1、Comments, suggestions, or questions on this document should be addressed to: Commander, Naval Sea Systems Command, ATTN: SEA 05S, 1333 Isaac Hull Avenue, SE, Stop 5160, Washington Navy Yard DC 20376-5160 or emailed to CommandStandardsnavy.mil, with the subject line “Document Comment”. Since contact
2、information can change, you may want to verify the currency of this address information using the ASSIST Online database at https:/assist.dla.mil. AMSC N/A FSC 9350 INCH-POUND MIL-DTL-15606J 09 May 2012 SUPERSEDING MIL-B-15606H(NAVY) 30 June 1983 DETAIL SPECIFICATION BRICKS, REFRACTORY, AND BURNER T
3、ILE, NAVAL BOILER FURNACE LINING QUALITY This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers refractory brick and burner tile and lining for Naval boiler furnaces. 1.2 Classification. Refractory brick will
4、 be of the following grades, as specified (see 6.2). Applicable ASTM C27 Group Classification is shown in parenthesis. 1.2.1 Grades. Grade AA 65 to 90 percent Alumina (High Alumina) Grade A Alumina (60 percent High-Alumina) Grade B Super Duty (Fireclay Brick) 2. APPLICABLE DOCUMENTS 2.1 General. The
5、 documents listed in this section are specified in sections 3, 4, or 5 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of
6、 this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3, 4, or 5 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Other Government documents, drawings, and publications. The following other Governm
7、ent drawings form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. NAVAL SEA SYSTEMS COMMAND (NAVSEA) DRAWINGS NAVSHIPS 810-1385708 - Burner Tile, Refractory, for Marine Boilers NAVSHIPS
8、 S5102-1385784 - Brick, Refractory, for Marine Boilers (Copies of these documents are available from the applicable repositories listed in NAVSEA S0005-AE-PRO-010/EDM. Copies of NAVSEA S0005-AE-PRO-010/EDM are available from the Naval Logistics Library, 5450 Carlisle Pike, Mechanicsburg, PA 17055 or
9、 online at https:/nll.ahf.nmci.navy.mil.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-15606J 2 2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specifie
10、d, the issues of these documents are those cited in the solicitation or contract. AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) ANSI/ASQ Z1.4 - Sampling Procedures and Tables for Inspection by Attributes (Copies of this document are available from the American National Standards Institute, 25 W. 43rd
11、 St, 4th Floor, New York, NY 10036 or online at http:/webstore.ansi.org/.) ASTM INTERNATIONAL ASTM C24 - Standard Test Method for Pyrometric Cone Equivalent (PCE) of Fireclay and High Alumina Refractory Materials ASTM C27 - Standard Classification of Fireclay and High Alumina Refractory Brick ASTM C
12、113 - Standard Test Method for Reheat Change of Refractory Brick ASTM C133 - Standard Test Methods for Cold Crushing Strength and Modulus of Rupture of Refractories ASTM C134 - Standard Test Methods for Size, Dimensional Measurements, and Bulk Density of Refractory Brick and Insulating Firebrick (Co
13、pies of these documents are available from ASTM International, 100 Barr Harbor Dr., P.O. Box C700, West Conshohocken, PA 19428-2959 or online at www.astm.org.) INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) ISO 12677 - Chemical Analysis of Refractory Products by X-ray Fluorescence (XRF) - Fuse
14、d Cast-bead Method ISO 21587-1 - Chemical Analysis of Aluminosilicate Refractory Products (Alternative to the X-ray Fluorescence Method) - Part 1: Apparatus, Reagents, Dissolution and Gravimetric Silica ISO 21587-2 - Chemical Analysis of Aluminosilicate Refractory Products (Alternative to the X-ray
15、Fluorescence Method) - Part 2: Wet Chemical Analysis ISO 21587-3 - Chemical Analysis of Aluminosilicate Refractory Products (Alternative to the X-ray Fluorescence Method) - Part 3: Inductively Coupled Plasma and Atomic Absorption Spectrometry Methods (Copies of these documents are available from Int
16、ernational Organization for Standardization (ISO), 1, ch. de la Voie-Creuse, Case postale 56 CH-1211 Geneva 20, Switzerland or online at www.iso.org.) 2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the refer
17、ences cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspe
18、ction in accordance with 4.1. 3.2 Composition. The brick or tile shall be composed of heat-resistant clays or processed aluminum silicate minerals which have been burned or fired to produce the desired properties. Group classification based on composition is in accordance with ASTM C27. Provided by
