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Help Center1.4541/ 321 Stainless Steel Hex Head Bolt
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1.4541 321 stainless steel m36 hex head bolt
UNS S32100
ASTM A 240, A 479, A 276
General information:
321 Stainless Steel Overview
Stainless 321 is a heat resistant, titanium stabilized, austenitic alloy that's commonly used for service in the 1000°-1600°F temperature range. 321 stainless is primarily used in applications that involve continuous and intermittent service temperatures within the carbide precipitation range of 800°-1500°F. Type 321 is similar to type 304 stainless but with a titanium addition of at least five times the carbon content. This titanium addition reduces or prevents carbide precipitation during welding and in the 800°-1500°F service conditions. In order to provide optimum resistance to intergranular corrosion and to polythionic acid stress corrosion cracking in service temperatures at 1500°-1650°F an air cool may be used.
What are the characteristics of 321 Stainless?
- Oxidation resistant to 1600°F
- Stabilized against weld heat affected zone (HAZ) intergranular corrosion
- Resists polythionic acid stress corrosion cracking
Stainless 321 Chemical Composition, %
Cr |
Ni |
Mo |
Cu |
Ti |
C |
|
|---|---|---|---|---|---|---|
MIN |
17.0 |
9.0 |
- |
- |
5x(C+N) |
- |
MAX |
19.0 |
12.0 |
0.75 |
0.75 |
0.70 |
0.08 |
Mn |
Si |
P |
S |
N |
Fe |
|
MIN |
- |
0.25 |
- |
- |
- |
- |
MAX |
2.0 |
1.0 |
0.04 |
0.03 |
0.1 |
Bal |
What applications might 321 Stainless Steel be used?
- Aircraft piston engine manifolds and exhaust stacks
- Expansion joints
- Thermal oxidizers
- Refinery equipment
- High temperature chemical process equipment
Welding Stainless Steel 321
321 Stainless is readily welded by all common methods including submerged arc. Appropriate weld fillers are most often specified as AWS E/ER 347 or E/ER 321.
This alloy is generally considered to have comparable weldability to 304 and 304L stainless with the main difference being the titanium addition which reduces or prevents carbide precipitation during welding.
our factory pictures:
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ss 309s thread rod and washer stainless steel studs
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Other proucts and some non standard products manufacture as drawing:
For More details ,pls kindly Contact Sandy Hou ! I am here waiting for your any questions !
Nanjing Xidiou Stainless Steel Co.,Ltd.
/
/
Tel:0086-25-5230 0650
Fax:0086-25-5230 0650
skype:hy.sunshine
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