1、NAVISTAR, INC. TMS (TRUCK MATERIAL SPECIFICATION)NUMBER: TMS-6032 TITLE: Hose, Fuel and Oil Resistant, Low Pressure CURRENT REV No.: 0808 DATE: August 2008 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES ISSUE DATED: June 2003 PRINTED COPIES OF THIS DOCUMENT MU
2、ST BE VERIFIED FOR CURRENT REVISION This 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 determ
3、ine the applicability of regulatory limits prior to use. Change Notice: Replaced “International Truck and Engine Corporation” with “Navistar, Inc.” per corporate directive; added CEMS B-50 requirement; removed Type II and references to it; editorial changes. Reference: File 20-3 Key Words: Hose; Fue
4、l and Oil Resistant 1.0 APPLICATION This specification covers fuel and oil resistant, fabric reinforced rubber hose suitable for use with diesel fuel, oil, or power steering fluid hoses with clamped joints or fitted connections. If Type is not specified on the Engineering drawing, Type I shall be su
5、pplied. Type II is no longer available and e replaced by Type VI per TMS-6016 unless Engineering approves use of Type I material. shall b2.0 SCOPE This specification covers the general requirements, labeling/identification, property and performance requirements, qualification, and source approval an
6、d quality control. 2.1 Restricted Chemical 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 REFERENCE DOCUMENTS Unless otherwise specified the latest issue of all referenced stan
7、dards shall apply. The following specifications, standards, and regulations are referenced in this specification. Quality System Standard ISO 9001 or TS-16949 NAVISTAR TMS-6811 SAE J1019 CFR 29, Part 1910 NAVISTAR TMS-9528 ASTM D 380 NAVISTAR Manufacturing Std. MS-D-13 NAVISTAR TMS-9543 ASTM D 471 N
8、AVISTAR CEMS A-0, Parts I and II SAE J20 ASTM D 622 NAVISTAR CEMS A-40 SAE J30 ASTM D 2137 NAVISTAR CEMS C-3 SAE J246 ASTM D 3884 ASTM G 154 4.0 GENERAL REQUIREMENTS 4.1 Hose Construction 4.1.1 Type I This hose shall consist of a smooth-bore tube of butadiene/acrylonitrile copolymer compound, reinfo
9、rced with one ply of braided, knit or woven polyester fiber yarn or two ply counter directional helically wound yarn (polyester or aramid fiber) and covered with a suitable heat, fuel, oil, and ozone This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permiss
10、ion from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2008 by Navistar, Inc. AUGUST 2008 Page 1 of 7 Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license fr
11、om IHS-,-,-NUMBER: TITLE: REVISION: TMS-6032 Hose, Fuel And Oil Resistant, Low Pressure 0808 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. 2008 by Navi
12、star, Inc. resistant synthetic elastomer. This hose is available as either bulk, straight hose or as formed (curved) hose and may be assembled with either clamps or with crimped hose fittings. 4.1.2 Type II Type II is no longer available and shall not be specified on new engineering prints. Current
13、requirements specifying Type II shall use TYPE VI per TMS-6016. 4.2 Fittings - Reference SAE J246 The hose fittings shall have permanently attached ends of brass or coated steel. 4.2.1 Brass UNS No. C36000 (Half hard), C34500, or C35000 for bar or extruded stock, or C37700 for forgings per CEMS C-3.
14、 4.2.2 Steel Shall meet the requirements of Code 0-115 per CEMS A-0, Part II. Flareless type ferrules shall be made from steel 1008, 1010, 1112, or 12L14 per CEMS A-0, Part I, and shall be case hardened Class or Class 3A per CEMS A-40, Section A. 34.3 Dimensions and Tolerances Unless otherwise speci
15、fied, hose shall meet the dimension and tolerance requirements shown in Table 1 (Type I Bulk Hose) and Table 2 (Type I Formed Hose). TABLE 1 DIMENSIONS TYPE I (Bulk Hose) Nominal ID Inside Diameter Outside Diameter Part Number inches in. (mm) in. (mm) Production - Parts 5/32 .156.016 3.97.4 .366.024
16、 9.3.6 L2643540 - 2643540R1 3/16 .188.016 4.76.4 .406.02410.3.6 L2643541 - 2643541R1 7/32 .219.016 5.56.4 .445.024 11.3.6 L2643542 - 2643542R1 1/4 .250.016 6.35.4 .500.024 12.7.6 L2643543 - 2643543R1 5/16 .312.0167.94.4 .563.024 14.3.6 L2643544 - 2643544R1 3/8* .375.016 9.53.4 .626.024 15.9.6 L26435
17、45 - 2643545R1 1/2* .500.02312.7.58 .827.031 21.0.8 L2643546 - 2643546R1 5/8 .625.03115.88.79 1.000.031 25.4.8 L2643547 - 2643547R1 3/4* .750.03119.05.79 1.142.031 29.0.8 L2643655 - 2643655R1 1* 1.00.03125.4.79 1.406.039 35.71.0 L2643623 - 2643623R1 * Preferred (Standard) sizes for use in new design