19、IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-15606J 3 3.3 Dimensions. Refractory brick (henceforth known as brick) shall be furnished in the dimensions specified (see 6.2), and shall conform to S5102-1385784 for shapes shown thereon. Burner tile shall
20、 be furnished in dimensions specified (see 6.2), and shall conform to 810-1385708 for shapes shown thereon. Brick (including those with anchor bolt recesses) are described as standard shapes (see 3.4.1, 4.5.1, and 6.2). Other brick and burner tile are described as special shapes (see 3.4.2, 3.4.3, a
21、nd 6.2). 3.4 Tolerances. 3.4.1 Standard shape brick. Length, width, and thickness of standard rectangular refractory brick (including those recessed for anchor bolts), as shown on S5102-1385784, shall be within the limits specified in table I (see 4.5.4.1 and 6.2). TABLE I. Allowable dimensions of s
22、tandard shape brick. Nominal dimensions (inches) Minimum (inches) Maximum (inches) Length 13916 13.36 13.77 9 8.86 9.14 Width 6 6.62 6.88 4 4.41 4.59 2 2.20 2.30 Thickness 2 2.44 2.57 1 1.19 1.31 2 1.94 2.06 3.4.2 Special shape brick. Special shape brick shall not deviate from specified dimensions m
23、ore than 2 percent on dimensions of 4 inches or greater, or 3 percent on dimensions less than 4 inches (see 4.5.4.2 and 6.2). 3.4.3 Burner tile. Burner tile shall conform to the dimensions and tolerances shown on 810-1385708. Non-parallelism of abutting tile faces, arranged as shown on figure 1, sha
24、ll not exceed inch (see 4.5.4.3 and 6.2). 3.5 Warpage. 3.5.1 Standard shape brick. Any gap between adjacent, stacked standard shape brick shall not exceed 332 inch (see 4.5.5.1). 3.5.2 Special shape brick. Special shape brick shall be free of swells, warps, and distortions that would prevent ready a
25、nd accurate laying up with a maximum joint gap of inch (see 4.5.5.2). 3.5.3 Burner tile. Burner tile shall be free of swells, warps, and distortions that would prevent ready and accurate laying with a maximum joint thickness of inch between abutting surfaces. A straight edge laid along the longest d
26、imension on the working face of the tile shall not reveal warpage greater than inch (see 4.5.5.3). 3.6 Marking. The grade designation, “AA”, “A”, or “B”, and the brand (or such name or symbol as will serve to identify the manufacturer) shall be molded into each brick or tile (see 4.5.2 and 6.2). As
27、an alternate method (for grade designations only), the grade designations may be stamped with permanent ink on each brick. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-15606J 4 3.7 Grade AA, 65 to 90 percent alumina. 3.7.1 Modulus of ruptu
28、re. The modulus of rupture shall average not less than 600 pounds per square inch (lb/in2) and no single specimen shall be less than 300 lb/in2(see 4.6.4). 3.7.2 Dimensional stability. The stability value shall not exceed 0.75 percent. Expansion, if any, in the length dimension shall not exceed 1 pe
29、rcent. Shrinkage, if any, in the length dimension shall not exceed 0.75 percent (see 4.6.5). 3.8 Grade A, alumina. 3.8.1 Alumina. The alumina content shall be not less than 57.5 percent (see 4.6.1). 3.8.2 Pyrometric cone equivalent (PCE). The PCE shall be not less than cone number 35 (3245 F) (see 4
30、.6.2). Grade A PCE testing is only required for the initial first article testing of a manufacturers brand performed in accordance with MIL-DTL-15606. 3.8.3 Permanent volume change. The permanent volume change after reheating at 291010 F for 5 hours shall be not greater than +3 nor less than -1 perc
31、ent after the first reheat. The brick shall not expand nor shrink more than an additional 1 percent by volume between the first and third reheat (see 4.6.3). 3.8.4 Modulus of rupture. The modulus of rupture shall average not less than 500 lb/in2 for bricks only and no single specimen shall be less t
32、han 250 lb/in2 (see 4.6.4). 3.9 Grade B, super duty. 3.9.1 Pyrometric cone equivalent. The PCE shall not be less than cone number 33 (3170 F) (see 4.6.2). 3.9.2 Permanent volume change. The permanent volume change after reheating at 291010 F for 5 hours shall be not greater than +3 nor less than -1
33、percent (see 4.6.3). 3.9.3 Modulus of rupture. The modulus of rupture shall average not less than 600 lb/in2and no single specimen shall be less than 250 lb/in2(see 4.6.4). 3.10 Burner tile. Burner tile shall be of the same quality material and processing as Grade A brick. 3.10.1 Permanent linear ch
34、ange. The permanent linear change after reheating at 291010 F for 5 hours shall be not more than 1 percent after the first reheat. The sample shall not shrink more than an additional 1 percent in linear dimension between the first and third reheat (see 4.6.6). 3.11 Workmanship. 3.11.1 Brick. The bri
