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本文(FORD WSS-M1A368-A92-2012 STEEL SHEET HOT ROLLED MARTENSITIC (HR MS) TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSS-M1A368-A11)《热轧马氏体(HR MS)钢板 与福特WSS-M99P1111-A 一起使用 在福特.pdf)为本站会员(王申宇)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

FORD WSS-M1A368-A92-2012 STEEL SHEET HOT ROLLED MARTENSITIC (HR MS) TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSS-M1A368-A11)《热轧马氏体(HR MS)钢板 与福特WSS-M99P1111-A 一起使用 在福特.pdf

1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 0 2012 01 10 Released D. Jordan, NA, A. Toennessen, EU Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC Page 1 of 10 STEEL, SHEET, COLD ROLLED, DUAL PHASE (CR DP) WSS-M1A368-A11/A12/A13/A14/A15 STEEL, SHEET,

2、COLD ROLLED, DUAL PHASE (CR DP WSS-M1A368-A21/A22/A23/A24/A25 LOW/HIGH YIELD) STEEL, SHEET, HOT ROLLED, DUAL PHASE (HR DP) WSS-M1A368-A31/A32 STEEL, SHEET, HOT ROLLED, FERRITE BAINITE (HR FB) WSS-M1A368-A41/A42/A43 STEEL, SHEET, COLD ROLLED, TRIP (CR TR) WSS-M1A368-A51/A52/A53 STEEL, SHEET, COLD ROL

3、LED, COMPLEX PHASE (CR MP) WSS-M1A368-A61/A62 STEEL, SHEET, HOT ROLLED, COMPLEX PHASE (HR MP) WSS-M1A368-A71/A72 STEEL, SHEET, COLD ROLLED, MARTENSITIC (CR MS) WSS-M1A368-A81/A82/A83/A84 STEEL, SHEET, HOT ROLLED, MARTENSITIC (HR MS) WSS-M1A368-A91/A92 Note: Steels shown in gray typeface are not in t

4、he Global material strategy and should not be used without approval from the Sheet Metal Tech Club. 1. SCOPE The materials defined by these Global specifications are hot rolled or cold rolled steel sheet with specified tensile strengths from 450 MPa to 1500 MPa, suitable for cold forming such as sta

5、mping, roll forming and tube making, and use in automotive applications. The specification applies to uncoated and coated steel sheet generally categorized as advanced high strength steels: - Dual Phase (ferrite and martensite microstructure, including grades with low and high yield, DP) - Ferrite-B

6、ainite (ferrite and bainite microstructure, FB) - TRIP “transformation induced plasticity“ (ferrite, bainite and retained austenite microstructure, TR), - “Multi-Phase“ or “Complex Phase“ (ferrite, martensite, bainite plus precipitation hardening, MP) - Martensitic (mainly martensitic microstructure

7、, MS). The steel sheet may achieve its final thickness by cold rolling, hot rolling, continuous thin-strip casting, or other means. All requirements of the specific variant are to be met regardless of the final thickness reduction method. Specification WSS-M1P94-A shall be used where pre-coating by

8、the steel supplier is required. All requirements of the specific variant are to be met with or without pre-coating, except as noted in these specifications or as noted as exceptions on the Engineering Drawing. Ford Motor Company may, at its option and in agreement with the local or regional supplier

9、, define additional and/or restricted technical delivery requirements such as mechanical properties, forming characteristics and surface texture, for a specific grade and/or part. The defined requirements shall be mandatory and no characteristics shall conflict with this engineering specification. E

10、NGINEERING MATERIAL SPECIFICATION WSS-M1A368-A11/A92 Copyright 2012, Ford Global Technologies, LLC Page 2 of 10 2. APPLICATION These Global specifications were released originally for automotive body and chassis parts. 2.1 LIMITATIONS Common Global Grade Names are provided for information purposes a

11、nd are not intended to be used on Engineering Drawings or CAD files. Not all grade / gauge / width / coating combinations are available. Contact Product Development Materials Engineering for assistance or Global Materials and Fastener Standards () for help in locating the responsible engineer. Varia

