Shengji micro high precision stainless steel tube
Shengji micro high precision stainless steel tube
Product DescriptionShengji is the leading manufacture of precision stainless steel tube. It is widely used as barrel & plunger, motor housing, gas springs, shock absorbers, cylinders, body-building instruments, automotive industry, etc.The precision stainless steel tube is recommended for applications where accuracy, roughness and cleanness of the pipe is a priority. The inner and outer walls of the precision stainless steel tube have high accuracy and excellent roughness (Ra=0.2 - 0.6).The materials can be altered to meet customers' requirements. Shengji precision stainless steel tube can also withstand high pressure. Both the inner and outer walls have a smooth finish with no oxidation layer on the surface. Our tube features the best technology in both domestic and international markets.
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Oilfield ApplicationThe precision stainless steel tube can be used for downhole pump barrel & plunger, sucker rod coupling, ESP housing, motor bearing and housing.
1.Sucker Rod Pump
Barrel specification | Nominal Dia.(in) | I.D. Tolerance(mm) | Wall thickness | Material | Plunger specification | O.D. tolerance(mm) | Length (in) |
Φ32 | 1 1/4” | ±0.05 | 3/50” 1/8” 1/4” 3/8” 3/4” 7/8” 1” | 1.Carbon steel 1020,1026,1045 etc); 2.Brass 3.Alloy steel 304,316,316L,S50100, 4130,13Cr,P9 etc. | Φ32 | ±0.05 | 4’-6’ |
Φ38 | 1 1/2” | ±0.05 | Φ38 | ±0.05 | |||
Φ44 | 1 3/4” | ±0.05 | Φ44 | ±0.05 | |||
Φ50 | 2” | ±0.05 | Φ50 | ±0.05 | |||
Φ57 | 2 1/4” | ±0.05 | Φ57 | ±0.05 | |||
Φ70 | 2 3/4” | ±0.10 | Φ70 | ±0.10 | |||
Φ83 | 3 1/4” | ±0.10 | Φ83 | ±0.10 | |||
Φ95 | 3 3/4” | ±0.10 | Φ95 | ±0.10 | |||
Φ108 | 4 1/4” | ±0.10 | Φ108 | ±0.10 | |||
Φ220 | 8 5/8” | ±0.10 | Φ220 | ±0.10 | |||
Φ280 | 11” | ±0.10 |
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Development HistoryIn 1964, our factory is established;
In 1995, we bought in the first tubing production line;
In 2007, our company is restuctured;
In 2015, we became the supplier for Schlumberger and Haliburton.
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