ASTM A789 steel pipes are produced by seamless process or welding method without filler metal.
ASTM A789 stainless steel round pipes also include grades such as S31803, S32250, S32750, S32760, S31500, etc.
ASTM A789 stainless steel pipes are widely used in chemical, petroleum, natural gas, pharmaceutical, food processing and other fields that require corrosion resistance due to their excellent corrosion resistance, fatigue performance and comprehensive mechanical properties.
Products Data
Chemical Composition:
| UNS Designation |
Composition, % | ||||||||||
| C Max |
Mn max |
P max |
S max |
Si max |
Ni | Cr | Mo | N | Cu | Others | |
| S31803 | 0.03 | 2 | 0.03 | 0.02 | 1 | 4.5-6.5 | 21.0-23.0 | 2.5-3.5 | 0.08-0.20 | . . . | . . . |
| S32205 | 0.03 | 2 | 0.03 | 0.02 | 1 | 4.5-6.5 | 22-23 | 3.0-3.5 | 0.14-0.20 | . . . | . . . |
| S31500 | 0.03 | 1.20-2.00 | 0.03 | 0.03 | 1.40-2.0 | 4.3-5.2 | 18-19 | 2.5-3.0 | 0.05-0.10 | . . . | . . . |
| S32550 | 0.04 | 1.5 | 0.04 | 0.03 | 1 | 4.5-6.5 | 24-27 | 2.9-3.9 | 0.10-0.25 | 1.50-2.50 | . . . |
| S31200 | 0.03 | 2 | 0.045 | 0.03 | 1 | 5.5-6.5 | 24-26 | 1.-2.0 | 0.14-0.20 | . . . | . . . |
| S31260 | 0.03 | 1 | 0.03 | 0.03 | 0.75 | 5.5-7.5 | 24-26 | 2.5-3.5 | 0.10-0.30 | 0.20-0.80 | W 0.10-0.50 |
| S32001 | 0.03 | 4.0-6.0 | 0.04 | 0.03 | 1 | 1.0-3.0 | 19.5-21.5 | 0.6 | 0.05-0.17 | 1.00 max | . . . |
| S32304 | 0.03 | 2.5 | 0.04 | 0.04 | 1 | 3.0-5.5 | 21.5-24.5 | 0.05-0.60 | 0.05-0.20 | 0.05-0.60 | . . . |
| S32750 | 0.03 | 1.2 | 0.035 | 0.02 | 0.8 | 6.0-8.0 | 24-26 | 3.0-5.0 | 0.24-0.32 | 0.50max | . . . |
| S32760 | 0.05 | 1 | 0.03 | 0.01 | 1 | 6.0-8.0 | 24-26 | 3.0-4.0 | 0.20-0.30 | 0.50-1.00 | W 0.50-1.00 |
| S32950 | 0.03 | 2 | 0.035 | 0.01 | 0.6 | 3.5-5.2 | 26-29 | 1.0-2.5 | 0.15-0.35 | . . . | . . . |
| S32520 | 0.03 | 1.5 | 0.035 | 0.02 | 0.8 | 5.5-8.0 | 23-25 | 3.0-5.0 | 0.20-0.35 | 0.8 | . . |
Standard: ASTM A789/A789M, ASME SA789
Seamless pipe & Tube Size: 1/2" to 8"
Welded pipe & Tube Size: 6" to 24"
Outer Diameter: 6.0-630mm
Schedules: 10s, 20, 40s, 40, 60, 80s, 80, 100, 120, 140, 160, XXH
Wall Thickness: 1mm to 50mm
Products display
ASTM A789 Duplex steel tube
Why Choose GNEE
GNEE has ISO9001-2000 quality management system and ISO14001 environmental protection system. It has formed a business mainly based on carbon steel and stainless steel pipes, covering pipes, profiles, plates and other products. It is exported to more than 60 countries and regions including Russia, Canada, India, Brazil, Southeast Asia, etc.
If you would like to know more about our company or our products, please feel free to contact us.sales@gneetube.com
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FAQ
Q.Why choose Gnee?
A.With us, you will get the most competitive price, guaranteed quality, guaranteed delivery and after-sales service.
Q.Can your products be customized?
A.We can make most arades and specifications.meet your different requirement.
Q: Do you have quality control system?
A: Yes, we have our own quality control laboratory.Third party testing servicesare also available.
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