Sihe Steel Sihe Steel

Wholesale JIS DIN Alloy 825 Stainless steel Precision pipe Suppliers, Factory

Stianless Steel  Pipe /TUBE 1. : Grade :201  202 304  304l  316  316l 2. Standard:ASTM  DIN JIS AISI GB 3.Surface: 2B BA  NO.4 Mirror 320#  380# 400#600# 800# 4.Length :6M 11.5 M  12M or As Per your requirment. 5.OD :Round Tube 9.52-219MM  Retangle :10*10-150-150 6.Inner packing :Plastic Bag 7.Outer Packing: Carton /Woven/Wooden Packaging 8.Od:+/- 0.2mm, Thickness: +/- 0.02mm

Product Description

JIS DIN Alloy 825 Stainless Steel Precision Pipe
Standard ASTM A-312, ASTM A-269, ASTM A-632, ASTM A-213, DIN 17458, DIN 17456, JIS G3463, JIS G3459, JIS G3448
Material Grade 201 / 202 / 304 / 316
Outer Diameter 0.1mm - 8mm
Thickness 0.05mm - 2.1mm
Length 2440mm, 3050mm, 5800mm, 6000mm, 6100mm or as customer request
Tolerance OD: +/- 0.2mm
Thickness: +/- 10% or as customer request
Length: +/- 10mm
Surface Satin / Hairline (180#, 320#), Polish (400#, 600#, 800#) or Mirror surface
Packing Plastic bag / woven packing (please send details packing if you have other requirements)
Stainless Steel Coil Products
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The Chemical Composition for alloy 825 stainless steel precision pipe
Limit C Mn Mo Cr Ni Cu Ti P S Si V Al
Min - - 2.500 19.500 - - - - - - - -
Max 0.050 1.000 3.500 23.500 46.000 3.000 1.200 - 0.030 0.500 - 0.200
Mechanical Properties
Property Metric Value Imperial Value
Tensile Strength 586 MPa min 85,000 psi min
Yield Strength 241 MPa min -
Total Elongation Under Load 30.000 % -
Hardness 35 Max HRC -

Application: Hydraulic pneumatic components, textile chemical fiber machinery, medical and chemical, food hygiene, instrumentation, boilers, pressure vessels and other mechanical and electronic industries.

Steel Tube Dimensions
Square Steel Tube (mm) Rectangular Steel Tube (mm) Round Steel Tube (mm)
10×10×0.6~3.010×20×0.6~3.06x0.6~1.0
15×15×0.6~3.020×30×0.6~3.012x0.6~1.5
20×20×0.6~3.020×40×0.6~3.013x0.6~1.5
25×25×0.6~3.025×50×0.6~3.516x0.6~2.0
30×30×0.6~3.530×50×0.6~3.519x0.6~3.0
40×40×0.6~3.540×60×0.6~3.520x0.6~3.0
50×50×0.6~3.540×80×0.6~3.522x0.6~3.0
60×60×0.6~3.560×80×1.0~6.025x0.6~3.0
70×70×0.6~3.550×100×1.0~6.027x0.6~3.0
75×75×0.6~3.560×120×1.0~6.032x0.6~3.0
80×80×1.0~6.080×120×2.0~8.040x0.6~3.5
100×100×2.0~8.080×160×2.0~8.038x0.6~3.0
120×120×2.0~8.0100×150×2.0~8.048x0.6~3.5
150×150×2.0~8.0100×200×2.0~8.060x0.6~3.5
200×200×4.0~16.0150×250×4.0~12.076x0.6~3.5
250×250×4.0~16.0200×300×4.0~16.089x1.0~6.0
300×300×4.0~16.0300×400×4.0~16.0104x1.0~6.0
400×400×4.0~16.0300×500×4.0~16.0114x1.0~6.0
The physical properties of stainless steel polishing pipe
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 17006) GERMANY (W.N.) FRANCE JAPAN ITALY SWEDEN U.K. E.U. SPAIN RUSSIA
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 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 - -
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 - - - - - - -
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
X 2 CrTi 12
- 409S19 X 5 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
Factory Manufacturing Process
pipe factory
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:

1. Non-destructive tests
2. Hydrostatic tests
3. Surface finish controls
4. Dimensional accuracy measurements
5. Flare and coning tests
6. Mechanical and chemical property testing
Application Capillary Tube
1Medical device industry
2Temperature-guided industrial temperature control, sensors used pipe, tube thermometer
3Pens care industry core tube
4Micro-tube antenna, various types of small precision stainless steel antenna
5With a variety of electronic small-diameter Stainless steel capillary
6Jewelry needle punch
7Watches, picture
8Car antenna tube, bar antennas using tubes, antenna tube
9Laser engraving equipment to use stainless steel tube
10Fishing gear, accessories, Yugan out with possession of
11Diet with stainless steel capillary
12All types of mobile phone stylus, a computer stylus
13Heating pipe industry, oil industry
14Printers, silent box needle
15Pull a double-melt stainless steel tube used in window-coupled
16A variety of industrial small diameter Precision stainless steel tubes
17Precision dispensing with stainless steel needles
18Microphone, headphones and microphone to use stainless steel tube, and so on
pipe packaging
precision pipe details
stainless steel coil tube
Frequently Asked Questions (FAQ)

Q1: Which manufacturing standards do these alloy 825 precision pipes comply with?

A: The precision pipes are manufactured in compliance with major international standards including ASTM A-312, ASTM A-269, ASTM A-632, ASTM A-213, DIN 17458, DIN 17456, JIS G3463, JIS G3459, and JIS G3448.

Q2: What is the chemical composition limits for Alloy 825?

A: Alloy 825 contains Chromium (19.5% - 23.5% max), Nickel (46.0% max), Molybdenum (2.5% - 3.5%), along with limited quantities of Copper, Titanium, Carbon, Manganese, Silicon, Phosphorus, and Sulfur.

Q3: What are the mechanical properties of Alloy 825 precision pipes?

A: The material features a minimum tensile strength of 586 MPa (85,000 psi), a minimum yield strength of 241 MPa, a total elongation under load of 30.0%, and a maximum hardness of 35 HRC.

Q4: What dimensional tolerances can be expected for these tubes?

A: The standard tolerances are +/- 0.2mm for the outer diameter, +/- 10% for the wall thickness (or as per customer request), and +/- 10mm for the length.

Q5: What are the primary applications of stainless steel capillary tubes?

A: They are widely used in medical devices, industrial temperature sensors, instrumentation, automotive and mobile phone stylus systems, electronic applications, jewelry needles, and petrochemical heating systems.

Q6: What tests are performed to assure the quality of the control line tubing?

A: Every finished batch undergoes stringent quality testing, including non-destructive testing, hydrostatic testing, dimensional accuracy measurements, surface finish controls, flare/coning tests, and full chemical/mechanical verification.

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