UNS S31803, S32304, S32750, S32507, S31050 24in ASTM A790 S31803
Duplex Stainless Steel Pipes
Stainless Steel: 304 Tubing, 316/ 316L/ 316H, 317/ 317L, 309S/
310H, 310S/ 310H, 321/321H, 347/ 347H
Duplex Stainless Steel: UNS S31803, S32304, S32205, S32750, S32507,
S31050, S33207, S32101
Super Austenitic: 6 Moly, 825, 904L, 800/ 800H, N08811
Super Ferritics/ Ferritics: 29-4C, S44627, 439, 444, 446
Markets We Serve:
Oil & Gas, Power Generation, Chemical, Petrochemical, Food & Dairy,
Beverage, Pharmaceutical, Biopharmaceutical, General Commercial,
Specialty Automotive
We always seek and improve our service as per requirement of our
valued customers.
Basic Info.
| Name | High Quality seamless and welded stainless steel pipe |
| Standard | ASTM A554,ASTM A312 |
| Material Grade | 201,202,304,304L,316,316L,430,309S,310S,410,420,2205,2507,904L,321,301,310 |
| Main Material | a) 201 (Ni0.8%-1%)
b) 202 (Ni: 3.0%-4.0%)
c) 304 (Ni: 8% Cr: 18%)
d) 316 (Ni: 10% Cr: 18%) |
| Size Range | 139mm-1600mm ETC. |
| Thickness | 0.5-60mm |
| Length | 6m or as customers' request |
| Tolerance | a) Outer Diameter: +/- 0.2mm
b) Thickness: +/- 0.02mm
c) Length: +/- 5mm |
| Surface | 180G, 320G Satin/Hairline
400G, 600G Mirror finish |
| Application | handrail,railing, staircase, weldmesh screen,door,window,
balcony,fence,bench,furniture,etc |
| Test | Squash test, extended test, water pressure test, crystal rot test,
heat treatment, NDT |
Zheheng steel Co.,Ltd is a professional supplier and stocker of
stainless steel pipe and tube with our own factory. The factory
covers a land area of 135,000 square meters with more than 200
employees, we have an annual capacity of 20000 tons with
professional and advanced production equipment. We have 3 seamless
steel pipe production lines for size 1/2" to 24" and 20 welded pipe
production lines for size 1/2"-80". In order to better we also
supply other products such as carben steel pipe,pipe fittings etc.
Our product range covers all available standards and grades. We
have daily stock available for servicing our global EPC clients,
including:
Austenitic,Duplex Stainless Steel pipe,Alloy steel pipe,Casing
steel pipe, Fittings, Flanges.As a professional supplier, we can
supply the products as your sample, drawing or other request.
| Kinds of pipes | Staineless steel polished pipe,Stainless steel welded
pipe,Stainless steel sanitary pipe,Stainless steel precise
pipe,Stainless steel heavy thickness pipe,Stainless steel thin
thickness pipe,Nickel alloy pipe,Urea stainless steel pipe,etc. |
| Size | O.D:2mm to 1067mm,Thickness:0.2mm to 30mm. |
| Application | Petroleum, chemical, pharmaceutical, food, machinery, aerospace,
construction, military, hardware, gas boilers, plumbing devices,
ships, power plants and other industry. |
| Steel name | EN | ASTM | UNS | ISO | C | N | Cr | Ni | Mo | Others |
| LDX2101® | 1.4162 | - | S32101 | 4162-321-01-E | 0.03 | 0.22 | 21.5 | 1.5 | 0.3 | 5Mn Cu |
| Duplex | 23041 | 1.4362 | - | S32304 | 4362-323-04-I | 0.02 | 0.10 | 23.0 | 4.8 | 0.3 | Cu |
| 2205 | 1.4462 | - | S322052 | 4462-318-03-I | 0.02 | 0.17 | 22.0 | 5.7 | 3.1 | 3Mn Cu |
| LDX 2404® | 1.4662 | - | S82441 | 4662-824-41-X | 0.02 | 0.27 | 24.0 | 3.6 | 1.6 | |
| 4501 | 1.4501 | - | S32760 | 4501-327-60-I | 0.02 | 0.27 | 25.4 | 6.9 | 3.8 | W Cu |
| 2507 | 1.4410 | - | S32750 | 4410-327-50-E | 0.02 | 0.27 | 25.0 | 7.0 | 4.0 | |
| Austenitic | 4307 | 1.4307 | 304L | S30403 | 4307-304-03-I | 0.02 | | 18.1 | 8.1 | | |
| 4404 | 1.4404 | 316L | S31603 | 4404-316-03-I | 0.02 | | 17.2 | 10.1 | 2.1 | |
| 904L | 1.4539 | 904L | N08904 | 4539-089-04-I | 0.01 | | 20.0 | 25.0 | 4.3 | 1.5Cu |
| 254 SMO® | 1.4547 | - | S31254 | 4547-312-54-I | 0.01 | 0.20 | 20.0 | 18.0 | 6.1 | Cu |
FAQ
Q: What kind of work does your company do?
A: Our company is a professional manufacturer.We mainly produces
stainless steel sheet, stainless steel coil, stainless steel pipe,
stainless steel bars and so on.
Q: How can you assure your quality?
1.We can provide you certificate of quality accordingly.
2.We are willing to accept the third party inspection, such as
SGS,BV,CE and so on.
Q: Can you accept customization?
Yes. If you have special requirements on products or packages, we
can do customization for you.
Q: Can you accept trail orders?
Gemerally our MOQ is 1 ton. But if you want to place a trail order
as the beginning of our cooperation, we can accept smaller quantity
at frist. Surely we will have further and longer partnership after
the beginning.
Q: Can you provide samples for checking before order?
A: Free samples can be provided as you required. You need only to
bear the freight cost.
