Stainless Steel 347

Do you need custom fasteners created with Stainless Steel 347? Since our inception, Vegas Fastener Group has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Stainless Steel 347 Bar Stock we have available to meet your needs.

AISI Type 347 Stainless Steel, annealed, bar

Subcategory: 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
Mn	Max 2
Nb + Ta	0.8
Ni	11
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

Hardness, Brinell

160

Hardness, Knoop

180

Converted from Brinell hardness.

Hardness, Rockwell B

Converted from Brinell hardness.

Hardness, Vickers

167

Converted from Brinell hardness.

Tensile Strength, Ultimate

620 MPa

89900 psi

Tensile Strength, Yield

240 MPa

34800 psi

at 0.2% offset

Elongation at Break

50 %

in 50 mm

Modulus of Elasticity

195 GPa

28300 ksi

Poisson’s Ratio

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

at 20°C

Magnetic Permeability

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

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 are available for this material.

AISI Type 347 Stainless Steel, annealed, bar

Other Stainless Steels

Find by Material Classifications

Get Started