Stainless Steel Coil Products Included:
stainless steel coil tube
stainless steel tube coil
stainless steel coil tubing
stainless steel coil pipe
stainless steel coil tube suppliers
stainless steel coil tube manufacturers
stainless steel pipe coil
ASTM Stainless Steel Precision Pipe for Alloy 625 Grade Specifications
Standard
ASTM A-312, ASTM A-269, ASTM A-632, ASTM A-213, DIN 17458, DIN17456, JIS G3463, JIS G3459, JIS G3448
Material Grade
201, 202, 304, 316, ALLOY 625
Outer Diameter
0.1mm - 8mm
Thickness
0.05mm - 2.1mm
Length
2440mm, 3050mm, 5800mm, 6000mm, 6100mm, or as requested
Tolerance (OD)
+/- 0.2mm
Tolerance (Thickness)
+/- 10% (or as requested)
Tolerance (Length)
+/- 10mm
Surface Finish
Satin / Hairline (180#, 320#), Polish (400#, 600#, 800#) or Mirror Surface
Packing
Plastic bag / woven packing (custom options available)
Chemical Composition for Alloy 625 Stainless Steel Precision Pipe
| Element Limits |
C |
Mn |
Mo |
Cr |
Ni |
Cu |
Ti |
P |
S |
Si |
V |
Al |
| Min |
- |
- |
8.000 |
20.000 |
- |
- |
- |
- |
- |
- |
- |
- |
| Max |
0.100 |
0.500 |
10.000 |
23.000 |
58.000 |
- |
0.400 |
0.015 |
0.015 |
- |
- |
0.400 |
Mechanical Properties
| Property |
Metric Value |
Imperial Value |
| Tensile Strength |
827 MPa min |
120,000 psi min |
| Yield Strength |
414 MPa min |
- |
| Total Elongation Under Load |
20.000 % |
- |
| Hardness |
35 Max HRC |
- |
Industry Applications
✦
Hydraulic and pneumatic components
✦
Textile and chemical fiber machinery
✦
Medical, chemical, and food hygiene equipment
✦
Instrumentation, boilers, and pressure vessels
✦
Mechanical and electronic industries
Steel Tube Size Range & Technical Data
| 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 |
Physical Properties of Stainless Steel Polishing Pipe (Composition %)
| 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 | ... |
Stainless Steel Coiled Tubing / Coiled Tubes Material Grade Reference
| U.S.A. |
GERMANY (DIN) |
GERMANY (W.N.) |
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 | - |
| 316L | 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 |
| 317L | 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 | - | - |
| 330 | X 12 NiCrSi 36 16 | 1.4864 | Z 12NCS 35-16 | SUH 330 | - | - | - | - | - | - |
| 321 | X 6 CrNiTi 18 10 | 1.4541 | 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 |
| 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 |
| 904L | - | 1.4939 | Z 12 CNDV 12-02 | - | - | - | - | - | - | - |
| 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 | 1.4000 | Z 12 C 13 | SUS 403 | X 12 Cr 13 | 23 02 | 403S17 | X 10 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 | - |
| 409 | X 6 CrTi 12 | 1.4512 | Z 6 CT 12 | SUH 409 | X 6 CrTi 12 | - | 409S19 | X 5 CrTi 12 | - | - |
| 410 | X 6 Cr 13 / X 10 Cr 13 | 1.4000 / 1.4006 | Z 10 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 |
Factory Overview
Quality Advantage
The quality of our products for the control line in the oil and gas sector is assured not just during the controlled manufacturing process but also by way of finished product testing. Typical tests include:
✔
Non-destructive tests
✔
Hydrostatic tests
✔
Surface finish controls
✔
Dimensional accuracy measurements
✔
Flare and coning tests
✔
Mechanical and chemical property testing
Application Capillary Tube
➔Medical device industry
➔Temperature-guided industrial temperature control, sensor pipes, and tube thermometers
➔Pen care industry core tubes
➔Micro-tube antennas, and various types of small precision stainless steel antennas
➔Various electronic small-diameter stainless steel capillaries
➔Jewelry needle punches
➔Watches and visual instruments
➔Car antenna tubes, bar antennas, and receiver tubes
➔Laser engraving equipment tubes
➔Fishing gear accessories
➔Food industry stainless steel capillaries
➔Mobile phone and computer styluses
➔Heating pipe industry and oil industry
➔Printers and silent box needles
➔Double-melt stainless steel tubes used in window couplers
➔Industrial small-diameter precision stainless steel tubes
➔Precision dispensing stainless steel needles
➔Microphone and headphone casing tubes
Packaging & Products
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Frequently Asked Questions (FAQ)
What are the standard specifications of Alloy 625 precision pipes?
Alloy 625 precision pipes conform to several international standards including ASTM A-312, ASTM A-269, ASTM A-632, and ASTM A-213, as well as European standards like DIN 17458/17456 and Japanese standards JIS G3463/G3459/G3448.
What is the chemical composition of Alloy 625 stainless steel precision pipe?
Alloy 625 contains a minimum of 20.00% Chromium (Cr) and 8.00% Molybdenum (Mo), with Nickel (Ni) representing up to 58.00%. It also contains maximum values of 0.10% Carbon, 0.50% Manganese, 0.40% Titanium, and 0.40% Aluminum.
What are the mechanical properties of these coiled tubes?
Alloy 625 precision pipes feature a minimum tensile strength of 827 MPa (120,000 psi) and a minimum yield strength of 414 MPa. The total elongation under load is 20% with a maximum hardness of 35 HRC.
What sizing options are available for stainless steel coiled tubing?
The outer diameter ranges from 0.1mm up to 8mm, with wall thicknesses spanning 0.05mm to 2.1mm. Standard lengths include 2440mm, 3050mm, 5800mm, 6000mm, and 6100mm, and can be customized upon request.
How is quality control assured for control line tubing?
Quality control is maintained through a combination of manufacturing supervision and post-production testing. Typical test routines include non-destructive, hydrostatic, surface finish, dimensional accuracy, mechanical, chemical, and flare/coning evaluations.
What are the main applications for stainless steel capillary tubes?
They are widely applied in the medical device industry, industrial temperature sensors, instrumentation, micro-tube antennas, heating systems, oil and gas control lines, and other high-precision mechanical applications.
Sihe Steel
