Sihe Steel
| Square Steel Tube (mm) | Rectangular Steel Tube (mm) | Round Steel Tube (mm) |
|---|---|---|
| 10×10×0.6~3.0 | 10×20×0.6~3.0 | 6x0.6~1.0 |
| 15×15×0.6~3.0 | 20×30×0.6~3.0 | 12x0.6~1.5 |
| 20×20×0.6~3.0 | 20×40×0.6~3.0 | 13x0.6~1.5 |
| 25×25×0.6~3.0 | 25×50×0.6~3.5 | 16x0.6~2.0 |
| 30×30×0.6~3.5 | 30×50×0.6~3.5 | 19x0.6~3.0 |
| 40×40×0.6~3.5 | 40×60×0.6~3.5 | 20x0.6~3.0 |
| 50×50×0.6~3.5 | 40×80×0.6~3.5 | 22x0.6~3.0 |
| 60×60×0.6~3.5 | 60×80×1.0~6.0 | 25x0.6~3.0 |
| 70×70×0.6~3.5 | 50×100×1.0~6.0 | 27x0.6~3.0 |
| 75×75×0.6~3.5 | 60×120×1.0~6.0 | 32x0.6~3.0 |
| 80×80×1.0~6.0 | 80×120×2.0~8.0 | 40x0.6~3.5 |
| 100×100×2.0~8.0 | 80×160×2.0~8.0 | 38x0.6~3.0 |
| 120×120×2.0~8.0 | 100×150×2.0~8.0 | 48x0.6~3.5 |
| 150×150×2.0~8.0 | 100×200×2.0~8.0 | 60x0.6~3.5 |
| 200×200×4.0~16.0 | 150×250×4.0~12.0 | 76x0.6~3.5 |
| 250×250×4.0~16.0 | 200×300×4.0~16.0 | 89x1.0~6.0 |
| 300×300×4.0~16.0 | 300×400×4.0~16.0 | 104x1.0~6.0 |
| 400×400×4.0~16.0 | 300×500×4.0~16.0 | 114x1.0~6.0 |
| Grade | Composition, % | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Carbon, max | Manganese, max | Phosphorus, max | Sulfur, max | Silicon, max | Nickel | Chromium | Molybdenum | Titanium | Columbium + Tantalum | |
| Austenitic | ||||||||||
| 301 | 0.15 | 2.00 | 0.040 | 0.030 | 1.00 | 6.0–8.0 | 16.0–18.0 | ... | ... | ... |
| 302 | 0.15 | 2.00 | 0.040 | 0.030 | 1.00 | 8.0–10.0 | 17.0–19.0 | ... | ... | ... |
| 304 | 0.08 | 2.00 | 0.040 | 0.030 | 1.00 | 8.0–11.0 | 18.0–20.0 | ... | ... | ... |
| 304L | 0.035A | 2.00 | 0.040 | 0.030 | 1.00 | 8.0–13.0 | 18.0–20.0 | ... | ... | ... |
| 305 | 0.12 | 2.00 | 0.040 | 0.030 | 1.00 | 10.0–13.0 | 17.0–19.0 | ... | ... | ... |
| 309S | 0.08 | 2.00 | 0.040 | 0.030 | 1.00 | 12.0–15.0 | 22.0–24.0 | ... | ... | . . . |
| 309S-Cb | 0.08 | 2.00 | 0.040 | 0.030 | 1.00 | 12.0–15.0 | 22.0–24.0 | ... | ... | B |
| 310S | 0.08 | 2.00 | 0.040 | 0.030 | 1.00 | 19.0–22.0 | 24.0–26.0 | ... | ... | ... |
| 316 | 0.08 | 2.00 | 0.040 | 0.030 | 1.00 | 10.0–14.0 | 16.0–18.0 | 2.0–3.0 | ... | ... |
| 316L | 0.035A | 2.00 | 0.040 | 0.030 | 1.00 | 10.0–15.0 | 16.0–18.0 | 2.0–3.0 | ... | ... |
| 317 | 0.08 | 2.00 | 0.040 | 0.030 | 1.00 | 11.0–14.0 | 18.0–20.0 | 3.0–4.0 | ... | ... |
| 321 | 0.08 | 2.00 | 0.040 | 0.030 | 1.00 | 9.0–13.0 | 17.0–20.0 | ... | C | ... |
| 330 | 0.15 | 2.00 | 0.040 | 0.030 | 1.00 | 33.0–36.0 | 14.0–16.0 | ... | ... | ... |
| 347 | 0.08 | 2.00 | 0.040 | 0.030 | 1.00 | 9.0–13.0 | 17.0–20.0 | ... | ... | B |
| 429 | 0.12 | 1.00 | 0.040 | 0.030 | 1.00 | 0.50 max | 14.0–16.0 | ... | ... | ... |
| 430 | 0.12 | 1.00 | 0.040 | 0.030 | 1.00 | 0.50 max | 16.0–18.0 | ... | ... | ... |
