Wholesale 304 304L 316 316L Welded Austenitic Piping Seamless Tube
| Category | Stainless steel tube pipe |
| Material |
ASTM : 200 series : S20100 / 201 , S20200 / 202 300 series : S30100 / 301 , S30400 / 304 , S30403 / 304L , S31008 / 310S , S31600 / 316 , S31603 / 316L , S31635 / 316Ti , S32100 / 321 Duplex series : S32205 / 2205 , S32750 / 2507 400 series : S43000 , S41000 / 410 , S42000 / 420 ; 900 series : 904L JIS : 200 series : SUS201 , SUS202 300 series : SUS301 , SUS304 , SUS304L , SUS310S , SUS316 , SUS316L , SUS316Ti , SUS321 400 series : SUS430 , SUS410 , SUS420J1 , SUS420J2 ; 900 series : 904L DIN EN / BS EN / NF EN : 200 series : 1.4372 1.4373 300 series : 1.4319 , 1.4301 , 1.4306 , 1.4845 , 1.4401 , 1.4404 , 1.4571 , 1.4541 400 series : 1.4016 , 1.4006 , 1.4021 , 1.4028 ; 900 series : 904L Duplex series : 1.4410 |
| Wall Thickness | 5S/10S/40S/STD/60S/XS/XXS |
| Size | DN15-DN500 and customized sizes . |
| Technology | Welded / Seamless |
| Surface Treatment |
ASTM : No.1 , No.2D , No.2B , Bright Annealed , No. 3 , No. 4 , No.6 , No. 7 , No. 8 , TR ; JIS : No.1 , No.2D , No.2B , No. 3 , No. 4 , #240 , #320 , #400 , BA , HL GB : 1U , 1C , 1E , 1D , 2E , 2D , 2B , BA , 3# , 4# , 6# , 7# , 8# , TR , HL EN : 1C , 1E , 1D , 2C , 2E , 2D , 2B , 2R , 1G , 2G , 1J , 2J , 1K , 2K , 1P , 2P , 2F Others : Colored , Brush , Polishing , Etch , Embossed , Hammer , PVD Coating ,Color Mirror , Color Brush , Color Etch , Color Embossed , Color Hammer ...... |
| MOQ | 1T |
| Trade Term | EXW , FOB , CIF , CFR etc . |
| Payment Term | T/T , L/C , Cash , etc . |
| Delivery Time | 7-10 days |
| Certifications | SGS, ISO, etc . |
| Advantages | Attracting Price; High surface quality; First-rate service; Customer satisfaction is our eternal pursuit . |

| Grade | Chemical Composition | |||||||||
| ASTM | C≤ | Si≤ | Mn≤ | P≤ | S≤ | Ni | Cr | Mo | N | Cu |
| S20100 201 |
0.15 | 1.00 | 5.50-7.50 | 0.06 | 0.03 | 3.50-5.50 | 16.00-18.00 | ------- | 0.25 | ------- |
| S20200 202 |
0.15 | 1.00 | 7.50-10.00 | 0.06 | 0.03 | 4.00-6.00 | 17.00-19.00 | ------- | 0.25 | ------- |
300 Series
| Grade | Chemical Composition % | ||||||||||||
| ASTM | C≤ | Mn≤ | P≤ | S≤ | Si≤ | Cr | Ni | Mo | N | Cu | Others | ||
| S30100 301 |
0.15 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 6.0-8.0 | ----- | 0.10 | ----- | ----- | ||
| S30400 304 |
0.070 | 2.00 | 0.045 | 0.030 | 0.75 | 17.5-19.5 | 8.0-10.5 | ----- | 0.10 | ----- | |||
| S30403 304L |
0.030 | 2.00 | 0.045 | 0.030 | 0.75 | 17.5-19.5 | 8.0-12.0 | ----- | 0.10 | ----- | |||
| S30908 309S |
0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 22.0-24.0 | 12.0-15.0 | ----- | ----- | ----- | |||
| S31008 310S |
0.08 | 2.00 | 0.045 | 0.030 | 1.50 | 24.0-26.0 | 19.0-22.0 | ----- | ----- | ----- | |||
| S31600 316 |
0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | 0.10 | ----- | |||
| S31603 316L |
0.030 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | 0.10 | ----- | |||
| S31635 316Ti |
0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | 0.10 | ----- | Ti 5*(C+N) min, 0.70 max . Nb 10*C min , 1.10 max . |
||
| S32100 321 |
0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 17.0-19.0 | 9.0-12.0 | ----- | 0.10 | ----- | |||
400 Series
| Grade | Chemical Composition % | ||||||
| ASTM | C≤ | Mn≤ | P≤ | S≤ | Si≤ | Cr | Ni |
| S43000 430 |
0.12 | 1.00 | 0.04 | 0.030 | 1.00 | 16.0-18.0 | 0.75 |
Equivalents of Various Grades
| ASTM | JIS | DIN/BS/NF EN | GB/T | ISO |
| S20100 201 |
SUS201 | X12CrMnNiN17-7-5 1.4372 |
12Cr17Mn6Ni5N (1Cr17Mn6Ni5N) |
X12CrMnNiN17-7-5 |
| S20200 202 |
SUS202 | X12CrMnNi18-9-5 1.4373 |
12Cr18Mn9Ni5N (1Cr18Mn8Ni5N) |
----------- |
| S30100 301 |
SUS301 | X5CrNi17-7 1.4319 |
12Cr17Ni7 (1Cr17Ni7) |
X5CrNi17-7 |
| S30400 304 |
SUS304 | X5CrNi18-10 1.4301 |
06Cr19Ni10 (0Cr18Ni9) |
X5CrNi18-9 |
| S30403 304L |
SUS304L | X2CrNi19-11 1.4306 |
022Cr19Ni10 (00Cr19Ni10) |
X2CrNi19-11 |
| S30900 309 |
SUH309 | X12CrNi23-13 1.4833 |
16Cr23Ni13 (2Cr23Ni13) |
X12CrNi23-13 |
| S30908 309S |
SUS309S | X12CrNi23-13 1.4833 |
06Cr23Ni13 (0Cr23Ni13) |
X12CrNi23-13 |
| S31000 310 |
SUH310 | X15CrNiSi25-21 1.4841 |
20Cr25Ni20 (2Cr25Ni20) |
X8CrNi25-21 |
| S31008 310S |
SUS310S | X8CrNi25-21 1.4845 |
06Cr25Ni20 (0Cr25Ni20) |
X8CrNi25-21 |
| S31600 316 |
SUS316 | X5CrNiMo17-12-2 1.4401 |
06Cr17Ni12Mo2 (0Cr17Ni12Mo2) |
X5CrNiMo17-12-2 |
| S31603 316L |
SUS316L | X2CrNiMo17-12-2 1.4404 |
022Cr17Ni12Mo2 (00Cr17Ni14Mo2) |
X2CrNiMo17-12-2 |
| S31635 316Ti |
SUS316Ti | X6CrNiMoTi17-12-2 1.4571 |
06Cr17Ni12Mo2Ti (0Cr18Ni12Mo3Ti) |
X6CrNiMoTi17-12-2 |
| S32100 321 |
SUS321 | X6CrNiTi18-10 1.4541 |
06Cr18Ni11Ti (0Cr18Ni10Ti) |
X6CrNiTi18-10 |
| S41008 410S |
SUS410S | X6Cr13 1.4000 |
06Cr13 (0Cr13) |
X6Cr13 |
| S41000 410 |
SUS410 | X12Cr13 1.4006 |
12Cr13 (1Cr13) |
X12Cr13 |
| ----------- | SUS410J1 | ----------- | 12Cr13 (1Cr13) |
----------- |
| S42000 420 |
SUS420J1 | X20Cr13 1.4021 |
13Cr13Mo (1Cr13Mo) |
X20Cr13 |
| S42000 420 |
SUS420J2 | X30Cr13 1.4028 |
30Cr13 (3Cr13) |
X30Cr13 |
| S43000 | SUS430 | X6Cr17 1.4016 |
10Cr17 (1Cr17) |
X6Cr17 |
| S32205 2205 |
----------- | X2CrNiMoN22-5-3 1.4462 |
022Cr23Ni5Mo3N | X2CrNiMoN22-5-3 |
| S32750 2507 |
----------- | X2CrNiMoN25-7-4 1.4410 |
022Cr25Ni7Mo4N | X2CrNiMoN25-7-4 |
| 904L | SUS890L | X1NiCrMoCu25-20-5 1.4539 |
00Cr20Ni25Mo4.5Cu | ----------- |




