Half Hard 1034 150 758 110 Three-Quarter Hard 1207 175 931 135 Full Hard 1276 185 965 140 6.3 Dimensional Tolerances Material purchased to this specification will conform to the dim

    46、ensional tolerances shown in the applicable industry product standard. The following tables list dimensional tolerances for the most common stainless steel products. TABLE IV THICKNESS TOLERANCES FOR COLD ROLLED SHEETS IN CUT LENGTHS AND COILS AND FOR HOT ROLLED SHEETS IN CUT LENGTHS* Specified Thickness Tolerance (Plus or Minus) mm inch mm inch Thru 0.13 Over 0.13 to 0.18 Over 0.18 to 0.41 Over 0.41 to 0.66 Over 0.66 to 1.02 Thru 0.005 Over 0.005 to 0.007 Over 0.007 to 0.016 Over 0.016 to 0.026 Over 0.026 to 0.040 0.03 0.04 0.05 0.08 0.10 0.001 0.0015 0.002 0.003 0.004 Over 1.02 to


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