JB/T 10044-1999 This standard is a revision of ZB J43 007-89 "Silicon Carbon Tube". During the revision, only editorial changes were made according to relevant regulations, and the main technical content remained unchanged. This standard specifies the code, shape, specification, technical requirements and inspection methods of silicon carbon tube products. This standard is applicable to silicon carbon tube electric heating parts made of silicon carbide as raw material and with a maximum operating temperature of 1400℃. This standard was first issued on the date of year. JB/T 10044-1999 Silicon Carbon Tube JB/T10044-1999 Standard download decompression password: www.bzxz.net
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JB/T10044--1999 This standard is a revision of ZBJ43 007--89 "Silicon Carbon Tube". This standard is consistent with the technical content of ZBJ43007-89, and has only been re-edited according to relevant regulations. This standard replaces ZBJ43007-89 from the date of implementation. Appendix A of this standard is the appendix of the standard. This standard is proposed and managed by the National Technical Committee for Standardization of Abrasives and Grinding Tools. The drafting unit of this standard: Shandong Shengjian 83 Factory. The main drafter of this standard: Hu Xicheng. This standard was first issued in March 1989. Mechanical Industry Standard of the People's Republic of China This standard specifies the code, shape, specification, technical requirements and inspection methods of silicon carbon tube products. JB/T10044-1999 ZB J43 007--89 This standard applies to silicon carbon tube electric heating elements made of silicon carbide with a maximum operating temperature of 1400℃. Cited Standards The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest version of the following standards. GB191-1990 Pictorial symbols for packaging, storage and transportation 3 Product classification 3.1 Code The code of silicon carbon tube is as follows: a) Single thread type for connection at both ends Single thread Silicon carbide b) Double thread type for connection at one end Double thread Silicon carbide c) Thickened non-thread type for connection at both ends Non-thread Silicon carbide Approved by the National Machinery Industry Bureau on May 20, 1999 Implementation on January 1, 2000 3.2 Shape The shape of silicon carbon tube is as follows: a) Single thread type for connection at both ends See Figure 1:|| tt||JB/T10044—1999 -Aluminum spray length; D-—Outer diameter; d--Inner diameter L-Full length heating part length, m--Cold end length; n-Figure 1 b)-Terminal wiring double thread type see Figure 2: L-Full length; l-Heating part length; ml, m2Cold end length; nAluminum spray length, D--Outer diameter; d-Inner diameter Figure 2 c) Both ends of the wiring are thickened and threadless, see Figure 3: LFull length; l-Heating part length: mCold end length; nAluminum spray length: Dr-Heating part outer diameter, Dz-Cold end outer diameter; d-Inner diameter Figure 3 3.3 Specifications 3.3.1 Specifications and dimensions are shown in Appendix A (Appendix to the standard). 3.3.2 Specifications Single threaded type for both ends: D/d×I.Xm; Double threaded type for one end: D/dXLX Non-threaded type for both ends: D,/D,/dXLXm. 346. 