| Specifications |
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| 1. Basic Desigh: ISO 4144.Other standards we can also supply you. |
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| 2. Basic Material |
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| 304 C%<0.08 Mn%<1.5 Si%<2.0 S%<0.04 P%<0.04 Ni% 8-11 Cr% 18-21 |
| 316 C%<0.08 Mn%<1.5 Si%<1.5 S%<0.04 P%<0.04 Ni% 9-12 Cr% 18-21 Mo% 2-3 |
| Marks: other material we can also supply you. |
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| 3.Tensile properties |
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| Yield Strength(0.2%) Tensile Strength Elongation |
| 304 >205N/square millimeter >485N/square millimeter 35% |
| 316 >205N/square millimeter >485N/square millimeter 30% |
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| 4. Temperature |
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| 304 and 316 are not recommended for service at temperatures in excess of 800°F(425°C). |
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| 5.Working pressure |
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| 150 psi 304 and 316 screwed fittings are used for standard pressure service as 10.55Kgs/cm² of water pressure. |
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| 6. TYPES OF THREADS |
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| ISO-228,DIN-2999,PS,BSPT.BS21,NPT and threads with special requirements. |
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| 7.LIMIT DEVIATION OF UNSPECIFIED TOLERANCE |
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| Nominal Dimension Limit Deviation |
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| ≤3 ±0.125 |
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| >3-6 ±0.15 |
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| >6-10 ±0.18 |
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| >10-18 ±0.215 |
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| >18-30 ±0.26 |
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| >30-50 ±0.31 |
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| >50-80 ±0.37 |
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| >80-120 ±0.435 |
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| >120-180 ±0.5 |
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| >180-250 ±0.575 |
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>250-315 ±0.65 |
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| 8.We can supply OEM service. |
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| 9.Two workmanship you can choose : casting and forged. |
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