420 Stainless Steel, soft bright tempered

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420 Stainless Steel, soft bright tempered
Categories:	Metal; Ferrous Metal; Heat Resisting; Stainless Steel; T 400 Series Stainless Steel
Material Notes:	wire > 3.18 mm diameter gage length is 4 times diameter, wire < 3.18 mm gage length is 254 mm
Key Words:	UNS S42000, AMS 5506, AMS 5621, ASTM A276, ASTM A314, ASTM A473, ASTM A580, FED QQ-S-763, FED QQ-S-766, FED QQ-W-423, MIL SPEC MIL-S-862, SAE J405 (51420), B.S. 420 S 37, B.S. CDS-18 (U.K), martensitic, DIN 1.4021, AFNOR Z 20 C 13 (Fr), UNI X 20 Cr 13, JIS SUS 420 J1, SS14 2303 (Sweden), ISO 683/13 4
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Physical Properties	Original Value	Comments

Density	7.80 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Rockwell B	97
Tensile Strength, Ultimate	760 MPa
Tensile Strength, Yield	585 MPa @Strain 0.2 %
Elongation at Break	15 %	in 50 mm
Modulus of Elasticity	200 GPa
Poissons Ratio	0.24	Calculated
Shear Modulus	80.7 GPa
Charpy Impact	14.0 J @Temperature 23.0 °C
	100 J @Temperature 23.0 °C

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000550 ohm-cm @Temperature 20.0 °C

Thermal Properties	Original Value	Comments
CTE, linear	10.3 µm/m-°C @Temperature 0.000 - 100 °C
	10.8 µm/m-°C @Temperature 0.000 - 315 °C
	11.7 µm/m-°C @Temperature 0.000 - 540 °C
	12.2 µm/m-°C @Temperature 0.000 - 650 °C
Specific Heat Capacity	0.460 J/g-°C @Temperature 0.000 - 100 °C
Thermal Conductivity	24.9 W/m-K @Temperature 100 °C
Melting Point	1455 - 1510 °C
Solidus	1455 °C
Liquidus	1510 °C
Maximum Service Temperature, Air	620 °C	Continuous Service
	735 °C	Intermittent

Component Elements Properties	Original Value	Comments
Carbon, C	>= 0.15 %
Chromium, Cr	13 %
Iron, Fe	85 %
Manganese, Mn	<= 1.0 %
Phosphorus, P	<= 0.040 %
Silicon, Si	<= 1.0 %
Sulfur, S	<= 0.030 %

References for this datasheet.

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MQ420L / 13074

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