ASTM A312 TP304 stainless steel welded tubes are mainly composed of chromium, nickel and other elements. They have good corrosion resistance and can resist the erosion of most acids, alkalis, salts and other chemical substances.
The production process of A312 TP304 stainless steel welded tubes mainly includes hot rolling, cold rolling, welding, polishing and other steps. Among them, hot rolling and cold rolling are the main forming processes. Through high temperature or room temperature rolling, the stainless steel sheet is turned into the required tube shape. The welding process is used to connect different pipe sections. Common welding methods include argon arc welding, TIG welding, etc. Finally, through polishing, the surface of TP304 erw stainless steel pipe is smooth and shiny.
Products Data
Chemical Composition of ASTM A312 TP304 stainless pipe welding
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 304 | min. | - | - | - | - | - | 18.0 | - | 8.0 | - |
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||
Mechanical Properties of ASTM A312 TP304 Stainless Steel Welded Pipes
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 304 | 515 | 205 | 40 | 92 | 201 |
Products display
ASTM A312 TP304 ERW SS pipe
Why Choose GNEE
GNEE is a professional trading company, engaged in steel industry for more than 16 years, specializing in seamless steel pipe, oil casing/drill pipe, galvanized steel pipe, stainless steel pipe, ERW/SSAW/LSAW/welded pipe.
We strictly implement ISO 9001,2008 quality assurance system, and will provide all certificates and third-party inspections such as MTC, API, ABS, ISO9001, SGS BV, etc. according to customer requirements.
If any question,please contact with us freely by E-mail or Telephone.sales@gneetube.com
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FAQ
Q. What are the advantages of your company?
A: We have many professionals, technicians, more competitive prices than other stainless steel companies and the best after-sales service.
Q. How many countries do you export to?
A: Export to more than 50 countries, mainly from the United States, Kazakhstan, the United Kingdom, Kuwait, Egypt, Turkey, Jordan,India, etc.
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