Stainless Steel Bolt and Nut for Heat Exchanger TubeSheet Application
Brand Name:YUHONG
Certification:ASME II, ASME III, ABS, LR, DNV, GL , BV, CCS, KR, NK, TUV, PED, GOST, ISO , TS
Model Number:According to drawing
Minimum Order Quantity:1 pc
Delivery Time:Depends on quantity
Payment Terms:L/C, T/T
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Ningbo Zhejiang China
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20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
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Stainless Steel Bolt and Nut for Heat Exchanger TubeSheet
Application
Stainless steel nuts are fasteners commonly used in various applications where resistance to corrosion and wear is important. They are typically used with bolts or screws to secure components together. Here’s some basic information about stainless steel nuts:
Types of Stainless Steel Nuts:
- Hex Nuts: The most common type, featuring a hexagonal shape for
use with a wrench.
- Slotted Hex Nuts: Similar to hex nuts but have slots that allow
for safety wire installation to prevent loosening.
- Lock Nuts: These include nylon-insert lock nuts and prevailing
torque lock nuts, which resist loosening due to vibration or other
forces.
- Flange Nuts: Have a wide flange at one end that acts as an
integrated washer, providing more surface area contact and better
grip.
- Square Nuts: Feature a square profile and are often used in
confined spaces.
- Wing Nuts: Designed with wings for manual tightening without
tools.
Stainless steel nuts are made from different grades of stainless steel, such as 304, 316, and 410. Each grade offers varying levels of corrosion resistance, strength, and temperature tolerance.
Stainless Steel 304/304L/304H Nuts Equivalent Grade
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
| SS 304L | 1.4306 / 1.4307 | S30403 | SUS 304L | 3304S11 | 03Х18Н11 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 |
| SS 304H | 1.4948 | S30409 | SUS 304H | - | - | - | - |
SS UNS S30400 Nuts Chemical Composition
| Element | SS 304 |
| Ni | 8.0 – 10.5 |
| C | 0.08 |
| Mn | 2.0 max |
| P | 0.045 max |
| S | 0.030 max |
| Si | 0.75 max |
| Cr | 18.0 – 20.0 |
| Mo | - |
| N | 0.10 |
304 Stainless Steel Nuts Mechanical Properties
| Element | SS 304 |
| Tensile Strength (MPa) min | 515 |
| Yield Strength 0.2% Proof (MPa) min | 205 |
| Elongation (% in 50mm) min | 40 |
| Rockwell B (HR B) max Hardness | 92 |
| Brinell (HB) max Hardness | 201 |
304 Stainless Steel Nuts Physical Properties
| Element | SS 304 |
| Density(kg/m3) | 8000 |
| Elastic Modulus (GPa) | 193 |
| Mean Coefficient of Thermal Expansion (m/m/°C) | 17.2 / 17.8 / 18.4 |
| Thermal Conductivity (W/m.K) | 16.2 / 21.5 |
| Specific Heat 0-100°C (J/kg.K) | 500 |
| Electrical Resistivity(n.m) | 720 |
Some common applications of stainless steel nuts:
1. Marine and Seaside Applications
2. Chemical Processing
3. Food and Beverage Industry
4. Pharmaceutical Industry
5. Construction
6. Automotive Industry
7. Aerospace
8. Medical Devices
9. Oil and Gas
10. Electrical and Electronics
Stainless Steel Bolt and Nut for Heat Exchanger TubeSheet Application
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