18、. TABLE 2 LENGTH TOLERANCES (Formed Hose) Dimension Straight Hose Arm Length mm in mm in mm in 0-150 0 - 6 3.2 .12 4.0 .16 150-300 6 - 12 +9.7, -4.8 +.38, -.12 6.4 .25 300-610 12 - 24 +9.7, -4.8 +.38, -.19 7.2 .28 610-1000 24 - 36 +12.7, -6.4 +.50, -.25 9.7 .38 over 1000 over 36 2% 2% 2% 2% Inside D
19、iameter - Same as Bulk Hose See Table 1 AUGUST 2008 Page 2 of 7 Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: TITLE: REVISION: TMS-6032 Hose, Fuel And Oil Resistant, Low
20、 Pressure 0808 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. 2008 by Navistar, Inc. 4.4 Property And Performance Requirements All tests shall be in acc
21、ordance with ASTM D 380 or ASTM D 622 as appropriate unless otherwise specified. 4.4.1 Original Properties Tensile Strength: Tube and Cover: 8.0 MPa (1160 psi) minimum Elongation: Tube and Cover: 200% minimum Adhesion: All plies: 1.0 N/mm (6 lbf/in) width minimum Burst Strength: All sizes: 2.0 MPa (
22、290 psi) minimum. Assembly Tensile Strength: All Sizes: 145 kN (325 lb) minimum - crimp only. 4.4.2 Cold Flexibility 4.4.2.1 Method Perform test on virgin (unaged) hose, on heat aged hose (see Method 2 under Section 4.4.4.2), and on fluid aged hose (see Method 1 under “Fluid Resistance”); perform Co
23、ld Flexibility test per SAE J30 Method for SAE30R7 hose. 4.4.2.2. Required The hose shall not show any cracks, checks, or breaks in the tube or cover. Shall pass a proof test hold 1.0 MPa (145 psi) pressure for 30 seconds without leakage or failure. 4.4.3 Vacuum Collapse 4.4.3.1 Method 4.4.3.1.1 Ins
24、tall a 45 cm (18 in) length of hose on a test fixture. The test fixture shall hold both ends rigidly with the hose suspended between the ends. 4.4.3.1.2 Measure the OD at several locations and mark these locations. 4.4.3.1.3 Heat soak hose and fixture in a forced convection oven, 4 hours at 125 2C (
25、257 5F). 4.4.3.1.4. Apply a vacuum of 81 kPa (24 inches of Hg) for sizes less than 12.7mm (1/2 inch) ID; 34 kPa (10 inches of Hg) for sizes 12.7 mm to 25.4 mm (1/2 to 1 inches) ID; and 10 kPa (40 inches of water) for sizes greater than 25.4 mm (1 inch) ID for a min of 15 seconds and max of 60 second
26、s. 4.4.3.1.5 Measure the OD at the marked locations while under vacuum. 4.4.3.2 Required Diameter shall not decrease by more than 20% during application of a vacuum. 4.4.4 Aged Properties 4.4.4.1 Method - 1 Expose sample for 600 hours at 125 2C (255 5F), while wrapped 180 over a mandrel with a diame
27、ter of 10X the nominal OD. After exposure, remove and slowly straighten (taking 4 to 8 seconds). 4.4.4.1.1 Required: Sample shall show no cracks, charring or disintegration externally or internally. 4.4.4.2 Method - 2 Expose samples for 70 hours at 1252C (2555F) 4.4.4.2.1 Required: Hose: Pass cold f
28、lexibility; See Section 4.4.2 Tube and cover: Tensile change -20% max Elongation change -60% max Hardness change -5, +20 pts AUGUST 2008 Page 3 of 7 Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without lic
29、ense from IHS-,-,-NUMBER: TITLE: REVISION: TMS-6032 Hose, Fuel And Oil Resistant, Low Pressure 0808 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. 2008
30、by Navistar, Inc. 4.4.5 Kink Resistance - Bulk Hose Only Same as SAE J30 for SAE30R7 hose. For hose I.D. greater than or equal to 5/8”, use Table 3 below. TABLE 3 Nominal Hose ID. In. (mm) Hose Inside Diameter In. (mm) Hole Center Distance In. (mm) Hole Diameter In. (mm) Hose Length 5/8 (15.88) .625
31、 (16) 5.90 (150) 1.14 (29) 12 (304.8) 3/4 (19.05) .725 (19) 6.89 (175) 1.26 (32) 18 (457.2) 1 (25.4) 1.00 (25) 9.84 (250) 1.61 (41) 24 (609.6) 4.4.6 Fluid Resistance 4.4.6.1 Method Immerse tensile samples for 70 hours in the specified test fluids at the indicated temperatures: 4.4.6.1.1 IRM 903 oil
32、(per ASTM D 471) at 125 2C (255 5F). 4.4.6.1.2 #2 Diesel Fuel at 23 2C (73 3.6F). 4.4.6.1.3 Power steering fluid (per TMS-6811) at 125 2C (255 5F). 4.4.6.1.4 Measure reduction in tensile strength and elongation and volume change of tube and cover within 1 hour after removal from the fluid. 4.4.6.2 R
33、equired Tube Cover Hardness Change 10 pts 20 pts Tensile strength reduction 30% maximum 50% maximum Elongation reduction 40% maximum 50% maximum Volume change -5 to +15% 0 to +60% Cold flexibility (Type 1 only) Pass 4.4.7 Ozone Resistance - Same as SAE J30 for SAE30R7 hose. 4.4.8 Temperature Cycling