4 Technical requirements 4.1 External diameter JB/T 10044-1999 The surface of the circular part shall not have cracks, the gap between the spiral belt shall not have grain adhesion, and the surface of the aluminum spray section shall be flat, uniform and firmly bonded. 4.2 Dimensional deviation shall comply with the provisions of Table 1. Inner diameter d Heating part length Total length Curvature, % 4.3 High temperature resistance provisions are shown in Appendix A. 4.4 The nominal resistance value deviation is ±0.30. The temperature difference of the heating part shall comply with the provisions of Table 2. D≥70 Test method 5.1 Inspection of inner diameter deviation 5.1.1 Measuring instrument L≥500 Vernier caliper, graduation value 0.02mm. 5.1.2 Inspection method 30~~70 All specifications Use a vernier caliper to measure the difference between the maximum and minimum inner diameters of the same section of the silicon carbon tube. 5.2 Inspection of wall thickness deviation 5.2.1 Measuring instrument: Same as 5.1.1. 5.2.2 Inspection method Use a vernier caliper to measure the difference between the maximum and minimum wall thickness of the same section of the silicon carbon tube. 5.3 Inspection of heating part length deviation and total length deviation 5.3.1 Measuring instrument Steel ruler, graduation value 0.5mm. 5.3.2 Inspection method Use a steel ruler to measure the deviation of heating part length and total length respectively. 5.4 Inspection of curvature 5.4.1 Measuring instrument a) Platform; b) Nylon sewing thread; c) Steel ruler, graduation value 0.5mm. Limit deviation Temperature difference, C 5.4.2 Test method JB/T 10044—1999 Place the silicon carbon tube on the platform parallel to the plane where the maximum bending line is located, so that the nylon sewing thread and the two ends of the concave surface of the silicon carbon tube are pulled into a straight line, and the maximum distance H between the straight line and the bending part of the silicon carbon tube and the total length of the tube L are measured, and the curvature is calculated according to formula (1): d Wherein: 8—curvature; ×100% H—maximum distance between the straight line and the bending part of the silicon carbon tube, mm; L—total length of the tube, mm. 5.5 Inspection of nominal resistance deviation 5.5.1 Main measuring instruments a) Voltmeter, 0.5 level; b) Amperemeter, 0.5 level; c) Current transformer, 0.5 level, d) Optical pyrometer, 1.0 level. 5.5.2 Inspection method Power on in room air at normal temperature, make the surface temperature reach 1000℃±50℃, then measure the resistance value. 5.6 Inspection of temperature difference of heating part 5.6.1 Main measuring instruments Same as 5.5.1. 5.6.2 Inspection method Power on in room air at normal temperature, make the surface temperature reach 1000℃±50℃, then measure the temperature of the highest and lowest points in the area extending 25% from the center of the heating part to both sides. 6 Inspection rules Before the product is released for sale, each product shall be inspected in accordance with the provisions of Chapter 4 and Chapter 5. 7 Marking, packaging, transportation, storage 7.1 Each silicon carbon tube shall be clearly marked with the trademark and resistance value. 7.2 Double-threaded silicon carbon tubes shall be equipped with conductive chucks. 