35、cks shall be compact, homogenous in structure, and free from voids, soft centers, and cracks greater than 1 inch or 10 percent of the brick length (whichever is greater) and that are greater than 0.01 inch in width. No crack depth shall exceed inch. Crack-like defects that appear to jeopardize the s
36、tructural integrity of the brick are not acceptable. Cracks shall not extend beyond one brick surface (extend around corners). The following are not considered cracks: crazing (surface cracking), blemishes less than 38 inch length that do not meet crack depth of inch, discontinuous grain boundaries,
37、 and any feature so small (less than 332 inch deep) or indistinct to the naked eye that it cannot clearly meet crack criteria. Crumbling or chipping at corners and edges shall not exceed 38 inch (see figure 2). Corners and edges shall be sufficiently solid and strong to prevent more than 38 inch cru
38、mbling or chipping when thumb pressure is applied (see 4.5.3). Defects on the working surface itself shall not exceed 132 inch in depth by 1 inch in length. Buried surfaces of brick shall have the same criteria for crumbling or chipping at corners as shown for the working surface. Defects on the bur
39、ied surfaces shall not exceed inch in depth by 1 inch in length. 3.11.2 Burner tile. The burner tiles shall be compact, homogenous in structure, and free from voids, soft centers, and cracks as described in 3.11.1. Provided by IHSNot for ResaleNo reproduction or networking permitted without license
40、from IHS-,-,-MIL-DTL-15606J 5 3.11.2.1 Working surfaces. Crumbling or chipping at corners and edges of working surfaces shall not exceed inch (see figure 3). Corners and edges shall be sufficiently solid and strong to prevent more than inch crumbling or chipping when thumb pressure is applied. At fe
41、ather edges where anchor bolt holes are close to the burner throat, crumbling or broken out areas are allowable to a maximum of inch in depth (see 4.5.3). 3.11.2.2 Buried surfaces. At buried surfaces (see 6.11.1 and figure 3), crumbling or chipping of edges and corners shall not exceed inch in depth
42、. Defects on the surface itself shall not exceed inch in depth by 1 inch in length. 3.11.3 Branding. The indented or formed symbol or lettering denoting the manufacturer shall be legible. 3.12 Spall resistance. Products provided under this specification shall be spall resistance in accordance with b
43、est industry practices for the intended use (see 4.8). As guidance, a range of physical properties is shown in 6.1 3.13 Toxicity. When evaluated in accordance with 4.7, the brick and tile shall have no adverse effect on the health of personnel when used for their intended purpose and shall not cause
44、 any environmental problems during waste disposal (see 4.7 and 6.8). 4. VERIFICATION 4.1 Classification of inspections. The inspection requirements specified herein are classified as follows: a. First article (see 4.3). b. Conformance inspection (see 4.4). 4.2 Sample size. Sampling for first article
45、 and conformance inspection shall be performed in accordance with ANSI/ACQ Z1.4 and table II. For purposes of sampling, an inspection lot for examinations and tests shall consist of all material of the same grade, size, and shape offered for delivery at one time. Unless otherwise specified (see 6.2)
46、, the unit of sample shall be one brick or one tile. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-15606J 6 TABLE II. Sampling for first article and conformance inspection. Inspection Test paragraph Inspection level Workmanship 4.5.3 S-1 Di
47、mension Standard shape brick 4.5.4.1 S-3 Special shape brick 4.5.4.2 S-3 Burner tile 4.5.4.3 1/ Warpage Standard brick 4.5.5.1 1/ Special shape brick 4.5.5.2 1/ Burner tile 4.5.5.3 1/ Chemical analysis 4.6.1 1/ Pyrometric cone equivalent 4.6.2 1/ Permanent volume change 4.6.3 1/ Modulus of rupture 4
48、.6.4 1/ Stability 4.6.5 1/ Permanent linear change 4.6.6 1/ NOTE: 1/Sample size and accept or reject criteria as specified in test paragraph and contract. 4.3 First article inspection. First article inspection shall include the examinations of 4.5 and the tests of 4.6, as specified in table III (see
49、 3.1 and 6.2). TABLE III. First article inspection. Test Test paragraph Requirement paragraph Visual Examination 4.5.3 3.3 to 3.6 and 3.11 Chemical analysis 4.6.1 3.8.1 or 3.10 Pyrometric cone equivalent 4.6.2 3.8.2 1/or 3.9.1 Permanent volume change 4.6.3 3.8.3 or 3.9.2 Modulus of rupture 4.6.4 3.7.2 or 3.8.4 or 3.9.3 Stability 4.6.5 3.7.2 Permanent linear change 4.6.6 3.10.1 NOTE: 1/The PCE t