ASTM : No.1 , No.2D , No.2B , Bright Annealed , No. 3 , No. 4 , No.6 , No. 7 , No. 8 , TR ;
JIS : No.1 , No.2D , No.2B , No. 3 , No. 4 , #240 , #320 , #400 , BA , HLGB : 1U , 1C , 1E , 1D , 2E , 2D , 2B , BA , 3# , 4# , 6# , 7# , 8# , TR , HL
EN : 1C , 1E , 1D , 2C , 2E , 2D , 2B , 2R , 1G , 2G , 1J , 2J , 1K , 2K , 1P , 2P , 2F
Others : Colored , Brush , Polishing , Etch , Embossed , Hammer , PVD Coating ,Color Mirror , Color Brush , Color Etch ,
Color Embossed , Color Hammer ......

fulfill client material requests. Whether you need a standard sheet or a custom diamond tread sheet and expanded metal product,
we have the inventory and sourcing capabilities to get the job done.

Products.Aluminum products.Galvanized Steel Products etc.good prices 316l Stainless steel plate.304 321 Stainless steel plate
Company Profile
Zhongzheng Stainless Steel Co., Ltd. was established in 2018 with aregistered capital of 20 million yuan. lt is a manufacturing company thatintegrates the production of special materials, manufacturing andprocessing, sales, and technology development. The company covers anarea of 2,000 square meters and has 200 employees. it has built worldclass stainless steel seamless pipe (hot piercing, cold drawing, cold rollingproduction lines, precision steel pipe production lines, and large, mediumand small-sized welded pipe production lines. The company has beencommitted to providing high performance, high precision, hightemperature-resistant, high pressure-resistant, and corrosion-resistantsolutions and technical services for industrial equipment pipeline systems.The company specializes in producing a series of steel pipes, pipe fittingsflanges, etc., such as high-temperature (nickel-based) alloys, austeniticduplex steel, urea grade stainless steel, super stainless steel, etc. Thecompany is equipped with an annual production capacity of 5,000 tons ofstainless steel seamless pipe production line, 7,000 tons of welded pipeproduction line, and 500 tons of pipe fittings production line, etc. lt canoroduce stainless steel seamless pipes with diameters ranging from Φ6 toΦ762 and wall thicknesses ranging from 0.5 to 70 mm, stainless steelwelded pipes with diameters ranging from Φ15 to Φ2200 and wallthicknesses ranging from 0.5 to 80 mm, pipe fittings, and various stainlesssteel ingots, round steel, rough pipes, etc., according to customerrequirements and in accordance with standards such as GB, ASTM, etc.

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