1、 RI 9038054 0005b45 888 INCH-POUND A-A-59500 2 December 1999 COMMERCIAL ITEM DESCRIPTION BLADES, SHEARING MACHINE, METAL SQUARING The General Services Adminitration has authorized the use of this commercial item description for all federal agencies. 1. SCOPE. This commercial item description (CID) c
2、overs replacement blades for metal squaring, shearing machines. 2. CLASSIFICATION. The shearing machine blades shall be of the following types and grades. Grade refers to the tool steel alloy designation per American Society for Testing and Materials (ASTM) E527, “Standard Practice for Numbering Met
3、als and Alloys (UNS)“, and ASTM A48 1, “Standard Specification for Tool Steels Alloy“, as shown in table I. Refer to section 7.4 for general guidelines to blade type selection. The type and grade to be funiished shall be as specified (see 7.2(b). Type I - 2 cutting edges Type II - 4 cutting edges 3.
4、 SALIENT CHARACTERISTICS 3.1 General requirements. The shear blades shall be manufactured in accordance with the requirements shown in table I. Unless otherwise specified (see 7.2(c), the blades shall meet the hardness requirements shown in table II when tested in accordance with ASTM El 8, “Standar
5、d Test Methods for Rockwell Hardness and Rockwell Superficial Hardness of Metallic Materiais“. Unless otherwise specified (see 7.2(d), the blade tolerances and dimensions shail be in accordance with the original equipment manuhcturers (OEM) requirements for the make and model of shearing machine spe
6、cified (see 7.2(e). 4. REGULATORY REQUIREMENTS 4.1 Recovered materiais. The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). Beneficial comments, recommendations, additions,
7、 deletions, clarifications, etc. and any other data which may improve this document should be sent to: Defense Supply Center Richmond (DSCR), ATTN: DSCR-VBD, 8000 Jefferson Davis Highway, Richmond, VA 23297-5410. AMSC NIA FSC 3455 DISTRIBUTION STATEMENT A. Approved for public release; distribution i
8、s unlimited. Licensed by Information Handling ServicesA-A-59500 ASTM E527 Unifiednumber (ASTMA681 type desgmmn) T30402 Grade A B C D E F G Percent (%) of alloy element content per table 1 of ASTM A681 C Mn Si Cr V W S P Mo . 0.03 0.03 0.70 - 1.40- 0.10- 0.10- 11.0- 0.50- I (D2) T30403 (D3) (A2) T419
9、04 (S4) T4 1905 (S5) (S6) T30102 T41906 T41907 TABLE I. Blade mades and alloy content reauirements. 1.60 0.60 0.60 3.0 1.10 max. max. 1.20 2.35 0.60 0.60 13.0 max. max. max. max. 1.05 1.00 0.50 5.50 0.50 max. max. 1.40 0.50 - 0.60- 1.75- 0.10- 0.15 - 0.03 0.03 0.65 0.95 2.25 0.50 0.35 max. max. 0.50
10、 0.60- 1.75- 0.10- 0.15 - 0.03 0.03 0.20 - 0.65 1.00 2.25 0.50 0.35 max. max. 1.35 0.50 1.50 2.50 1.50 0.40 max. max. 0.50 2.00- 0.10- 0.10- 11.0- 1.00 1.00 0.03 0.03 0.95 - 0.40- 0.10- 4.75 - 0.15 - 0.03 0.03 0.90 - 0.40 - 1.20 - 2.00 - 1.20 - 0.20 - 0.03 0.03 0.30 - 0.45 - 0.20 - 0.20- 3.0 - 0.35
11、 0.03 0.03 1.30 - (S7) Auoy elements: C-Carbon, conform to the manufacturers own drawings, specifications, standards, and quality assurance practices; and be the same product offered for sale in the commercial market. The Government reserves the right to require proof of such conformance. 6. PACKAGI
12、NG 6.1 Preservation. packing. and marking. For acquisition purposes, the product shall be preserved, packed, and marked as specified in the acquisition order (see 7.2(f). 2 Licensed by Information Handling Services9038054 0005b47 b50 m A-A-5 9500 7. NOTES 7.1 Source of documents. 7.1.1 m. The FAR ma
13、y be obtained from the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402. 7.1.2 ASTM standards. Copies of ASTM standards may be obtained fiom the American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959. 7.2 Orderinp data. A
14、cquisition documents must spec the following information: a. Title, number, and date of this document b. The type and grade of blade required (see 2) c. Rockwell hardness, ifdifferent (see 3.1) d. Blade tolerances and dimensions, if different (see 3.1) e. Shearing machine make and model, for use on
15、see 3.1) f. Packaging requirements (see 6.1) 7.3 Part identification number (PIN. The following part identification numbering system is for government purposes and does not constitute a requirement for the contractor. - AA5 m-xx Grade: A - ASTM E527, unified number T30402 B - ASTM E527, unified num
16、ber T30403 C - ASTM E527, unified number T30102 D - ASTM E527, unified number T41904 E - ASTM E527, unified number T41905 F - ASTM E527, unified number T41906 G - ASTM E527, unified number T41907 A - Type I (2 cutting edges) B - Type II (4 cutting edges) Type: I CIDnumber 7.4 Blade twe and auulicati
17、on. The correct blade type and heat treatment for any plate shearing application is primarily dependent upon the chemical and physical properties of the work material being sheared. Table III contains general guidelines for blade type selection. The user should review shearing applications with the
18、original equipment manufacturer of the shearing machine for selecting the correct blade type and hardness. 3 Licensed by Information Handling ServicesA-A-59500 Application General machine ShopMild steel (1010-1023, A283, A285, A36) High strength, low alloy steel (A242, A-441, A-572, A-573, t Thickne
19、ss of metal being sheared (in) 0.063 0.188 0.250 0.375 0.500 0.625 0.750 1.00( AAACCEEE B D FF NIAA A C C E E E B D FF I TABLE III. Recommended blade gradefs) for metal shearing amdicationS. A-588, A-633, A-808) Quenchedandtemperedlowcarbon N/A A C C E E E F alloy steel D FG Abrasion resistant steel
20、 NAC C E E F F F (360 Bhn, type AR, RQ) D GG Stainless AACCEFFF (414,431,440,301) DD GG Stainless AACCEFFF (416,418,446,302,304, 316, 317, DD GG 308, 309) Aluminum, temper O AAAABBCE Aluminum AAABCCCE copper AAAACCCE BB Titanium (Aiioy types 5 and 6) ABCCEEEF DD FFG Inconel 7 18 ACCCEEEF DD FFG Hast
21、eilo y ACCCEEEF DD FFG (A-514, A-517, A-678) (1100,2024,5052,6061) BB D (7075T6,2024T3,2024T4) B D MILITARY INTERESTS: Custodians: Air Force - 99 Army-AL Reviewer: Air Force - 84 CIVIL AGENCY COORDINATING ACTIVITY: GSA - 6FET Preparing activity: DLA - GS (Project 3455-0 160) 4 Licensed by Information Handling Services