| 430-Ti | 0.10 | 1.00 | 0.040 | 0.030 | 1.00 | 0.075 max | 16.0–19.5 | ... | 5 × C min, | ... |
| 0.75 max | ||||||||||
| U.S.A. | GERMANY | GERMANY | FRANCE | JAPAN | ITALY | SWEDEN | U.K. | E.U. | SPAIN | RUSSIA |
|---|---|---|---|---|---|---|---|---|---|---|
| AISI | DIN 17006 | W.N. 17007 | AFNOR | JIS | UNI | SIS | BSI | EURONORM | ||
| 201 | SUS 201 | |||||||||
| 301 | X 12 CrNi 17 7 | 1.4310 | Z 12 CN 17-07 | SUS 301 | X 12 CrNi 1707 | 23 31 | 301S21 | X 12 CrNi 17 7 | X 12 CrNi 17-07 | |
| 302 | X 5 CrNi 18 7 | 1.4319 | Z 10 CN 18-09 | SUS 302 | X 10 CrNi 1809 | 23 31 | 302S25 | X 10 CrNi 18 9 | X 10 CrNi 18-09 | 12KH18N9 |
| 303 | X 10 CrNiS 18 9 | 1.4305 | Z 10 CNF 18-09 | SUS 303 | X 10 CrNiS 1809 | 23 46 | 303S21 | X 10 CrNiS 18 9 | X 10 CrNiS 18-09 | |
| 303 Se | Z 10 CNF 18-09 | SUS 303 Se | X 10 CrNiS 1809 | 303S41 | X 10 CrNiS 18-09 | 12KH18N10E | ||||
| 304 | X 5 CrNi 18 10 X 5 CrNi 18 12 | 1.4301 1.4303 | Z 6 CN 18-09 | SUS 304 | X 5 CrNi 1810 | 23 32 | 304S15 304S16 | X 6 CrNi 18 10 | X 6 CrNi 19-10 | 08KH18N10 06KH18N11 |
| 304 N | SUS 304N1 | X 5 CrNiN 1810 | ||||||||
| 304 H | SUS F 304H | X 8 CrNi 1910 | X 6 CrNi 19-10 | |||||||
| 304 L | X 2 CrNi 18 11 | 1.4306 | Z 2 CN 18-10 | SUS 304L | X 2 CrNi 1911 | 23 52 | 304S11 | X 3 CrNi 18 10 | X 2 CrNi 19-10 | 03KH18N11 |
| X 2 CrNiN 18 10 | 1.4311 | Z 2 CN 18-10-Az | SUS 304LN | X 2 CrNiN 1811 | 23 71 | |||||
| 305 | Z 8 CN 18-12 | SUS 305 | X 8 CrNi 1812 | 23 33 | 305S19 | X 8 CrNi 18 12 | X 8 CrNi 18-12 | |||
| Z 6 CNU 18-10 | SUS XM7 | X 6 CrNiCu 18 10 4 Kd | ||||||||
| 309 | X 15 CrNiS 20 12 | 1.4828 | Z 15 CN 24-13 | SUH 309 | X 16 CrNi 2314 | 309S24 | X 15 CrNi 23 13 | |||
| 309 S | SUS 309S | X 6 CrNi 2314 | X 6 CrNi 22 13 | |||||||
| 310 | X 12 CrNi 25 21 | 1.4845 | SUH 310 | X 22 CrNi 2520 | 310S24 | 20KH23N18 | ||||
| 310 S | X 12 CrNi 25 20 | 1.4842 | Z 12 CN 25-20 | SUS 310S | X 5 CrNi 2520 | 23 61 | X 6 CrNi 25 20 | 10KH23N18 | ||
| 314 | X 15 CrNiSi 25 20 | 1.4841 | Z 12 CNS 25-20 | X 16 CrNiSi 2520 | X 15 CrNiSi 25 20 | 20KH25N20S2 | ||||
| 316 | X 5 CrNiMo 17 12 2 | 1.4401 | Z 6 CND 17-11 | SUS 316 | X 5 CrNiMo 1712 | 23 47 | 316S31 | X 6 CrNiMo 17 12 2 | X 6 CrNiMo 17-12-03 | |
| 316 | X 5 CrNiMo 17 13 3 | 1.4436 | Z 6 CND 17-12 | SUS 316 | X 5 CrNiMo 1713 | 23 43 | 316S33 | X 6 CrNiMo 17 13 3 | X 6 CrNiMo 17-12-03 | |
| 316 F | X 12 CrNiMoS 18 11 | 1.4427 | ||||||||
| 316 N | SUS 316N | |||||||||
| 316 H | SUS F 316H | X 8 CrNiMo 1712 | X 5 CrNiMo 17-12 | |||||||
| 316 H | X 8 CrNiMo 1713 | X 6 CrNiMo 17-12-03 | ||||||||
| 316 L | X 2 CrNiMo 17 13 2 | 1.4404 | Z 2 CND 17-12 | SUS 316L | X 2 CrNiMo 1712 | 23 48 | 316S11 | X 3 CrNiMo 17 12 2 | X 2 CrNiMo 17-12-03 | 03KH17N14M2 |
