China 1.4373 202 Stainless Steel Polishing Tube Manufacturers and Suppliers for Global B2B Buyers

EN 1.4373 202 Stainless Steel Polishing Tube

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⚙ Specification

✦ Item: stainless steel polishing pipe

✦ Type: welded or seamless

✦ Standard: ASTM A554 JIS, DIN

✦ Grade: 201, 202, 304, 304L, 316, 316L, 409, 430, etc.

✦ Size: Round pipe: OD 8-219mm
Square Pipe: OD 10x10mm - 150x150mm
Rectangle Pipe: 10x20mm to 120x180mm

✦ Thickness: 0.2-4.0mm

✦ Surface: 180G, 320G, 400G, 500G, 600G, Satin, hairline, 2B, BA, mirror, 8K

✦ Length: 5.8m, 6M, 11.85M, 12m

❖ Applications

Decoration usage (road, bridge handrail, railing, bus stop, airport and gym)
Construction and ornament
Industry area (petroleum, food, chemical, paper, fertilizer, fabric, aviation and nuclear)

❖ Dimensions & Sizes

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 & Chemical Composition

Grade	Composition, %
Grade	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 comparison

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

🏭 Factory

✔ Quality Advantage

The quality of our products for the control line in 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

❖ Capillary Tube Applications

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

❓ Frequently Asked Questions

What standards and grades are available for these stainless steel polishing tubes?

Our stainless steel polishing tubes are manufactured in compliance with ASTM A554, JIS, and DIN standards. They are available in a variety of material grades, including 201, 202, 304, 304L, 316, 316L, 409, and 430.

What sizes and shapes of stainless steel pipes do you provide?

We supply three main shapes:
- Round pipes: Outer Diameter (OD) ranging from 8mm to 219mm.
- Square pipes: Sizes from 10x10mm up to 150x150mm.
- Rectangular pipes: Sizes from 10x20mm up to 120x180mm.
The wall thickness ranges from 0.2mm to 4.0mm.

What types of surface finishes can be applied to the polished tubes?

We offer multiple surface treatments to meet different requirement demands, including 180G, 320G, 400G, 500G, 600G, Satin, hairline, 2B, BA, mirror, and 8K.

What quality testing procedures are conducted for control line products?

To guarantee outstanding performance in demanding oil and gas applications, our products undergo rigorous testing. This includes non-destructive tests, hydrostatic testing, surface finish controls, dimensional accuracy measurements, flare and coning tests, alongside comprehensive mechanical and chemical property evaluations.

Where are stainless steel capillary tubes commonly used?

Stainless steel capillary tubes are widely utilized across various precision industries, including medical devices, industrial temperature sensors, writing instruments, antenna components, electronics, watchmaking, heating elements, oil industry components, and high-precision laboratory dispensing systems.