The PTCRS - Heating - China Sourcing

  
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Material: Cr20Ni80, Cr15Ni60, GH140, Cr20Ni35
Specification: phi 0.03 mm ~ phi 8.0 mm
USES: nickel chrome materials because of its high temperature strength, high plasticity.
Widely used in industrial furnace, household appliances, infrared device

材质:Cr20Ni80,Cr15Ni60,GH140,Cr20Ni35
规格:φ0.03mm~φ8.0mm
用途:镍铬材料因其高温强度高,可塑性强。
广泛用于工业电炉、家用电器、远红外装置。

The PTCRS main technical performances
牌号 Cr20Ni80 Cr30Ni70 Cr15Ni60 Cr20Ni35 Cr20Ni30
性能
主要化学成分% Ni 余量 余量 55.0~61.0 34.0~37.0 30.0~34.0
Cr 20.0~23.0 28.0~31.0 15.0~18.0
18.0~21.0 18.0~21.0
Fe ≤1.0
≤1.0
余量 余量 余量
元件最高使用温度℃
1200 1250 1150 1100 1100
熔点℃
1400 1380 1390 1390 1390
密度g/cm3
8.40 8.10 8.20 7.90 7.90
电阻率μΩ·m,20℃
1.09±0.05
1.18±0.05
1.11±0.05
1.04±0.05
1.04±0.05
延伸率%
≥20
≥20
≥20
≥20
≥20
比热J/g.℃
0.440
0.461
0.494
0.500
0.500
导热系数KJ/m.h℃
60.3 45.2 45.2 43.8 43.8
线胀系数a×10-6/℃(20~1000℃)
18.0 17.0 17.0 19.0 19.0
显微组织
奥氏体 奥氏体 奥氏体 奥氏体 奥氏体
磁性 非磁性 非磁性 非磁性 非磁性 非磁性

The PTCRS design parameters
Line diameter
(mm)
Cross-sectional area
(mm2)
Every meters
Surface area
cm2/m
Cr20Ni80 Cr30Ni70 Cr15Ni60
Every meters weight
kg/m
Every meters resistance
Ω/m,20℃
Every meters weight
kg/m
Every meters resistance
Ω/m,20℃
Every meters weight
kg/m
Every meters resistance
Ω/m,20℃
0.10
0.007854 3.142 0.00006597 138.8 0.00006362 150.2
0.00006440 142.6
0.12 0.01131 3.770 0.00009500 96.38 0.00009161
104.3
0.00009274
99.03
0.15 0.01767 4.712 0.0001484 61.68 0.0001431
66.77
0.0001449
63.38
0.17 0.02270 5.341 0.0001907 48.02 0.0001839
51.99
0.0001861
49.34
0.19 0.02835 5.969 0.0002382 38.44 0.0002297
41.62
0.0002325
39.50
0.21 0.03464 6.597 0.0002909 31.47 0.0002806
34.07
0.0002840
32.34
0.25 0.04909 7.854 0.0004123 22.21 0.0003976
24.04
0.0004025
22.82
0.27 0.05726 8.482 0.0004809 19.04 0.0004638
20.61
0.0004695
19.56
0.29 0.06605 9.111 0.0005548 16.50 0.0005350
17.86
0.0005416
16.96
0.31 0.07548 9.739 0.0006340 14.44 0.0006114
15.63
0.0006189
14.84
0.35 0.09621 11.00 0.0008082 11.33 0.0007793
12.26
0.0007889
11.64
0.40 0.1257 12.57 0.001056 8.674 0.001018
9.390
0.001030
8.913
0.45 0.1590 14.14 0.001339 6.835 0.001288
7.419
0.001304
7.042
0.50 0.1963 15.71 0.001469 5.551 0.001590
6.010
0.001610
5.704
0.60 0.2827 18.85 0.002375 3.855 0.002290
4.173
0.002318
3.961
0.70 0.3848 21.99 0.003233 2.832 0.003117
3.066
0.003156
2.910
0.80 0.5027 25.13 0.004222 2.168 0.004072
2.348
0.004122
2.228
0.90 0.6362 28.27 0.005344 1.713 0.005153
1.855
0.005217
1.761
1.00 0.7854 31.42 0.006597 1.388 0.006362
1.502
0.006440
1.426
1.20 1.131 37.70 0.009500 0.9638 0.009161
1.043
0.009274
0.9903
1.40 1.539 43.98 0.01293 0.7081 0.01247
0.7665
0.01262
0.7276
1.60 2.011 50.27 0.01689 0.5421 0.01629
0.5869
0.01649
0.5570
1.80 2.545 56.55 0.02138 0.4283 0.02061
0.4637
0.02087
0.4401
2.00 3.142 62.83 0.02639 0.3470 0.02545
0.3756
0.02576
0.3565
2.20 3.801 69.12 0.03139 0.2867 0.03079
0.3104
0.03117
0.2946
2.50 3.976 70.69 0.03340 0.2741 0.03221
0.2968
0.03260
0.2817
2.80 6.158 87.96 0.05172 0.1770 0.04988 0.1916
0.05049
0.1819
3.00 7.069 94.25 0.05938 0.1542 0.05726
0.1669
0.05796
0.1584
3.50 9.621 110.0 0.08082 0.1133 0.07793
0.1226 0.07889 0.1164
4.00 12.57 125.7 0.1056 0.08674 0.1018
0.09390
0.1030
0.08913
4.50 15.90 141.4 0.1336 0.06853 0.1288
0.07419
0.1304
0.07042
5.00 19.63 157.1 0.1649 0.05551 0.1590
0.06010
0.1610
0.05704
5.50 23.76 172.8 0.1996 0.04588 0.1924
0.04967
0.1948
0.04714
6.00 28.27 188.5 0.2375 0.03855 0.2290
0.04173
0.2318
0.03961
6.50 33.18 204.2 0.2787 0.03285 0.2688
0.03556
0.2721
0.03375
7.00 38.48 219.9 0.3233 0.02832 0.3117 0.03066 0.3156 0.02910