7.3 When packaging silicon carbon tubes, they shall be filled with soft and lightning-proof materials. The outer surface of the package shall be marked with the name, code, specification, resistance range, quantity, factory name, year and month of production, inspector code and the words "fragile" and "moisture-proof". The marking shall comply with the provisions of GB191. 7.4 A certificate of conformity shall be attached to the package. 7.5 Handle with care during transportation to prevent collision. 7.6. The product should be stored in a dry, ventilated and shockproof environment. 348 D/dxixm 40/30×200×100 40/30X 300X100 40/30×400×100 50/40×200X100 50/40 ×400×100 50/40×500X100 60/50×200×100 60/50×300X100 60/50×400X100 60/50×500×100 60/50× 600 × 100 | | tt | | 70/60 × 300 80/70X 300X100 80/70× 400×100 80/70X 500X100 80/70×600×100 80/70 X700X100 80/70X800X100 80/70X900X100 90/80×400×100 90/80X500X100 90/80X600X100 90/80×700×100 JB/T 10044-1999 Appendix A (Standard Appendix) Specifications and resistance ranges of silicon carbon tubes Single threaded type for both ends At 1000 C±50C Resistance range, 4.5~7.5 4. 0~7. 0 5. 0~8. 0 5. 5~ 8. 5 4. 0~7. 0 D/dxIXm 90/80 |tt||100/90× 400×100 100/90× 500×100 100/90X600×100 100/90× 700×100 100/90X800X100 100/90X 900X100 100/90×1 000 × 100 | | tt | | 120/110 × 860 × 160 | | tt | 0× 50/40X400X 50/40×500×160 60/50X200X 60/50×300X 60/50X500X 60/50× 600×1 70/60× 300× 70/60X 400X 70/60×500X 70/60×600X JB/T 10044-1999 Table A1 (end) Termination double thread type At 1000C±50℃ Resistance range, 6.0~~9.0 6.5~9.5 6. 0~ 9. 0 6.5~~9.5 7. 0~~10. 0 4. 0~7. 0 1000℃±50℃ Resistance range.0 7.0~~10. 0 6. 0~~9. 0 7. 0~~10. 0 5. 0~~8. 5 7. 0~ 10. 0 6. 5 ~~ 9. 5 D/dxixm, 70/60X700X 80/70X 300 X 80/70×80×160 90/80X170X 90/80x300X 90/80 0/80×800×160 100/90×300× 100/90X400X 100/90X500X. 100/90×600X 100/90×700×| | tt | tt||60/50/40×400×100 70/60/50X 300X100 JB/T10044-1999 Table A2 (end) Both ends thickened and threadless At 1 000℃±50℃ Resistance range.0 7. 0~10. 0 4. 5 ~~ 7. 5 6. 5-- 9. 5 7. 0-~10. 0 3. 0~~6. 0 5. 5 ~8. 5 6. 0~-9. 0 7. 0~10. 0 5. 0~8. 0 5. 5~8. 0 7 0. 2 0. 5 D2/Di/dx1Xm 70/60/50×400×100 70/60/50X 500X100 80/70/60X300X100 80/70/60×400×100 80/70/60×500×100 JB/T 100441999 Table A3 (end) At 1 000 C±50 ℃ Resistance range 7, 0. 3~0. 6 0. 4 ~~0. 70 D/dxIXm 90/80 100 100/90× 500×100 100/90X600×100 100/90× 700×100 100/90X800X100 100/ 90X 900X100 100/90×1 000×100 120/110×860×160 D/dxixm 40/30X200X 40/30×300×160 40/ 30X400X 50/40X200X 50/40X300× 50/40X400X 50/40×500×160 60/50X200X||tt| |60/50×300X 60/50X400X 60/50X500X 60/50× 600×1 70/60× 300× 70/60X 400X 70/60×500X 70/60×600X JB/ T 10044-1999 Table A1 (end) Termination double thread type At 1000C±50℃ Resistance range, 6.0~~ 9.0 6.5~9.5 6. 0~ 9. 0 6.5~~9.5 7. 0~~10. 0 4. 0~7. 0 1000℃±50℃ Resistance range.0 7.0~~10. 0 6. 0~~9. 0 7. 0~~10. 0 5. 0~~8. 5 7. 0~ 10. 0 6. 5 ~~ 9. 5||tt| |D/dxixm, 70/60X700X 80/70X 300 /70X700 X 80/70 × 80 × 160 ||tt ||90/80 90/80X600X 90/80×700× 90/80×800×160 100/90×300× 100/90X400X 100/90X500X. 100/90×600X 100/90×700×| |tt||120/110×175X Dg/Di/dXiXm 50/40/30X200×100 50/40/30×300×100 60/50/40×200×100 60/50/40×300×100 60/50/40×400×100 70/60/50X 300X100 JB/T10044-1999 Table A2 (end) Both ends of the wiring are thick and threadless At 1 000℃±50℃||tt| |Resistance range.0 7. 0~10. 0 4. 5 ~~ 7. 5 6. 5-- 9. 5 7 . 0-~10. 0 3. 0~~6. 0 5. 5 ~8. 5 6. 