Welded Bellows
유체제어 제품 및 솔루션 선도기업, (주)스페이스솔루션입니다.
Welded Bellows
Materials
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► The advantage of welded metal bellows is a variety of materials can be used to produce customized products that more suitable product in operation than the formed bellows. Space Solutions supply optimized products to meet customer’s requests by using a variety of materials.
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► Welded Metal Bellows는 성형 Bellows에 비해 다양한 종류의 소재를 활용할 수 있어 운전 조건에 가장 적합한 제품을 만들 수 있다는 장점이 있습니다. 스페이스솔루션은 아래와 같이 다양한 소재를 이용하여, 고객의 요구조건에 최적화된 제품을 공급할 수 있습니다.
Specification
| Availlable raw materials-A | ||||
|---|---|---|---|---|
| Material | 304 | 316L | 321 | 347 |
| Treatment | Annealed | Annealed | Annealed | Annealed |
|
Max. Tensile Strength (psi X 103) |
81 | 81 | 90 | 95 |
|
Max. Tensile Strength 2% deduction (psi X 103) |
39 | 42 | 35 | 40 |
| Elongation in 2 inch(%) | 55 | 55 | 55 | 50 |
| Hardness | 79R | 79R | 80R | 85R |
|
Module elasticity (psi X 10) |
28 | 29 | 28 | 28 |
|
Density (lb/in2) |
0.29 | 0.29 | 0.29 | 0.29 |
|
Thermal expansion coefficient 68-212℉ (in/in℉ X 10) |
9.6 | 8.9 | 9.3 | 9.3 |
|
Thermal conduction 212℉ (Btu/hr-ft℉) |
9.4 | 9.4 | 9.3 | 9.3 |
|
Magnetic permeability 200H (annealed) |
1.02 max. | 10.2 max. | 10.2 max. | 10.2 max. |
| Availlable raw materials-B | ||||
|---|---|---|---|---|
| Material | Alloy 20 | AM350 | AM350 | HC-276 |
| Treatment | Annealed | Annealed | SCT 850℉ | Annealed |
|
Max. Tensile Strength (psi X 103) |
93 | 145 | 206 | 115 |
|
Max. Tensile Strength 2% deduction (psi X 103) |
46 | 60 | 173 | 55 |
| Elongation in 2 inch(%) | 38 | 40 | 12.5 | 60 |
| Hardness | 90R | 20R | 45R | 90R |
|
Module elasticity (psi X 10) |
28 | 29 | 29.4 | 29.8 |
|
Density (lb/in2) |
0.29 | 0.286 | 0.282 | 0.321 |
|
Thermal expansion coefficient 68-212℉ (in/in℉ X 10) |
8.2 | 8.5 | 6.3 | 6.8 |
|
Thermal conduction 212℉ (Btu/hr-ft℉) |
7.6 | 8.2 | 8.9 | 6.4 |
|
Magnetic permeability 200H (annealed) |
1.002 | 12 max. | 123 max. | 1.0002 |
| Availlable raw materials-C | ||||
|---|---|---|---|---|
| Material | Haynes 242 | Haynes 242 | Inconel 625 | Inconel 718 |
| Treatment | Annealed | Aged | Annealed | Annealed |
|
Max. Tensile Strength (psi X 103) |
128 | 196 | 120 | 117 |
|
Max. Tensile Strength 2% deduction (psi X 103) |
65 | 135 | 60 | 44 |
| Elongation in 2 inch(%) | 47 | 32 | 55 | - |
| Hardness | - | - | 88R | - |
|
Module elasticity (psi X 10) |
33.2 | 33.2 | 29.8 | 29 |
|
Density (lb/in2) |
0.327 | 0.327 | 0.305 | 0.296 |
|
Thermal expansion coefficient 68-212℉ (in/in℉ X 10) |
6 | 6 | 7.1 | - |
|
Thermal conduction 212℉ (Btu/hr-ft℉) |
7 | 7 | 6.2 | 6.5 |
|
Magnetic permeability 200H (annealed) |
- | - | 1.0006 | 1.0013 |
| Availlable raw materials-D | ||||
|---|---|---|---|---|
| Material | Inconel 718 | Inconel X-750 | Monel 400 | Titanium CP2 |
| Treatment | Aged | Aged | Annealed | Annealed |
|
Max. Tensile Strength (psi X 103) |
180 | 177 | 70 | 50 |
|
Max. Tensile Strength 2% deduction (psi X 103) |
150 | 123 | 28 | 40 |
| Elongation in 2 inch(%) | 12 | 27 | 55 | - |
| Hardness | 26R | - | 68R | - |
|
Module elasticity (psi X 10) |
29 | 31 | 26 | - |
|
Density (lb/in2) |
0.297 | 0.298 | 0.316 | 0.162 |
|
Thermal expansion coefficient 68-212℉ (in/in℉ X 10) |
6.8 | 7 | 7.7 | - |
|
Thermal conduction 212℉ (Btu/hr-ft℉) |
6.6 | 6.9 | 13.9 | - |
|
Magnetic permeability 200H (annealed) |
1.0011 | 1.002 | - | 1.00005 |
