SAEJ30-1998 燃油和机油软管

SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. QUESTIONS REGARDING THIS DOCUMENT: (724) 772-8512 FAX: (724) 776-0243 TO PLACE A DOCUMENT ORDER; (724) 776-4970 FAX: (724) 776-0790 SAE WEB ADDRESS http://www.sae.org Copyright 1998 Society of Automotive Engineers, Inc. All rights reserved. Printed in U.S.A. SURFACE VEHICLE 400 Commonwealth Drive, Warrendale, PA 15096-0001 STANDARD Submitted for recognition as an American National Standard J30 REV. JUN1998 Issued 1946-01 Revised 1998-06 Superseding J30 DEC93 Fuel and Oil Hoses This SAE Standard was formulated by SAE-ASTM Technical Committee on Automotive Rubber. 1. Scope—This SAE Standard covers fuel and oil hose, coupled and uncoupled, for use with gasoline, oil, diesel fuel, lubrication oil, or the vapor present in either the fuel system or in the crankcase of internal combustion engines in mobile, stationary, and marine applications. Sections 7 and 11 cover hose intended to meet the demands of fuel injection systems. Sections 10 and 11 cover hose intended to meet low fuel permeation requirements. Section 3 covers Coupled and Uncoupled Synthetic Rubber Tube and Cover (SAE 30R2). Section 4 covers Lightweight Braided Reinforced Lacquer, Cement, or Rubber Covered Hose (SAE 30R3). Section 5 covers Wire Inserted Synthetic Rubber Tube and Cover (SAE 30R5). Section 6 covers Low-Pressure Coupled and Uncoupled Synthetic Rubber Tube and Cover (SAE 30R6), (SAE 30R7), (SAE 30R8). Section 7 covers Fuel Injection Hose Medium-Pressure Coupled and Uncoupled Synthetic Rubber Tube and Cover (SAE 30R9). Section 8 covers In-Tank, Low-Pressure, Uncoupled Fuel Hoses (SAE 30R10). Section 9 covers Unified Method for Fuel Hose Permeation. Section 10 covers Low Permeation Fuel Fill and Vent Hose (SAE 30R11). Section 11 covers Low Permeation Fuel Feed and Return Hose (SAE 30R12). 2. References 2.1 Applicable Publications—The following publications form a part of this specification to the extent specified herein. Unless otherwise indicated, the latest issue of SAE and ASTM Publications shall apply. 2.1.1 SAE PUBLICATIONS—Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. SAE J1645—Information Report Covering Electrostatic Charge in Fuel Systems SAE J1681—Gasoline/Methanol Mixtures for Material Testing SAE J1737—Recommended Practice for Measurement of Permeation Resistance by the Recirculation Technique SAE J1960—Accelerated Exposure of Automotive Exterior Materials Using a Controlled Irradiance Water Cooled Xenon Arc Apparatus SAE J2260—Non-Metallic, Low-Permeation Fuel System Tubing with One or More Layers SAE J30 Revised JUN1998 -2- 2.1.2 ASTM PUBLICATIONS—Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959. ASTM B 117—Method of Salt Spray (Fog) Testing ASTM D 257—DC Resistance or Conductance of Insulating Materials ASTM D 380—Methods of Testing Rubber Hose ASTM D 412—Test for Rubber Properties in Tension ASTM D 413—Test Methods for Rubber Property: Adhesion to Flexible Substrate ASTM D 471—Test for Rubber Property: Effect on Liquids ASTM D 573—Test for Rubber: Deterioration in an Air Oven ASTM D 1149—Test Method for Rubber Deterioration: Surface Ozone Cracking in a Chamber (Flat Specimens) 2.1.3 RMA PUBLICATION—Available from Rubber Manufacturers Association, 1400 K Street, NW, Suite 900, Washington D.C. 20005. RMA IP-2—Method for Measuring Electrical Resistance of Hose 3. Coupled and Uncoupled Synthetic Rubber Tube and Cover (SAE 30R2) 3.1 Hose Construction 3.1.1 TYPE 1—The construction of this hose embodies a smooth bore tube of suitable synthetic rubber material, reinforced with one ply of braided, knit, spiral, or woven fabric, and finished with a suitable oil- and ozone- resisting synthetic rubber cover. 