34、 4.4.8.1 Method Test per SAE J1019 Temperature Cycling Test except as indicated in Section 4.4.8.1.1. 4.4.8.1.1 Obtain production fittings and/or clamps as appropriate. Assemble hoses and fittings as specified for a production assembly. Where applicable, each hose fitting shall have a sight hole dri
35、lled into the fitting at the point where the hose end bottoms out. Each assembly shall be at least 150mm (6 inches) long and there shall be at least 6 assemblies per coupling type based on hose nipples. For instance, crimp assemblies shall require only 6 sets per size as the nipple is constant regar
36、dless of terminal end configuration. But, clamped joints will require six sets of each nipple/clamp combination since the nipple may change by connection. Weigh assemblies empty. Fill the assembly with the specified fluid and reweigh. Assemble to an air manifold in a controllable environmental chamb
37、er. Pressurize assemblies to 340 kPa (50 psi) and cycle as specified except that the maximum temperature shall be 125 C. 4.4.8.2 Required No visible fluid leakage is permitted during the test. Minor air leakage around the end fittings or due to air entrapment in the braid is permitted. Final weight
38、measurements shall not have more than a 3% fluid weight loss. Assemblies shall pass a Proof test without leakage. AUGUST 2008 Page 4 of 7 Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from I
39、HS-,-,-NUMBER: TITLE: REVISION: TMS-6032 Hose, Fuel And Oil Resistant, Low Pressure 0808 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. 2008 by Navistar
40、, Inc. 4.4.9 Performance Requirements for Labeling These tests requirements are to assure that any labeling or marking on the hose is durable enough to last through the warranty period of the part that the labeling is being applied to 4.4.9.1 QUV Test (100 hour) 4.4.9.1.1 Test Method: Perform test p
41、er ASTM G 154 (FS-40 bulbs) with the following test cycle: 8 hours ultraviolet light - 4 hours condensing humidity - Repeat until 100 hour exposure is complete 4.4.9.1.2 Required: No visible sign of degradation 4.4.9.2 Abrasion Resistance 4.4.9.2.1 Method: Test per ASTM D 3884 (RPDH). Use CS-10 whee
42、l, 250 gram load, 100 cycles. 4.4.9.2.2 Required: Labeling or marking must not smear and must remain legible as compared to the go / no go picture described in section 7.1.1.4.1. 5.0 QUALITY All product supplied shall be clean and free from dirt, oils, sharp edges, or defects harmful to product perf
43、ormance. Parts and assemblies shall meet the cleanliness requirements of TMS-9528. All rubber debris from cutting and processing shall be removed. Any internal release agents shall be flushed from the inside of the hose. There shall be no fabric or flash exposed on the ID of the hose. Parts shall be
44、 free of voids and/or reinforcement splices. 5.1 Qualification Material and processes submitted for approval to this specification shall include the following: 5.1.1 Report: A detailed and signed test report documenting testing to this specification prepared as per TMS-9543. The report will include
45、actual test data not merely test summaries. 5.1.2 Failure Modes: Test samples or photographs showing failure modes for each destructive test. 5.1.3 Test Procedure: The procedure used for preparing, curing and assembling materials for test. 5.1.4 Analysis: A detailed analysis of the test results incl
46、uding assumptions made, unexpected results and an explanation of any non-compliant results. 6.0 SOURCE APPROVAL AND QUALITY CONTROL 6.1 Supplier Requirements All suppliers to NAVISTAR are required to be registered to ISO 9001 Quality System Requirements. International will also accept TS-16949 regis
47、tration as long as the supplier can also fulfill all AIAG PPAP (Production Part Approval Process) documentation and approval requirements. Suppliers must maintain their certification with an accredited registrar and must furnish copies of registration certificates to their Corporate Buyer upon request. 6.2 Approval Parts supplied against contracts or purchase orders citing this specification shall be equivalent in all respects to those samples that were approved by the purchaser. No changes in formulation or processing practices are permitted without approval. In the event that change
