AISI 317L Stainless Steel Coil

317LStainless Steel Coil |East King

INTRODUCTION

317L(00Cr19Ni13Mo3, SUS317L) alloy is austenitic stainless steel based on molybdenum. Compared with the conventional cr-ni austenitic stainless steel such as 304 alloy, it has stronger resistance to chemical corrosion. In addition, compared with conventional stainless steel, 317L alloy has higher ductility, stress corrosion resistance, compressive strength and high temperature resistance. It is low carbon grade or L grade, which has resistance to sensitization during welding and heat treatment.

317L has excellent corrosion resistance in a variety of chemical environments, especially in acidic chloride environments, such as those found in pulp and paper mills. Compared with 316L stainless steel, the content of chromium, nickel and molybdenum increased, which improved the resistance to chloride pitting corrosion and total corrosion. The resistance increases with the increase of molybdenum alloy content. 317L is resistant to 5% sulfuric acid at temperatures up to 49 ° C (120 ° f). The alloy has excellent resistance to high concentrations of solutions at temperatures below 38 ° C (100 ° f). However, maintenance testing is recommended to consider the effects of specific operating conditions that may affect corrosion behavior.

MECHANICAL PROPERTIES

CHEMICAL COMPOSITION

APPLICATIONS

1.Superior seawater resistance and stress corrosion cracking (SCC) resistance compared to 316L.

2.Used in chemical ships, chemical reactors, and other equipment requiring high corrosion resistance.

SPECIFICATIONS

Cold-Rolled Sheet:

Surface finishes: 2B (BA), 8K mirror, gold plating.

Plate widths: 1219 x 2438 mm, 1500 x 3000 mm, 1219 x L, 1500 x L.

Thickness specifications: 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 1.2, 1.5, 2, 2.5, 3, 4, 4.5, 5, 6, 8 mm.

Hot Rolled Plate:

Sheet widths: 1500 x 6000 mm, 1000 x 6000 mm.

Thickness specifications: 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 24, 26, 28, 30, 32, 35, 36, 38, 40, 42, 45, 50, 55, 60, 70, 80 mm.

GENERAL PROPERTIES

（1）317L and 317LMN are molybdenum-containing austenitic stainless steels.

（2）Improved chemical corrosion resistance compared to conventional 304 stainless steel.

（3）Higher fracture stress and better ductility in high-temperature environments.

（4）Low carbon grades provide anti-sensitization during welding and heat treatment.

（5）Molybdenum and nitrogen enhance pitting resistance, especially in harsh environments.

CORROSION RESISTANCE

1.More resistant to sulfuric acid corrosion than conventional chromium-nickel stainless steels.

2.Can withstand up to 5% sulfuric acid at temperatures up to 120°F (49°C).

3.Excellent resistance at temperatures below 100°F (38°C) and to higher concentrations.

4.Application testing should consider specific operational factors affecting corrosion behavior.