3.1.2 TYPE 2—The construction of this hose embodies a smooth bore tube of suitable synthetic rubber material, reinforced with two braided plies or multiples of woven fabric, and finished with a suitable oil- and ozone- resisting synthetic rubber cover. 3.1.3 TYPE 3—The construction of this hose embodies a smooth bore tube of suitable synthetic rubber material, a single braided ply of textile reinforcement, and finished with a suitable oil- and ozone-resisting synthetic rubber cover. 3.2 Dimensions—Dimensions and tolerances are shown in Table 1. 3.3 Retests and Rejection—Any hose or assembly that fails in one or more tests shall be resampled and retested. Twice the number of specimens shall be selected from the lot in question for any retests, and failure of any of the retested samples shall be cause for rejection. 3.4 Tests 3.4.1 QUALIFICATION TESTS—For qualification tests, one 7.6 m (25 ft) length of bulk hose or 10 assemblies of each size to be qualified shall be furnished. In order to qualify under this standard, hose and hose assemblies must meet the requirements of the following tests: (a) change-in-length followed by (b) burst, (c) vacuum collapse, (d) cold flexibility, (e) tensile strength and elongation, tube and cover, (f) dry heat resistance, (g) fuel resistance, (h) oil resistance, (i) ozone resistance, and (j) adhesion. In addition to the above, hose assemblies shall be subjected to qualification tests as follows: (k) proof, (l) tensile test of assembly, (m) leakage, (n) corrosion, and (o) visual inspection. SAE J30 Revised JUN1998 -3- 3.4.2 FREQUENCY OF TESTING FOR INSPECTION—On uncoupled hose, tests shall be conducted on samples representing each lot of 152 to 3048 m (500 to 10 000 ft). Where a lot is 152 m (500 ft) or less, no tests shall be conducted, but materials and workmanship shall be the same on such lots as on hose previously qualified under this specification. On coupled hose lots from 100 to 10 000 pieces, not less than two assemblies shall be subjected to all inspection tests except the visual test, which shall apply to 100% of the assemblies. 3.4.3 INSPECTION TESTS—On coupled hose, these inspection tests shall apply: (a) change-in-length, (b) burst, (c) vacuum collapse, (d) cold flexibility, and (e) adhesion. On coupled hose assemblies, these tests shall apply: (f) burst, (g) proof, (h) tension test of assembly (unaged), and (i) visual inspection (100%). 3.5 Test Requirements 3.5.1 CHANGE-IN-LENGTH TESTS—Tests for change in length shall be conducted in accordance with ASTM D 380, except that the original measurement shall be at 0 MPa (0 psi) pressure. The change in length shall be determined at the pressures specified in Table 2. Requirements are as follows: 3.5.1.1 Type 1—All sizes ±5% maximum. TABLE 1—DIMENSIONS AND TOLERANCES FOR SAE 30R2 Nominal Size mm Nominal Size in Inside Diameter in Inside Diameter mm Outside Diameter(1) Types 1 and 3 mm Min 1. Concentricity based on total indicator reading between the inside bore of the hose and the outer surface of the hose shall not exceed the values given below: Sizes 1/4 in and under: 0/76 mm (0.030 in) Sizes over 1/4 up to 7/8 in: 1.02 mm (0.040 in) Sizes over 7/8 in: 1.27 mm (0.050 in) Outside Diameter(1) Types 1 and 3 mm Max Outside Diameter(1) Types 1 and 3 in Min Outside Diameter(1) Types 1 and 3 in Max Outside Diameter(1) Type 2 Min Outside Diameter(1) Type 2 mm Max Outside Diameter(1) Type 2 in Min Outside Diameter(1) Type 2 in Max 3.18 1/8 3.18 ± 0.25 0.125 ± 0.010 8.33 9.53 0.328 0.375 11.13 12.70 0.438 0.500 4.78 3/16 4.78 ± 0.40 0.188 ± 0.016 9.93 11.13 0.391 0.438 12.70 14.27 0.500 0.562 6.35 1/4 6.35 ± 0.40 0.250 ± 0.016 11.51 12.70 0.453 0.500 14.27 15.88 0.562 0.625 7.92 5/16 7.92 ± 0.40 0.312 ± 0.016 13.11 14.27 0.516 0.562 15.88 17.48 0.625 0.688 9.53 3/8 9.53 ± 0.40 0.375 ± 0.016 14.68 15.88 0.578 0.625 17.48 19.05 0.688 0.750 11.13 7/16 11.13 ± 0.58 0.438 ± 0.023 — — — — 19.05 20.62 0.750 0.812 12.70 1/2 12.70 ± 