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

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
70/60×600X
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 ℃www.bzxz.net
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
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