A182 F321 Socket Welding Flanges material grade: F321
The standard of A182 F321 Socket Welding Flanges is applicable to forged or rolled alloy steel pipe flanges, forged pipe fittings, valves and parts for ASTM A182/A182M (2009) high-temperature equipment, so there are many introductions about A182 material flanges on our website
The steel group to which this material belongs: heat-resistant stainless steel
Note on A182 F321 Socket Welding Flanges material: a182 is the executive standard, f321 is the material grade, where f refers to forging and rolling. Among them, F321 belongs to Ni Cr Ti type austenitic stainless steel, which has abrasion resistance, high temperature resistance, creep resistance, etc. It is used to manufacture lining and transmission pipeline of wear-resistant acid vessels and wear-resistant equipment. Ti in F321 stainless steel exists as a stabilizing element, but it is also a heat strength steel, which is much better than 316L in high temperature. Therefore, flanges made of this material are widely used in large projects. Flanges made of this material are mainly produced in large size. Flanges made of this material we usually receive are also large size flanges in some oil and gas projects.
This flange standard is generally applicable to: ASTM A182/A182M (2009) forged or rolled alloy steel pipe flanges, forged pipe fittings, valves and parts for high-temperature equipment.
Next, we will introduce the chemical composition of F321:
Carbon C: ≤ 0.08 Silicon Si: ≤ 1.00 Manganese Mn: ≤ 2.00 Sulfur S: ≤ 0.030 Phosphorus P: ≤ 0.035 Chromium Cr: 17.00 ～ 19.00 Nickel Ni: 9.00 ～ 12.00 Titanium Ti: ≥ 5 × C%
From its chemical composition, the purchaser of A182 F321 Socket Welding Flanges can see that the performance of this flange is very good.
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