0.58 0.500 ± 0.023 18.26 19.84 0.719 0.781 20.62 22.23 0.812 0.875 15.88 5/8 15.88 ± 0.58 0.625 ± 0.023 21.44 23.01 0.844 0.906 23.83 25.40 0.938 1.000 19.05 3/4 19.05 ± 0.58 0.750 ± 0.023 26.97 28.58 1.062 1.125 26.97 28.58 1.062 1.125 22.23 7/8 22.23 ± 0.79 0.875 ± 0.031 — — — — 30.18 31.75 1.188 1.250 25.40 1 25.40 ± 0.79 1.000 ± 0.031 32.54 34.93 1.281 1.375 32.54 34.93 1.281 1.375 28.58 1-1/8 28.58 ± 0.79 1.125 ± 0.031 — — — — 38.10 41.28 1.500 1.625 31.75 1-1/4 31.75 ± 0.99 1.250 ± 0.039 — — — — 41.28 44.45 1.625 1.750 34.93 1-3/8 34.93 ± 0.99 1.375 ± 0.039 — — — — 44.45 47.63 1.750 1.875 38.10 1-1/2 38.10 ± 0.99 1.500 ± 0.039 — — — — 47.63 50.80 1.875 2.000 41.28 1-5/8 41.28 ± 0.99 1.625 ± 0.039 — — — — 50.80 53.98 2.000 2.125 44.45 1-3/4 44.45 ± 0.99 1.750 ± 0.039 — — — — 53.98 57.15 2.125 2.250 50.80 2 50.80 ± 0.99 2.000 ± 0.039 — — — — 60.33 63.50 2.375 2.500 SAE J30 Revised JUN1998 -4- 3.5.1.2 Type 2—Up to 12.70 mm (1/2 in) ID hose, 0 to -8% change in length: 12.70 mm (1/2 in) ID hose and larger, 0 to -6% change in length. 3.5.1.3 Type 3—All sizes, ±5% maximum. 3.5.2 BURST TEST—The minimum bursting strength shall be as specified in Table 2. 3.5.3 VACUUM COLLAPSE TEST—Types 1 and 3: Sizes less than 12.70 mm (1/2 in) ID shall be subjected to 67.5 kPa (20 in Hg) vacuum; 12.70 mm (1/2 in) ID hose shall be subjected to 34 kPa (10 in Hg) vacuum. Sizes greater than 12.70 mm (1/2 in) ID shall be excluded from the vacuum test. 3.5.3.1 Type 2—Sizes less than 15.88 mm (5/8 in) ID shall be subjected to 67.5 kPa (20 in Hg) vacuum. Hose 15.88 mm (5/8 in) through 25.40 mm (1 in) ID shall be subjected to 34 kPa (10 in Hg) vacuum; sizes greater than 25.40 mm (1 in) ID shall be excluded from the vacuum test. During the vacuum test described, a 915 mm (3 ft) length of hose or a hose assembly shall be held in a straight line, and no diameter shall decrease by more than 20% during application of vacuum for 15 s and not over 30 s. 3.5.4 COLD FLEXIBILITY—Hose 19.05 mm (3/4 in) ID and under, with or without couplings, shall be used for this test. Two samples shall be used for this test. One sample shall be unaged and the other sample shall be immersed in ASTM Oil No. 3 for 70 h at 100 °C ± 1 °C (212 °F ± 2 °F). The aged and unaged samples shall then be subjected to a temperature of -40 °C ± 1 °C (-40 °F ± 2 °F) for a period of 5 h, after which the hose shall be flexed in the cold chamber through 180 degrees from the centerline to a diameter of 10 times the maximum OD of the hose. This flexing shall be within 4 s. The hose shall not fracture and shall not show any cracks, checks, or breaks in the tube or cover. Cracking of the tube may be determined by application of the proof pressure specified in Table 2. TABLE 2—BURST AND CHANGE-IN-LENGTH TESTS FOR SAE 30R2 Nominal Size mm Nominal Size in Burst Test, min Type 1 MPa Burst Test, min Type 1 psi Burst Test, min Type 2 MPa Burst Test, min Type 2 psi Burst Test, min Type 3 MPa Burst Test, min Type 3 psi Change-in- Length Test Types 1 and 2 MPa Change-in- Length Test Types 1 and 2 psi Change-in- Length Test Type 3 MPa Change-in- Length Test Type 3 psi 3.18 1/8 4.82 700 4.82 700 — — 0.79 115 — — 4.78 3/16 4.82 700 4.82 700 13.80 2000 0.79 115 3.45 500 6.35 1/4 4.82 700 4.82 700 11.04 1600 0.79 115 2.76 400 7.92 5/16 4.82 700 4.82 700 11.04 1600 0.79 115 2.76 400 9.53 3/8 4.82 700 4.82 700 11.04 1600 0.79 115 2.76 400 11.13 7/16 4.82 700 4.82 700 — — 0.79 115 — — 12.70 1/2 4.82 700 4.82 700 11.04 1600 0.79 115 2.76 400 15.88 5/8 3.45 500 3.45 500 9.66 1400 0.59 85 2.42 350 19.05 3/4 3.45 500 3.45 500 8.27 1200 0.59 85 2.07 300 22.23 7/8 — — 3.45 500 — — 0.59 85 — — 25.40 1 3.45 500 3.45 500 — — 0.59 85 — — 28.58 1-1/8 — — 2.76 400 — — 0.45 65 — — 31.75 1-1/4 — — 2.76 400 — — 0.45 65 — — 34.93 1-3/8 — — 2.76 400 — — 0.45 65 — — 38.10 1-1/2 — — 2.76 400 — — 0.45 