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DIN Boiler Tubes 1

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Shmulik

Mechanical
Nov 19, 2001
295
May someone direct me to a source which let me have the both mechanical and chemical properties of Boiler Tubes according to ST 35.8 Grade I and ST 35.8 Grade III : DIN 2448, DIN 17175
Thanks !
 
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DIN 17175 St 35.8

Pipe diameters < 63.5mm OD
Quality grade 1 Temp < 450°C Pressure < 80 bar
Quality grade 3 Temp > 450°C Pressure > 80 bar

Pipe diameters > 63.5mm OD
Quality grade 1 Temp < 450°C Pressure < 32 bar
Quality grade 3 Temp > 450°C Pressure > 32 bar

ST35.8 Number 1.0305 Yield 235 to 215N/mm2 depending on thickness. UTS 360 to 480N/mm2

0.2% yield at 200°C 175-185N/mm2/ 300°C 130-140 / 450°C Max 105N/mm2

 
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