| X 2 CrNiMoN 17 12 2 | 1.4406 | Z 2 CND 17-12-Az | SUS 316LN | X 2 CrNiMoN 1712 | ||||||
| 316 L | X 2 CrNiMo 18 14 3 | 1.4435 | Z 2 CND 17-13 | X 2 CrNiMo 1713 | 23 53 | 316S13 | X 3 CrNiMo 17 13 3 | X 2 CrNiMo 17-12-03 | 03KH16N15M3 | |
| X 2 CrNiMoN 17 13 3 | 1.4429 | Z 2 CND 17-13-Az | X 2 CrNiMoN 1713 | 23 75 | ||||||
| X 6 CrNiMoTi 17 12 2 | 1.4571 | Z6 CNDT 17-12 | X 6 CrNiMoTi 1712 | 23 50 | 320S31 | X 6 CrNiMoTi 17 12 2 | X 6 CrNiMoTi 17-12-03 | 08KH17N13M2T 10KH17N13M2T | ||
| X 10 CrNiMoTi 18 12 | 1.4573 | X 6 CrNiMoTi 1713 | 320S33 | X 6 CrNiMoTI 17 13 3 | X 6 CrNiMoTi 17-12-03 | 08KH17N13M2T 10KH17N13M2T | ||||
| X 6 CrNiMoNb 17 12 2 | 1.4580 | Z 6 CNDNb 17-12 | X 6 CrNiMoNb 1712 | X 6 CrNiMoNb 17 12 2 | 08KH16N13M2B | |||||
| X 10 CrNiMoNb 18 12 | 1.4583 | X 6 CrNiMoNb 1713 | X 6 CrNiMoNb 17 13 3 | 09KH16N15M3B | ||||||
| 317 | SUS 317 | X 5 CrNiMo 1815 | 23 66 | 317S16 | ||||||
| 317 L | X 2 CrNiMo 18 16 4 | 1.4438 | Z 2 CND 19-15 | SUS 317L | X 2 CrNiMo 1815 | 23 67 | 317S12 | X 3 CrNiMo 18 16 4 | ||
| 317 L | X 2 CrNiMo 18 16 4 | 1.4438 | Z 2 CND 19-15 | SUS 317L | X 2 CrNiMo 1816 | 23 67 | 317S12 | X 3 CrNiMo 18 16 4 | ||
| 330 | X 12 NiCrSi 36 16 | 1.4864 | Z 12NCS 35-16 | SUH 330 | ||||||
| 321 | X 6 CrNiTi 18 10 X 12 CrNiTi 18 9 | 1.4541 1.4878 | Z 6 CNT 18-10 | SUS 321 | X 6 CrNiTi 1811 | 23 37 | 321S31 | X 6 CrNiTi 18 10 | X 6 CrNiTi 18-11 | 08KH18N10T |
| 321 H | SUS 321H | X 8 CrNiTi 1811 | 321S20 | X 7 CrNiTi 18-11 | 12KH18N10T | |||||
| 329 | X 8 CrNiMo 27 5 | 1.4460 | SUS 329J1 | 23 24 | ||||||
| 347 | X 6 CrNiNb 18 10 | 1.4550 | Z 6 CNNb 18-10 | SUS 347 | X 6 CrNiNb 1811 | 23 38 | 347S31 | X 6 CrNiNb 18 10 | X 6 CrNiNb 18-11 | 08KH18N12B |
| 347 H | SUS F 347H | X 8 CrNiNb 1811 | X 7 CrNiNb 18-11 | |||||||
| 904L | 1.4939 | Z 12 CNDV 12-02 | ||||||||
| X 20 CrNiSi 25 4 | 1.4821 | |||||||||
| UNS31803 | X 2 CrNiMoN 22 5 | 1.4462 | ||||||||
| UNS32760 | X 3 CrNiMoN 25 7 | 1.4501 | Z 3 CND 25-06Az | |||||||
| 403 | X 6 Cr 13 X 10 Cr 13 X 15 Cr 13 | 1.4000 1.4006 1.4024 | Z 12 C 13 | SUS 403 | X 12 Cr 13 | 23 02 | 403S17 | X 10 Cr 13 X 12 Cr 13 | X 6 Cr 13 | 12Kh13 |
| 405 | X 6 CrAl 13 | 1.4002 | Z 6 CA 13 | SUS 405 | X 6 CrAl 13 | 405S17 | X 6 CrAl 13 | X 6 CrAl 13 | ||
| X 10 CrAl 7 | 1.4713 | Z 8 CA 7 | X 10 CrAl 7 | |||||||
| X 10 CrAl 13 | 1.4724 | X 10 CrAl 12 | 10Kh13SYu | |||||||
| X 10 CrAl 18 | 1.4742 | X 10 CrSiAl 18 | 15Kh18SYu | |||||||
| 409 | X 6 CrTi 12 | 1.4512 | Z 6 CT 12 | SUH 409 | X 6 CrTi 12 | 409S19 | X 5 CrTi 12 | |||
| X 2 CrTi 12 | ||||||||||
| 410 | X 6 Cr 13 X 10 Cr 13 X 15 Cr 13 | 1.4000 1.4006 1.4024 | Z 10 C 13 Z 12 C 13 | SUS 410 | X 12 Cr 13 | 23 02 | 410S21 | X 12 Cr 13 | X 12 Cr 13 | 12Kh13 |
