Gnee pipe team
he main components of A182 F304L stainless steel flange include chromium, nickel, manganese, silicon and other elements. Among them, chromium accounts for a relatively high proportion, accounting for 18% to 20% of the total amount of stainless steel. Chromium can react with oxygen to form a dense oxide film, which plays an anti-corrosion role.
The hardness of A182 F304L flange is generally 85-90HB, the yield strength is ≥205MPa, the tensile strength is ≥515MPa, and the elongation is ≥30%. Its performance is closely related to its chemical composition, especially the content of molybdenum, titanium, niobium and other elements.
The characteristics of F304 stainless steel flange mainly include good corrosion resistance, high temperature resistance, wear resistance and toughness. In addition, A182 F304L stainless steel flange also has good weldability, processability and easy cleaning.
ASTM A182 F304 Flange Chemical Compostion and Properties
| C | Mn | Si | P | S | Cr | Ni | N | |
|---|---|---|---|---|---|---|---|---|
| 304 | 0.07max | 2.0max | 0.75max | 0.045max | 0.03max | min: 18.0 max: 20.0 | min: 8.0 max: 10.5 | - |
F304 Flange Mechanical and Physical Properties
| 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 |
ASTM A182 F304 Flange 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 | |||||
| 304/L/H | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
ASTM A182 Socket Weld Flange
ASTM A182 F304 Equivalent
| GRADE | WERKSTOFF NR./ DIN | UNS - America | JIS - Japan | BS - British | GOST - Russia | AFNOR | EN -European |
|---|---|---|---|---|---|---|---|
| A182 F304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
Gnee company covers an area of 35,000 square meters and has more than 200 employees, including 80 technical staff. We have established an effective and complete quality control and assurance system. The company has also obtained ISO9001 quality system certification.
Gnee Factory environment
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