0~-9. 0 7. 0~10. 0 5. 0~8. 0 5. 5~8. 5 3. 0~~ 6. 0 1 000 C±50 C resistance range, 0 0. 2- 0. 5||tt ||0. 3~0. 6 0. 2 ~~0. 5 0. 3~0. 6 0. 4 ~~ 0. 7||tt ||0. 2 0. 5 D2/Di/dx1Xm 70/60/50×400×100 70/60/50X 500X100 80/70/60X300X100 80/70/60×400×100 80/70/60×500×100 JB/T 100441999|| tt||Table A3 (end) At 1 000 C±50 ℃ Resistance range 7, 0. 3~0. 6 0. 4 ~ ~0.70 D/dxIXm 90/80 100 100/90× 500×100 100/90X600×100 100/90× 700×100 100/90X800X100 100/ 90X 900X100 100/90×1 000×100 120/110×860×160 D/dxixm 40/30X200X 40/30×300×160 40/ 30X400X 50/40X200X 50/40X300× 50/40X400X 50/40×500×160 60/50X200X||tt| |60/50×300X 60/50X400X 60/50X500X 60/50× 600×1 70/60× 300× 70/60X 400X 70/60×500X 70/60×600XWww.bzxZ.net JB/ T 10044-1999 Table A1 (end) Termination double thread type At 1000C±50℃ Resistance range, 6.0~~ 9.0 6.5~9.5 6. 0~ 9. 0 6.5~~9.5 7. 0~~10. 0 4. 0~7. 0 1000℃±50℃ Resistance range.0 7.0~~10. 0 6. 0~~9. 0 7. 0~~10. 0 5. 0~~8. 5 7. 0~ 10. 0 6. 5 ~~ 9. 5||tt| |D/dxixm, 70/60X700X 80/70X 300 /70X700 X 80/70 × 80 × 160 ||tt ||90/80 90/80X600X 90/80×700× 90/80×800×160 100/90×300× 100/90X400X 100/90X500X. 100/90×600X 100/90×700×| |tt||120/110×175X Dg/Di/dXiXm 50/40/30X200×100 50/40/30×300×100 60/50/40×200×100 60/50/40×300×100 60/50/40×400×100 70/60/50X 300X100 JB/T10044-1999 Table A2 (end) Both ends of the wiring are thick and threadless At 1 000℃±50℃||tt| |Resistance range.0 7. 0~10. 0 4. 5 ~~ 7. 5 6. 5-- 9. 5 7 . 0-~10. 0 3. 0~~6. 0 5. 5 ~8. 5 6. 0~-9. 0 7. 0~10. 0 5. 0~8. 0 5. 5~8. 5 3. 0~~ 6. 0 1 000 C±50 C resistance range, 0 0. 2- 0. 5||tt ||0. 3~0. 6 0. 2 ~~0. 5 0. 3~0. 6 0. 4 ~~ 0. 7||tt ||0. 2 0. 5 D2/Di/dx1Xm 70/60/50×400×100 70/60/50X 500X100 80/70/60X300X100 80/70/60×400×100 80/70/60×500×100 JB/T 100441999|| tt||Table A3 (end) At 1 000 C±50 ℃ Resistance range 7, 0. 3~0. 6 0. 4 ~ ~0.7 100/90×600X 100/90×700× 120/110×175X Dg/Di/dXiXm 50/40/ 30X200×100 50/40/30×300×100 60/50/40×200×100 60/50/40×300×100 60/50/40×400×100 70/60/50X 300X100 JB/T10044-1999 Table A2 (end) Both ends of the wiring are thick and threadless At 1 000℃±50℃||tt| |Resistance range.0 7. 0~10. 0 4. 5 ~~ 7. 5 6. 5-- 9. 5 7 . 0-~10. 0 3. 0~~6. 0 5. 5 ~8. 5 6. 0~-9. 0 7. 0~10. 0 5. 0~8. 0 5. 5~8. 5 3. 0~~ 6. 0 1 000 C±50 C resistance range, 0 0. 2- 0. 5||tt ||0. 3~0. 6 0. 2 ~~0. 5 0. 3~0. 6 0. 4 ~~ 0. 7||tt ||0. 2 0. 5 D2/Di/dx1Xm 70/60/50×400×100 70/60/50X 500X100 80/70/60X300X100 80/70/60×400×100 80/70/60×500×100 JB/T 100441999|| tt||Table A3 (end) At 1 000 C±50 ℃ Resistance range 7, 0. 3~0. 6 0. 4 ~ ~0.7 100/90×600X 100/90×700× 120/110×175X Dg/Di/dXiXm 50/40/ 30X200×100 50/40/30×300×100 60/50/40×200×100 60/50/40×300×100 60/50/40×400×100 70/60/50X 300X100 JB/T10044-1999 Table A2 (end) Both ends of the wiring are thick and threadless At 1 000℃±50℃||tt| |Resistance range.0 7. 0~10. 0 4. 5 ~~ 7. 5 6. 5-- 9. 5 7 . 0-~10. 0 3. 0~~6. 0 5. 5 ~8. 5 6. 0~-9. 0 7. 0~10. 0 5. 0~8. 0 5. 5~8. 5 3. 0~~ 6. 0 1 000 C±50 C resistance range, 0 0. 2- 0. 5||tt ||0. 3~0. 6 0. 2 ~~0. 5 0. 3~0. 6 0. 4 ~~ 0. 7||tt ||0. 2 0. 5 D2/Di/dx1Xm 70/60/50×400×100 70/60/50X 500X100 80/70/60X300X100 80/70/60×400×100 80/70/60×500×100 JB/T 100441999|| tt||Table A3 (end) At 1 000 C±50 ℃ Resistance range 7, 0. 3~0. 6 0. 4 ~ ~0.7 Tip: This standard content only shows part of the intercepted content of the complete standard. 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