12、nts shown with an asterisk and gray typeface in Tables 1-4 presently are not in the Global material strategy and should not be used without approval from the Sheet Metal Tech Club. Sources for these grades may not exist in your region. Contact Product Development Materials Engineering for assistance

13、 or for help in locating the responsible engineer. High strength materials delivered to this specification may be sensitive to hydrogen assisted cracking. Electro galvanized products may require baking treatment. Material supplied to these specifications may contain titanium or other transition met

14、als as alloying additions. Such alloyed steels, if subsequently surface treated by a nitrocarburising and/or oxidizing process, risk becoming embrittled due to the formation of ultrafine TiN or other precipitates. Accordingly, special consideration should be given to low carbon steel that contains i

15、ntentional additions of titanium or other transition metals for parts that may be subjected to nitrocarburising and/or oxidizing processes. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements for

16、Production Materials (WSS-M99P1111-A). Material suppliers and part producers must conform to the Companys Quality System Requirements. In order for materials to comply with the requirements of the material specification they shall be sourced from suppliers listed in the Ford Motor Company Approved S

17、ource List, (ASL). See also paragraph 4.1. 3.2 CHEMICAL COMPOSITION AND MICROSTRUCTURE (ASTM E112, JIS G0320, ISO 4967 / ASTM E45) 3.2.1 Chemical Composition The upper and lower limits of chemical composition of the controlled elements shall be established by the supplier and included in the supplie

18、rs Control Plan. Heat and/or check analyses shall be provided as part of the initial material source approval process in a format suitable for upload into the Ford Material Database. ENGINEERING MATERIAL SPECIFICATION WSS-M1A368-A11/A92 Copyright 2012, Ford Global Technologies, LLC Page 3 of 10 3.2.

19、2 Microstructure The grain size number shall be established as part of the initial material source approval process and shall be consistent (within 1 unit) throughout the thickness of the sheet. The steel sheet shall be free from internal defects that adversely affect manufacturing or part functiona

20、lity. Examples of defects may include: pipe laminations, non-metallic inclusions, segregation, and blowholes. Non-metallic inclusion content shall not exceed a rating of 2.0 for thin and 2.0 for heavy when tested in accordance with ASTM E 45 Method D, Plate III, by analysis at 100X. 3.3 MECHANICAL P

21、ROPERTIES (ASTM E8M, ASTM E290, ASTM E646, EN 10002-1, EN 10325, ISO 6892, ISO 10275, ISO/TS 16630, SEP 1240, JFS T 1001, JIS Z2201, JIS Z2241) For initial approval requirements see paragraph 4.1. Mechanical properties listed are valid in longitudinal direction. Certification of ongoing production m

22、aterial shall be in accordance with regional and/or local requirements. For the determination of mechanical properties, the material cross sectional area shall be defined as that of the steel; contribution of any metallic and/or organic coating to the cross-sectional area used for stress calculation

23、 is neglected. Yield Strength is defined as lower yield stress or 0.2% proof stress (for materials without marked yield point). ASTM Total Elongation is measured with an ASTM (50 mm) test bar (ASTM E 8M). EN Total Elongation is measured with an ISO II (80 mm) test bar (EN 10002-1). JIS Total Elongat

24、ion is measured with a JIS #5 test bar (JIS Z 2201). Strain Hardening Exponent (n-value) is measured over the range 10-20% strain (or 10% to end of uniform elongation if less than 20%). See ASTM E 646 or ISO 10275. If uniform elongation is less than 12%, n-value shall be reported as nUE= UE (n at un

25、iform elongation equals true strain at uniform elongation.) BHI (Bake Hardening Index)is defined as the increase in lower yield strength due exclusively to the baking portion of the following: Strain 2% in the longitudinal direction, note stress and release load. Bake at 170 (+/- 2) deg C peak metal

26、 temperature for 20 (+/- 1) minutes. Determine post-bake yield strength per ASTM E 8M, EN 10002-1, EN 10325, or JIS Z 2241. BHI is the difference between the pre-bake stress at 2% strain and the post-bake yield strength. BHI neglects the contribution of work hardening to yield strength and includes

