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Stainless Steel Grades

Stainless Steel Pipe & Tube Grades

Stainless 304

304 is an 18 percent chromium and 8 percent nickel grade of stainless steel. It is one of the most commonly used grades thanks to its useful mechanical properties and low cost. Data Sheet Technical Question?

Stainless 304/L

With 18 percent chromium and 8 percent nickel, 304/L is the most common stainless steel grade. 304/L is the low carbon version of 304. All tubular products are readily available in 304/L stainless steel Data Sheet Technical Question?

Stainless 304/H

Like standard 304/L, this grade is also an 18 percent chromium and 8 percent nickel stainless steel. This grade requires a minimum carbon content of .04. The higher carbon content gives 304/H greater heat resistant qualities, higher yield strength, and better short term and long term creep strength. Longer lead times could be required to deliver 304/H in some tubular forms. Data Sheet Technical Question?

Stainless 316

Alloys 316 and 316/L contain molybdenum to improve corrosion resistance. These grades have higher nickel content than 304/L stainless steel. Data Sheet Technical Question?

Stainless 316/L

This grade has more nickel than 304/L and includes molybdenum. 316/L has supplier corrosion resistance to 304/L in most instances.  316/L stainless steel is readily available in all product forms. Data Sheet Technical Question?

Stainless 317/L

317/L contains more molybdenum and has overall better corrosion resistance resistance than 304/304L and 316 and 316/L stainless steels. 317/L offers higher resistance to chloride pitting compared 304/L and 316/L. 317/L is available in seamless pipe. Other tubular products in 317/L can be provided, but a larger lead time could be required. Data Sheet Technical Question?

Stainless 309

309 stainless steel has good strength and resistance to oxidation at high temperatures. This grade has better overall corrosion resistance than 304 stainless steel. Data Sheet Technical Question?

Stainless 309/S

309/S has lower carbon content than regular 309 and is recommended for applications where sensitization and subsequent corrosion by high temperature gases or condensates during shutdown may pose a problem. In some cases, tubular products may be dual certified to 309 and 309/S. Data Sheet Technical Question?

Stainless 309/H

Stainless 309/H has a higher carbon content than regular 309. Oftentimes, 309/H and 309 are dual certified. Data Sheet Technical Question?

Stainless 310

This grade combines excellent high temperature properties with good ductility. 310 stainless is designed for high temperature service applications. In most applications, 310 stainless resists oxidation at high temperatures.  Data Sheet Technical Question?

Stainless 310/S

Stainless grade 310/S calls for lower carbon content than standard 310 stainless. In many cases, 310 and 310/S are dual certified. See full data sheet for comparison.  Data Sheet Technical Question?

Stainless 310/H

Stainless steel grade 310/H has higher carbon content and is often selected for high temperature applications. 310/H is used in environments that produce sulfur dioxide gas at high temperatures.  Data Sheet Technical Question?

Stainless 321

321 Stainless Steel is an austenitic chromium-nickel stainless steel that contains titanium. This is best for use in welded parts that cannot be annealed. Data Sheet  Technical Question?

Stainless 321/H

321/H grade stainless steel is the higher carbon version of grade 321. It possesses enhanced creep resistance and higher strength at temperatures above 10,000F (537°C). Usually, the plate’s carbon content allows dual certification. Data Sheet  Technical Question?

Stainless 347

347 Stainless Steel is a stabilized austenitic stainless steel similar to type 304, but it also contains columbium and tantalum.  Data Sheet Technical Question?

Stainless 347/H

347/H Stainless Steel is a columbium-stabilized austenitic stainless steel plate. It has good general corrosion resistance, as well as slightly better resistance in strong oxidizing conditions than grade 321. Data Sheet  Technical Question?

Stainless 410

410 Stainless Steel  is a general purpose, 12% chromium, martenistic stainless steel with a wide range of mechanical properties. It has excellent corrosion resistance, in addition to high strength and hardness.
Data Sheet Technical Question?

Stainless 410/S

Alloy 410/S is the low carbon version of Alloy 410. The lower carbon content prevents hardening and cracking when exposed to high temperatures or welding.  Data Sheet Technical Question?

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