AISI Type 347 Stainless Steel, annealed, tested at 925°C

Subcategory: Ferrous Metal; Heat Resisting; Metal; Stainless Steel; T 300 Series Stainless Steel

Close Analogs: AISI Type 348

Key Words: AFNOR Z 6 CNNb 18.10, UNI X 8 CrNiNb 18 11, JIS SUS 347, SS14 2338 (Sweden), UNS S34700, AMS 5512, AMS 5556, AMS 5558, AMS 5571, AMS 5575, AMS 5646, AMS 5654, AMS 5674, AMS 5680, AMS 5681, ASME SA182, ASME SA193, ASME SA194, austenitic, ASME SA213, ASME SA240, ASME SA249, ASME SA312, ASME SA320 (B8C), ASME SA358, ASME SA376, ASME SA403, ASME SA409, ASME SA430, ASME SA473, ASME SA479, ASME SA493, ASME SA511, ASME SA554, ASME SA580, ASME SA633, FED QQ-S-763, FED QQ-S-766, B.S. 347 S 17, B.S. En. 58 F, B.S. En. 58 G, B.S. ANC 3 Grade B, FED QQ-W-423, MIL SPEC MIL-S-862, MIL SPEC MIL-S-23196, SAE J405 (30347), DIN 1.4550, ISO 683/13 16

Component    Wt. % C Max 0.08   Cr 17   Fe 68

Component    Wt. % Mn Max 2   Nb + Ta 0.8   Ni 11

Component    Wt. % P Max 0.045   S Max 0.03   Si Max 1

Material Notes:
Niobium plus Tantalum is ten times the minimum carbon content

Physical Properties	Metric	English	Comments
Density	8 g/cc	0.289 lb/in³
Mechanical Properties
Tensile Strength, Ultimate	105 MPa	15200 psi
Tensile Strength, Yield	83 MPa	12000 psi	at 0.2% offset
Elongation at Break	45 %	45 %	in 50 mm
Modulus of Elasticity	195 GPa	28300 ksi
Poisson's Ratio	0.27	0.27
Charpy Impact	160 J	118 ft-lb
Izod Impact	120 - 160 J	88.5 - 118 ft-lb
Shear Modulus	77 GPa	11200 ksi
Electrical Properties
Electrical Resistivity	7.3e-005 ohm-cm	7.3e-005 ohm-cm	at 20°C
Magnetic Permeability	1.008	1.008	at RT
Thermal Properties
CTE, linear 20°C	17.3 µm/m-°C	9.61 µin/in-°F	from 0-100°C (32-212°F)
CTE, linear 250°C	17.8 µm/m-°C	9.89 µin/in-°F	at 0-260°C (32-500°F)
CTE, linear 500°C	18.4 µm/m-°C	10.2 µin/in-°F	at 0-540°C, 18.7 µm/m-C at 0-650°C
Specific Heat Capacity	0.5 J/g-°C	0.12 BTU/lb-°F	from 0-100°C (32-212°F)
Thermal Conductivity	16.3 W/m-K	113 BTU-in/hr-ft²-°F	at 100°C (212°F), 21.5 W/m-K at 500°C (930°F)
Melting Point	1400 - 1425 °C	2550 - 2600 °F
Solidus	1400 °C	2550 °F
Liquidus	1425 °C	2600 °F
Maximum Service Temperature, Air	870 °C	1600 °F	Intermittent Service
Maximum Service Temperature, Air	925 °C	1700 °F	Continuous Service

References for this datasheet.