27、only the contribution due to thermal response. Actual processing conditions (temperature profiles and strain conditions) dictate the observed strength levels of individual parts. Hole expansion testing shall be performed to ISO/TS 16630 or JFS T 1001. Bend testing shall be performed to ASTM E 290. E

28、NGINEERING MATERIAL SPECIFICATION WSS-M1A368-A11/A92 Copyright 2012, Ford Global Technologies, LLC Page 4 of 10 Table 1: Mechanical Properties Dual Phase Cold Rolled Grades (special low / high yield dual phase grades are listed in table 2) Variant A11 * A12 * A13 A14 A15 * Common Global Grade Name C

29、RDP450 CRDP500 CRDP600 CRDP800 CRDP1000 Yield Strength, MPa (min)250 290 340 420 550 Yield Strength, MPa (max) 320 390 440 550 700 Ultimate Tensile Strength, MPa 450 min 490 min 590 min 780 min 980 min ASTM Total Elongation, % min - 25 21 14 8 EN Total Elongation, % min 27 24 21 15 10 JIS Total Elon

30、gation, % (min) 30 27 22 17 10 n10-20% value (min) 0.16 0.15 0.14 0.11 0.06 n4-6% value (min) - 0.19 0.18 0.15 0.08 BHI, MPa (min) 30 30 30 30 30 Minimum bending radius, L, T - - - - 2.5T Table 2: Mechanical Properties Dual Phase Cold Rolled Grades with Low/High Yield Ratio Variant A21 * A22 * A23 *

31、 A24 * A25 * Common Global Grade Name DP600 LY DP600HY DP700HY DP800HY DP1000HY Yield Strength, MPa (min)280 420 550 500 650 Yield Strength, MPa (max) 380 500 660 650 900 Ultimate Tensile Strength, MPa 590 min 590 min 690 min 780 min 980 min ASTM Total Elongation, % min 21 20 13 15 8 EN Total Elonga

32、tion, % min 22 16 12 10 8 JIS Total Elongation, % (min) 23 19 15 17 10 n10-20% value (min) 0.14 0.08 0.06 0.06 N/A n4-6% value (min) 0.19 - 0.08 0.10 N/A BHI, MPa (min) 30 30 30 30 30 Table 3: Mechanical Properties Dual Phase Hot Rolled Grades Variant A31 * A32 * Common Global Grade Name HRDP600 HRD

33、P800 Yield Strength, MPa (min)330 450 Yield Strength, MPa (max) 450 610 Ultimate Tensile Strength, MPa 580 min 780 min ASTM Total Elongation, % min 21 15 EN Total Elongation, % min 19 14 JIS Total Elongation, % (min) 22 16 n10-20% value (min) 0.14 0.11 n4-6% value (min) 0.18 0.16 BHI, MPa (min) 30 3

34、0 * Variants shown with an asterisk and gray typeface are not in the Global material strategy and should not be used without approval from the Sheet Metal Tech Club. Sources for these grades may not exist in your region. Contact Product Development Materials Engineering for assistance or for help i

35、n locating the responsible engineer. ENGINEERING MATERIAL SPECIFICATION WSS-M1A368-A11/A92 Copyright 2012, Ford Global Technologies, LLC Page 5 of 10 Table 4: Mechanical Properties Ferrite-Bainite Hot Rolled Grades Variant A41 * A42 A43 * Common Global Grade Name HRFB450 HRFB600 HRFB800 Yield Streng

36、th, MPa (min)300 440 600 Yield Strength, MPa (max) 380 620 800 Ultimate Tensile Strength, MPa 450 min 580 min 780 min ASTM Total Elongation, % min 26 15 13 EN Total Elongation, % min 24 14 12 JIS Total Elongation, % (min) 28 17 15 n10-20% value (min) - 0.08 0.07 Hole Expansion (%, min) - 75 55 Table

37、 5: Mechanical Properties TRIP Cold Rolled Grades Variant A51 * A52 * A53 * Common Global Grade Name CRTR600 CRTR700 CRTR800 Yield Strength, MPa (min)380 410 440 Yield Strength, MPa (max) 480 530 600 Ultimate Tensile Strength, MPa 590 min 690 min 780 min ASTM Total Elongation, % min 27 - 21 EN Total