65 — — 41.28 1-5/8 — — 1.73 250 — — 0.28 40 — — 44.45 1-3/4 — — 1.73 250 — — 0.28 40 — — 50.80 2 — — 1.73 250 — — 0.28 40 — — SAE J30 Revised JUN1998 -5- Hose over 19.05 mm (3/4 in) ID shall have specimens 100 x 6.4 mm (4 x 0.25 in) tube and cover thickness. The thickness shall be 2.54 mm (0.10 in) maximum. Cut from the tube and cover if necessary. One set of samples shall be unaged. The other set of samples shall be completely immersed in ASTM Oil No. 3 for 70h at 100 °C ± 1 °C (212 °F ± 2 °F). The unaged and aged specimens shall then be subjected to a temperature of -40 °C ± 1 °C (-40 °F ± 2 °F) for a period of 5 h in an unrestrained loop position between two jaws 50 mm (2 in) wide and 63 mm (2-1/2 in) apart. At the end of 5 h and while still in the cold chamber, the jaws shall be rapidly brought together until they are 25.40 mm (1 in) apart. The specimen shall not fracture and shall not show any cracks, checks, or breaks. 3.5.5 TENSILE STRENGTH AND ELONGATION a. Original tensile strength of cover: 6.89 MPa (1000 psi) min b. Original tensile strength of tube: 8.27 MPa (1200 psi) min c. Original elongation of tube and cover: 200% min 3.5.6 DRY HEAT RESISTANCE—After oven aging for 70 h at a temperature of 100 °C ± 1 °C (212 °F ± 2 °F), the reductions in tensile strength and elongation of specimens taken from the tube and cover shall not exceed the following values: a. Original tensile strength: -20% b. Original elongation: -50% 3.5.7 FUEL RESISTANCE 3.5.7.1 After 48 h immersion at room temperature in ASTM Reference Fuel B, the reductions in tensile strength and elongation of specimens taken from the tube shall not exceed the following values: a. Original tensile strength: -30% b. Original elongation: -30% 3.5.7.2 In addition, the volume change of specimens taken from the tube shall not exceed the following values: a. Tube, volume change: -5 to +25% 3.5.8 OIL RESISTANCE 3.5.8.1 After 70 h immersion at a temperature of 100 °C ± 1 °C (212 °F ± 2 °F) in ASTM Oil No. 3, the reduction in tensile strength and elongation of specimens taken from the tube shall not exceed the following values: a. Original tensile strength: -40% b. Original elongation: -40% 3.5.8.2 In addition, the volume change of specimens taken from the tube and cover shall not exceed the following values: a. Tube, volume change: -5 to +25% b. Cover, volume change: 0 to +100% SAE J30 Revised JUN1998 -6- 3.5.9 OZONE RESISTANCE—Test procedure shall be in accordance with ASTM D 1149 where applicable. For hose 25.40 mm (1 in) ID and under, a specimen of hose of sufficient length shall be bent around a mandrel with an outside diameter equal to eight times the nominal OD of the sample. The two ends shall be tied at their crossing with enameled copper or aluminum wire. After mounting, the specimen shall be allowed to rest in an ozone-free atmosphere for 24 h at room temperature. The mounted specimens shall be placed in a test chamber with ozone concentration of 50 mPa at a temperature of 40 °C ± 1 °C (104 °F ± 2 °F). After 70 h of exposure, the specimen shall be removed and allowed to cool to room temperature and then be inspected visually under 7X magnification. It must meet a rating of "0" except for the area immediately adjacent to the wire, which shall be ignored. For hose over 25.40 mm (1 in) ID, prepare a specimen by cutting a strip of the whole hose 12.70 x 100 mm (1/2 wide by 4 in long) and tie to a specimen (cover out) around a 12.70 mm (1/2 in) diameter mandrel. Condition in the same manner as specified in the previous paragraphs for the whole hose and apply the same conditions and requirements. This test applies to the cover only and cracks in the exposed tube or cut edges of the cover shall be ignored. 3.5.10 ADHESION TEST 3.5.10.1 Types 1 and 3—The minimum load required to separate tube from reinforcing ply and cover from reinforcing ply shall be 27 N (6 lb). 