Screw thread joint
Sizes from 1/16 to 2 in., 6 mm to 30 mm
SMYTIK threaded joints are made of stainless steel, alloy 400/R-405, brass and carbon steel
Threads include NPT, ISO/BSP, SAE, and ISO metric threads
Precision machined, burr free threads ensure effective sealing and prevent bite
Standard of materials
| material | bar | forgings |
| 316 stainless steel | ASTM A276 ASME SA479, EN1.4401 | ASME SA182, EN1.4401 |
| Alloy 20 | ASTM B473 | ASTM B462 |
| Alloy 400/R-405 | ASTM B164.ASMESB164 | ASTM B564, ASME SB564 |
| Alloy 600 | ASTM B166.ASMESB166 | ASTM B564, ASME SB564 |
| Alloy 625 | ASTM B446 | ASTM B564, ASME SB564 |
| Alloy 825 | ASTM B425 | ASTM B564, ASME SB564 |
| Alloy C-276 | ASTM B574 | ASTM B564 |
| aluminum | ASTM B211 | ASTM B247 |
| brass | ASTM B16, ASTM | ASTM B283 |
| Carbon steel | B453 ASTM A108 | - |
Operating temperature range
| The material | Operating temperature: ℉ (℃) |
| 316 stainless steel | -65(-53) to 1000(537) |
| brass | -20(-28 )to 400(204) |
| Carbon steel | -65(-53) to 375(190) |
| BS gasket (FKM) | 5(-15) to 400(204) |
| BG, BP gasket (copper) | 5(-15) to 400(204) |
| SAE O-ring (FKM) | 5(-15) to 400(204) |
Rules of coding
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