| 410 S | X 6 Cr 13 | 1.4000 | Z 6 C 13 | SUS 410S | X 6 Cr 13 | 23 01 | 403S17 | X 6 Cr 13 | 08Kh13 |
Medical device industry
Temperature-guided industrial temperature control, sensors used pipe, tube thermometer
Pens care industry core tube
Micro-tube antenna, various types of small precision stainless steel antenna
With a variety of electronic small-diameter Stainless steel capillary
Jewelry needle punch
Watches, picture
Car antenna tube, bar antennas using tubes, antenna tube
Laser engraving equipment to use stainless steel tube
Fishing gear, accessories, Yugan out with possession of
Diet with stainless steel capillary
All types of mobile phone stylus a computer stylus
Heating pipe industry, oil industry
Printers, silent box needle
Pull a double-melt stainless steel tube used in window-coupled
A variety of industrial small diameter Precision stainless steel tubes
Precision dispensing with stainless steel needles
Microphone, headphones and microphone to use stainless steel tube, and so on
What grades of stainless steel polishing tubes are available?
We offer a wide range of material grades including Austenitic stainless steel such as 201, 202, 304, 304L, 316, 316L, 409, and 430, compliant with ASTM A554, JIS, and DIN standards.
What dimensions do the square, rectangular, and round steel tubes come in?
Our dimensions range from OD 8-219m for round pipes, 10x10mm to 150x150mm for square pipes, and 10x20mm to 120x180mm for rectangular pipes, with a wall thickness option of 0.2mm to 4.0mm.
What surface finishes can be applied to the stainless steel polishing pipe?
Available pipe surface finishes include 180G, 320G, 400G, 500G, 600G, Satin, hairline, 2B, BA, mirror, and 8K.
What testing and quality control procedures do the products undergo?
To ensure reliability, especially for the control lines in oil and gas sectors, we conduct non-destructive tests, hydrostatic tests, surface finish controls, dimensional accuracy measurements, flare and coning tests, alongside mechanical and chemical property testing.
What are the primary applications of stainless steel capillary tubes?
They are widely applied in medical devices, industrial temperature sensors, micro-tube antennas, precision electronics, jewelry needles, watch parts, heating and oil industry pipes, silent box needles for printers, and microphone/headphone tubes.
Can these stainless steel polishing tubes be ordered in welded or seamless types?
Yes, both welded and seamless types of stainless steel polishing pipes are available depending on your specific application and standard requirements.