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Heat-resistant alloys
Alloy - 600 Alloy - 201 Alloy - 400
heat
Alloy - 600
Designations and specifications Sheet/strip Tube Pipe Rod/Bar
USA Designation, UNS N06600
ASTM(B)ASME(SB) 168 163/167/516/517 166
GB Designations, BS NA14 NA14 NA14
BS 3072/3073 3074 3076
F AFNOR NC 15 Fe
D Designations NiCr15Fe
Werkstoff-Nr 2.4816
DIN 17742/17750 17742/17751 17742/17752
Chemical composition(%)
Nickel min 72
Chromium 14.0∼17.0
Iron 6.0∼10.0
Silicon max 0.50
Aluminum max 0.30
Titanium max 0.30
Copper max 0.50
Carbon 0.05∼0.08
Mechanical properties(N/㎟, %)
Temperature(℃) Rp 0.2 Rp1.0 Rm A5
20 min 240 265 min 550 min 30
100 180 - 520 35
200 165 - 500 35
300 155 - 485 35
400 150 - 480 35
450 145 - 475 40
500 - - - -
Physical properties
Density g/㎤ 8.4
Thermal conductivity W/m k 14.8
Electrical resistivity μΩ cm 103
Thermal expansion(20-300℃) 10-6/K 14.4
Fabrication characteristics
Formability good
Weldability good
Material description, main characteristics
  • 니켈-크롬-철 합금으로 오늘날 공업적으로 700℃(1300℉) 이상의 열이 가해지는 爐 제작에 매우 중요시되는 표준 재료이다.
  • 이 합금은 질화물 분위기에 대해 아주 좋은 저항력을 갖으며, 600℃(1100℉) 이하의 온도에서 특히 침탄 및 할로겐 분위기에 대한 저항이 뛰어나다.
  • Typical applications
  • Titanium dioxide production(chloride route). Vinyl chloride monomer(VCM) synthesis.Perchlorethylene synthesis.
  • Nitriding furnace muffles and retorts.Aluminum fluoride and chloride and chloride production.MDI and TDI production.
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