GNEE, as a professional supplier of ASTM A358 stainless steel pipes, exports 20 tons of stainless steel pipes to foreign markets every year. ASME SA358 321H stainless steel EFW pipe is a high-strength, high-temperature resistant austenitic stainless steel pipe suitable for various high-temperature and corrosive environments. It can maintain good mechanical properties at temperatures up to 870°C and is particularly suitable for applications in high-temperature environments.
ASME SA358 321H EFW stainless steel pipe supplied by GNEE adds titanium to chromium-nickel stainless steel to prevent intergranular corrosion, especially during welding, to prevent intergranular corrosion in the heat-affected zone after welding. It is commonly used in the manufacture of steel pipes and pipe fittings such as boiler superheaters, heat exchangers, condensers, catalytic tubes, cracking tube units, etc.
Products Data
ASTM A358 321H Stainless Steel Pipe Chemical Composition
Chromium (Cr): 17-19%
Nickel (Ni): 9-12%
Carbon (C): 0.04-0.10%
Manganese (Mn): ≤ 2%
Silicon (Si): ≤ 0.75%
Phosphorus (P): ≤ 0.045%
Sulfur (S): ≤ 0.03%
Titanium (Ti): ≥ 5xC%
ASTM A358 Grade 321H EFW Pipe Physical Properties
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nΩ.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 321H | 8027 | 193 | 16.6 | 17.2 | 18.6 | 16.1 | 22.2 | ||
Products display
ASTM A358 TP 321H Stainless Steel Pipe
Why Choose GNEE
1.SGS and ISO9001 certified.
2.Extra long time industry experience
3.Management system - in-house software
4.Finished goods inventory-over 450 tonnes.
5.Raw material inventory-over 700 tonnes.
We have stable supply, fast delivery and responsible after-sales service, so our products are widely praised.sales@gneetube.com
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FAQ
Q. What are your company's main products?
A: Our main products are stainless steel round tubes/square tubes, etc.
Q. What are your company's advantages?
A: We have many professionals, technicians, more competitive prices than other stainless steel companies, and better after-sales service.
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