347 Stainless steel have excellent resistance to intergranular corrosion with added Niobium/Columbium which acts as a stabiliser. HT PIPE provide stainless steel 347 bars, stainless steel round bars supplier in China. ss 347 round bar, S34700 stainless steel hollow bar, ss 347 flat bar, 1.4550 round bar, 347 stainless steel rod supplier, exporter.
347 Stainless steel round bar Chemical Composition
| % |
Cr |
Ni |
Cb+Ta |
C |
Si |
Mn |
P |
S |
Fe |
| Min |
17 |
9 |
Cb10xc |
0.04 |
- |
- |
- |
- |
- |
| Max |
19 |
13 |
1 |
0.08 |
0.75 |
2 |
0.045 |
0.03 |
Balance |
UNS S34700 Stainless steel bar Mechanical Properties
Typical Values at 68°F (20°C)
| Yield Strength |
Ultimate Tensile |
Elongation |
Hardness |
| 0.2% Offset |
Strength |
in 2 in. |
| psi (min.) |
(MPa) |
psi (min.) |
(MPa) |
% (min.) |
(max.) |
| 30,000 |
205 |
75,000 |
515 |
40 |
201 Brinell |
Stainless steel 347 Physical Properties
Density
0.288 lbs/in3
7.96 g/cm3
Specific Heat
0.12 BTU/lb-°F (32 – 212°F)
500 J/kg-°K (0 – 100°C)
Modulus of Elasticity
28.0 x 106 psi
193 GPa
Thermal Conductivity 200°F (100°C)
133 BTU/hr/ft2/ft/°F
16.3 W/m-°K
Melting Range
2550 – 2635°F
1398 – 1446°C
Electrical Resistivity
72 Microhm-cm at 20°F
| ASTM A479/ASME SA479 |
Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| Austenitic |
UNS N08367 |
UNS S20161 |
UNS S20910 |
UNS S21600 |
UNS S21603 |
| UNS S30600 |
UNS S30815 |
UNS S30908 |
UNS S30909 |
UNS S30940 |
| UNS S31640 |
UNS S31651 |
UNS S31653 |
UNS S31700 |
UNS S31725 |
| UNS S34709 |
UNS S34800 |
UNS S34809 |
UNS S35315 |
UNS S38815 |
| UNS S32304 |
UNS S32506 |
UNS S32550 |
UNS S32750 |
UNS S32760 |
| UNS S21800 |
UNS S21904 |
UNS S24000 |
UNS S30200 |
UNS S30400 |
| UNS S30880 |
UNS S31008 |
UNS S31009 |
UNS S31040 |
UNS S31254 |
| UNS S31726 |
UNS S32050 |
UNS S32100 |
UNS S32109 |
UNS S32615 |
| UNS S32900 |
UNS S32906 |
UNS S32950 |
UNS S30403 |
UNS S30409 |
| UNS S31600 |
UNS S31603 |
UNS S31609 |
UNS S31635 |
UNS S30451 |
| UNS S30453 |
UNS S32654 |
UNS S33228 |
UNS S34565 |
UNS S34700 |
| Austenitic-Ferritic |
UNS S31803 |
UNS S32101 |
UNS S32205 |
UNS S32550 |
UNS S32750 |
| UNS S32760 |
UNS S32906 |
UNS S32950 |
UNS S39277 |
|
| Ferritic |
UNS S40500 |
UNS S43000 |
UNS S43035 |
UNS S44400 |
UNS S44627 |
| UNS S44700 |
UNS S44800 |
|
|
|
| Martensitic |
UNS S40300 |
UNS S41000 |
UNS S41040 |
UNS S41400 |
UNS S41425 |
| UNS S41500 |
UNS S43100 |
|
|
|
| Size |
5~500mm |
| Length |
As per clients' requirements. |
| Surface |
Bright or Black |
| Application |
Foodstuff, gas, metallurgy, biology, electron, chemical, petroleum, boilers, nuclear, energy, construction field, ships building industry, war and electricity industry, boiler heat exchanger, machiner and hardware fields and medical equipment, fertilizer, etc. |
| Packing |
Standard export sea-worthy packing |
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