38、 Elongation, % min 26 24 20 JIS Total Elongation, % (min) 29 27 23 n10-20% value (min) 0.20 0.19 0.15 BHI, MPa (min) 30 30 30 Table 6: Mechanical Properties Multiphase Cold Rolled Grades Variant A61 * A62 * Common Global Grade Name CRMP800 CRMP1000 Yield Strength, MPa (min)600 700 Yield Strength, MP

39、a (max) 700 900 Ultimate Tensile Strength, MPa (min) 780 980 Ultimate Tensile Strength, MPa (max) - 1100 ASTM Total Elongation, % min - 8 EN Total Elongation, % min 10 8 JIS Total Elongation, % (min) - 8 n10-20% value (min) - - BHI, MPa (min) 30 30 Minimum bending radius, L, T - 2.5T * Variants show

40、n with an asterisk and gray typeface are not in the Global material strategy and should not be used without approval from the Sheet Metal Tech Club. Sources for these grades may not exist in your region. Contact Product Development Materials Engineering for assistance or for help in locating the re

41、sponsible engineer. ENGINEERING MATERIAL SPECIFICATION WSS-M1A368-A11/A92 Copyright 2012, Ford Global Technologies, LLC Page 6 of 10 Table 7: Mechanical Properties Multiphase Hot Rolled Grades Variant A71 * A72 * Common Global Grade Name HRMP800 HRMP1000 Yield Strength, MPa (min)650 720 Yield Streng

42、th, MPa (max) 800 920 Ultimate Tensile Strength, MPa 780 min 950 min ASTM Total Elongation, % min - - EN Total Elongation, % min 10 9 JIS Total Elongation, % (min) - - n10-20% value (min) - - BHI, MPa (min) 30 30 Table 8: Mechanical Properties Martensitic Cold Rolled Grades Variant A81 A82 A83 A84 C

43、ommon Global Grade Name CRMS900 CRMS1100 CRMS1300 CRMS1500 Yield Strength, MPa (min)700 860 1030 1200 Yield Strength, MPa (max) 1000 1100 1300 1500 Ultimate Tensile Strength, MPa 900 min 1100 min 1300 min 1500 min ASTM Total Elongation, % min 3 3 2 2 EN Total Elongation, % min 3 3 2 2 JIS Total Elon

44、gation, % (min) 3 - - - Minimum Bend Radius (L) 4T 4T 4T 4T Minimum Bend Radius (T) 4T 4T 4T 4T Table 9: Mechanical Properties Martensitic Hot Rolled Grades Variant A91 A92 Common Global Grade Name HRMS1200 HRMS1400 Yield Strength, MPa (min)900 1050 Yield Strength, MPa (max) 1150 1250 Ultimate Tensi

45、le Strength, MPa 1200 min 1400 min ASTM Total Elongation, % min - - EN Total Elongation, % min 5 5 JIS Total Elongation, % (min) - - Minimum Bend Radius (L) 4T 4T Minimum Bend Radius (T) 4T 4T * Variants shown with an asterisk and gray typeface are not in the Global material strategy and should not

46、be used without approval from the Sheet Metal Tech Club. Sources for these grades may not exist in your region. Contact Product Development Materials Engineering for assistance or for help in locating the responsible engineer. 3.4 DIMENSIONS AND DIMENSIONAL TOLERANCES 3.4.1 Thickness and Thickness

47、Tolerance Unless otherwise specified by Ford Motor Company on the Engineering Drawing or Purchase Order, the tolerance for thickness shall comply with ESBAU5-1N260-AA or latest level. ENGINEERING MATERIAL SPECIFICATION WSS-M1A368-A11/A92 Copyright 2012, Ford Global Technologies, LLC Page 7 of 10 3.4

48、.2. Other Dimensional Tolerances Length, width, flatness, camber, out-of-square, mass and other tolerances for the material as delivered by the steel supplier are defined by the relevant local manufacturing activity. Examples include ASTM A 568M, A 635M, JFS A 1001, JFS A 2001, EN 10051, EN 10131 and EN 10143. 3.5 FORMABILITY

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