Stainless Steel 347 Needle Valve
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Material Specification Of Stainless Steel 347 Needle Valve
| BRAND NAME | TU-LOK |
| VALVE SIZE | 1/8" TO 2" / 6 MM TO 50 MM |
| THREAD | NPT, BSPP, BSPT, JIC, METRIC, UNF |
| CONNECTION | THREADED, TUBE END, BUTT WELD, SOCKET WELD, FLANGE END |
| FLOW PATTERN | STRAIGHT, ANGLE, CROSS PATTERNS |
| FUNCTION | 2 WAY, 3 WAY |
| BODY SHAPE | SQUARE, ROUND, HEXAGON |
| PRESSURE RATING | 1500 PSI, 3000 PSI, 6000 PSI, 10000 PSI, 15,000 PSI, 20000 PSI |
| ORIFICE SIZE | 2 MM TO 9.5 MM |
| BODY TYPE | BAR STOCK |
| MATERIAL | SS 347 |
SS 347 needle valve Range
SS 347 NEEDLE VALVE
SS 347 SCREWED BONNET NEEDLE VALVE
UNS S34700 Needle Valve Datasheet
Chemical Properties of Stainless Steel 347 Needle Valve
| Element | Content (%) |
|---|---|
| Iron, Fe | 62.83 - 73.64 |
| Chromium, Cr | 17 - 20 |
| Nickel, Ni | 9 - 13 |
| Manganese, Mn | 2 |
| Silicon, Si | 1 |
| Niobium, Nb (Columbium, Cb) | 0.320 - 1 |
| Carbon, C | 0.04 - 0.10 |
| Phosphorous, P | 0.040 |
| Sulfur, S | 0.030 |
Mechnical Properties of DIN 1.4550 Needle Valve
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength, ultimate | 480 MPa | 69600 psi |
| Tensile strength, yield | 205 MPa | 29700 psi |
| Rupture strength (@750°C/1380°F, time 100,000 hours) | 38 - 39 MPa, | 5510 - 5660 psi |
| Elastic modulus | 190 – 210 GPa | 27557 – 30458 ksi |
| Poisson’s ratio | 0.27 – 0.30 | 0.27 – 0.30 |
| Elongation at break | 29% | 29% |
| Hardness, Brinell | 187 | 187 |
Physical Properties of S34700 Needle Valve
| Grade | Density | Modulus of Elasticity in Tension | Melting Range | |
|---|---|---|---|---|
| g/cm3 | lb/in3 | |||
| 347 | 7.96 | 0.288 | 28 x 106 psi 193 GPa |
1398-1446°C 2550-2635°F |
Equivalent Of En 1.4541 Needle Valve
| STANDARD | WERKSTOFF NR. | UNS |
| SS 347 | 1.4550 | S34700 |