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Do You Know What's The Difference Between SS 316,316L,316H,316Ti?

Edit: Shaanxi World Iron & Steel Co.,Ltd    Date: Sep 18, 2017

Do you know what's the difference between Stainless Steel 316,316L,316H,316Ti?

 SS 316,316L,316H,316Ti.jpg

SS 316,316L,316H,316Ti are both the 18/8 standard molybdenum-based Austenitic grades.

Stainless Steel Grade 316 is an Austenitic chromium-nickel stainless steel includes molybdenum. second stainless steel in importance to 304. The molybdenum gives 316 better overall corrosion resistant properties than Grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments.

Stainless Steel Grade 316L is a low carbon Austenitic chromium-nickel stainless steels with corrosion resistance same as type 316 however with resistance to intergranular corrosion following welding.

Stainless Steel Grade 316H is a higher carbon variation of 316 making the steel more suitable for use in applications where high temperatures are available. Balanced Grade 316Ti offers comparable qualities. The expanded carbon content delivers a greater tensile and yield strength. The Austenitic structure of the material also gives this grade excellent toughness, even down to cryogenic temperatures.

Stainless Steel Grade 316Ti is Titanium addition of 316 steel.This extension increases corrosion resistance, enhances resistance to pitting chloride ion solutions and give expanded strength at high temperatures.Corrosion resistance is enhanced, especially against sulfuric, hydrochloric, acetic, formic and tartaric acids, acid sulphates and alkaline chlorides.

In addition, their chemical composition and physical properties are also different shown below,These properties are specified for flat rolled product (plate, sheet and coil) in ASTM A240 and ASTM A167. tubes and pipes according to ASTM A213 and ASTM A149.Similar but not necessarily identical properties are specified for other products such as bar and forging products in their respective specifications.

Chemical Composition(%) and Mechanical Properties

Grade

C (max)

Si  (max)

P (max)

S  (max)

Mn (max)

Cr

Ni

Mo

316

0.08

0.75

0.045

0.030

2.0

16.0-18.0

10.0-14.0

2.0-3.0

316L

0.03

0.75

0.045

0.030

2.0

16.0-18.0

10.0-14.0

2.0-3.0

316H

0.04-0.10

0.75

0.045

0.030

2.0

16.0-18.0

10.0-14.0

2.0-3.0

316Ti

0.08

1.0

0.040

0.030

2.0

16.0-18.0

10.0-14.0

2.0-3.0

Grade

Tensile Strength (ksi)

0.2% Yield Strength (ksi)

Elongation% in 2 inches

316 / 316H / 316Ti

75

30

40

316L

70

25

40

Generally speaking,The biggest difference between them is the application. 316 is the basic material and used in reducing acids;316L is used corrosion resistance;316H is often used high temperature resistance;316Ti prevent intergranular corrosion because of adding element Titanium.

We stock extensive 316 stainless steel pipe,316L stainless steel pipe and other 300 series steel pipes. Or any 316 SS products needed,email to info@worldironsteel.com to learn more!

 



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