The product specification
Cold pull alloy 冷拉合金线材 Diameter φ1.0-φ10.0mm
Hot-rolled alloy plate yuan 热轧合金盘元 Diameter φ8.0-φ12.0mm
Cold-rolled alloy strips 冷轧合金带材 Thickness 0.5-3.5mm
 

Width

5.0-45.0mm
Hot-rolled alloy strips 热轧合金带材 Thickness 3.0-6.0mm
 

Width

12.0-45.0mm
Axis light filaments 绕轴光亮细丝 Diameter φ0.1-φ1.0mm
Axis light flat silk 绕轴光亮扁丝 Thickness 0.08-1.50mm
 

Width

0.5-5.0mm

Delivery status
1 and supply state
Wire and plate with the looseness or $oxidation colour soft modal supply.
Strip except special requirements outside, general with after annealing oxidation colour supply.
The flat silk thread and protecting gas to light after annealing soft modal supply.
2, product packaging
Wire or strips to pack cloth bandaged volumes supply.
Thread and flat silk, axis encapsulate supply.
3, export products and users have special requirement, negotiation.
note
1, DianLuSi when the design should be based on the power wiring method, reasonable surface load, the correct choice of silk diameter,
2, DianLuSi before installation coping furnace thorough examination, cleared ferritic, "carbon, and the electric stove contact risks to avoid short circuit, in case caused furnace silk breakdown,
3, DianLuSi when installation should press design wiring method properly connected;
4, in use before DianLuSi should check the sensitivity of the temperature control system, in case of failure, cause temperature DianLuSi burnt.

交货状态
1、供货状态
线材和盘元以白亮或者氧化色软态供应。
带材除特殊要求外,一般以退火后的氧化色供应。
细丝和扁丝经保护气体退火后,以光亮软态供应。
2、产品包装
线材和带材以打包布包扎,成卷供应。
细丝和扁丝,绕轴塑封供应。
3、出口产品及用户有特殊要求者,协商解决。
注意事项
1、电炉丝在设计时应根据功率接线方法,合理的表面负荷,正确选用丝径;
2、电炉丝在安装前应对炉膛全面检查,清除铁素体,结碳,与电炉上接触的隐患,避免短路,以防造成炉丝击穿;
3、电炉丝在安装时应按设计的接线方法正确连接;
4、在使用电炉丝前应检查控温系统的灵敏度,以防温失灵,造成电炉丝烧毁。

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