3.5.10.2 Type 2—The minimum load required to separate tube from ply, cover from ply, and ply from ply shall be 53.4 N (12 lb). 3.5.11 PROOF TEST—Before shipment by the vendor, a suitable number of assemblies from each lot shall be proof tested at 50% of the minimum burst pressure specified in Table 2 for a period of not less than 30 s or more than 60 s, to ensure an acceptable quality level. 3.5.12 TENSILE TEST OF ASSEMBLY—The hose complete with fittings shall be dry-air aged at 100 °C ± 1 °C (212 °F ± 2 °F) for 70 h and then permitted to rest at room temperature for 2 h. The end fittings of the assembly shall be clamped in the jaws of a tension testing machine so that a straight pull may be applied. The jaws of the test machine shall separate at a rate not greater than 25.40 mm (1 in) min. The hose assembly shall withstand, after the aging test, a minimum pull of 444 N (100 lb) on sizes up to, and including, the 6.35 mm (1/4 in). All sizes over 6.35 mm (1/4 in) ID shall withstand a minimum pull of 667 N (150 lb). For inspection tests, unaged samples may be used. 3.5.13 LEAKAGE TEST 3.5.13.1 Types 1 and 2—Coupled hose shall show no leakage under a hydrostatic pressure of 70% of the minimum burst specified in Table 2, following an aging period of 70 h at 100 °C ± 1 °C (212 °F ± 2 °F) oven temperature. The pressure shall be held for a period of not less than 5 min or more than 7 min. 3.5.13.2 Type 3—Coupled hose shall show no leakage under a hydrostatic pressure of 50% of the minimum burst specified in Table 2, following an aging period of 70 h at 100 °C ± 1 °C (212 °F ± 2 °F) oven temperature. The pressure shall be held for a period of not less than 5 min or more than 7 min. 3.5.14 CORROSION TEST—The assembly shall be tested in accordance with ASTM B 117. The period shall be 48 h. There shall be no evidence of corrosion or other deterioration at the expiration of this test. 3.5.15 VISUAL INSPECTION—All assemblies shall be inspected to see that the correct fittings are properly applied. SAE J30 Revised JUN1998 -7- 4. Lightweight Braided Reinforced Lacquer, Cement, or Rubber Covered Hose (SAE 30R3) 4.1 Hose Construction—The construction of this hose embodies a smooth bore tube of suitable synthetic rubber material, reinforced with one braided ply of cotton or other suitable material and finished with a gasoline-, oil-, and water-resistant flexible coating of lacquer, cement, or synthetic rubber. 4.2 Dimensions—Dimensions and tolerances are shown in Table 3. 4.3 Retests and Rejection—Any hose or assembly that fails in one or more tests shall be resampled and retested. Twice the number of specimens shall be selected from the lot in question for any retests, and failure of any of the retested samples shall be cause for rejection. 4.4 Tests—Procedures described in ASTM D 380 shall be followed wherever applicable. 4.4.1 QUALIFICATION TESTS—For qualification tests, one 7.6 m (25 ft) length of bulk hose or 10 assemblies of each size to be qualified shall be furnished. In order to qualify under this specification, hose and hose assemblies must meet the requirements of the following tests: (a) change-in-length followed by (b) burst, (c) vacuum collapse, (d) cold flexibility, (e) tensile strength and elongation of tube, (f) dry heat resistance, (g) fuel resistance, (h) oil resistance, and (i) ozone resistance. In addition to the previous tests, hose assemblies shall be subjected to qualification tests as follows: (j) proof, (k) tensile test of assembly, (l) leakage, (m) corrosion, and (n) visual inspection. 4.4.2 FREQUENCY OF TESTING FOR INSPECTION—On uncoupled hose, tests shall be conducted on samples representing each lot of 152 to 3048 m (500 to 10 000 ft). Where a lot is 152 m (500 ft) or less, no tests shall be conducted, but materials and workmanship shall be t