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Bohler-Uddeholm BÖHLER S400(M7) High Speed Steel

Category	Metal , Ferrous Metal , Tool Steel
Manufacturer	Bohler-Uddeholm
Trade Name	BÖHLER
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Bohler-Uddeholm BÖHLER S400(M7) High Speed Steel.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Description: High alloyed molybdenum high speed steel with good resistance and high toughness.Applications: Taps, twist drills, reamers, milling tools, broaches tools, cold extrusion dies.Standards: DIN/EN 1.3348 HS2-9-2, AISI M7, UNS T11307, JIS SKH58

Physical Properties	Metric	English	Comments
Density	8.30 g/cc	0.300 lb/in³

Mechanical Properties	Metric	English	Comments
Modulus of Elasticity	217 GPa	31500 ksi

Thermal Properties	Metric	English
CTE, linear	11.0 µm/m-°C @Temperature 100 °C	6.11 µin/in-°F @Temperature 212 °F
	11.5 µm/m-°C @Temperature 200 °C	6.39 µin/in-°F @Temperature 392 °F
	11.9 µm/m-°C @Temperature 300 °C	6.61 µin/in-°F @Temperature 572 °F
	12.3 µm/m-°C @Temperature 400 °C	6.83 µin/in-°F @Temperature 752 °F
	12.4 µm/m-°C @Temperature 500 °C	6.89 µin/in-°F @Temperature 932 °F
	12.5 µm/m-°C @Temperature 600 °C	6.94 µin/in-°F @Temperature 1110 °F
	12.5 µm/m-°C @Temperature 700 °C	6.94 µin/in-°F @Temperature 1290 °F
Specific Heat Capacity	0.460 J/g-°C	0.110 BTU/lb-°F
Thermal Conductivity	19.0 W/m-K	132 BTU-in/hr-ft²-°F

Component Elements Properties	Metric	English	Comments
Carbon, C	1.02 %	1.02 %
Chromium, Cr	3.8 %	3.8 %
Iron, Fe	82.18 %	82.18 %	As remainder
Manganese, Mn	0.30 %	0.30 %
Molybdenum, Mo	8.6 %	8.6 %
Silicon, Si	0.40 %	0.40 %
Tungsten, W	1.8 %	1.8 %
Vanadium, V	1.9 %	1.9 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000650 ohm-cm	0.0000650 ohm-cm

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