Stainless Steel

Stainless Steel has been used in many different industries such as medical, food industry, and offshore drilling and is known for its excellent rust resistance. American Steel and Aluminum Carries some of the most common grades like 304, 304L, 316 ,316L and 430. Each grade has its advantages and disadvantages. Let us help select the best grade for your job. Don’t see the grade you are looking for? Give us a call our relationships with mills means that a grade you want could be a call away.

Grade 304 ASTM A240/A240M, UNS S30400

Chemical Composition %

Carbon: .07    Manganese: 2.00    Phosphorus: .045    Sulfur: .030    Silicon: .75    Chromium: 17.5-19.5    NIckel: 8-10.5 Molybdenum: * * *    Nitrogen: .10    Copper: * * *

Mechanical Requirements

Tensile Strength min: 75ksi, 515mpA

Yield Strength min: 30 ksi, 205 mpA

Elongation in 2″ : 40%

Hardness Max: Brinell 201, Rb 92 (typical Rb of 80 to 86 is expected)

Grade 304L ASTM A240/A240M, UNS S30403

Chemical Composition %

Carbon: .03    Manganese: 2.00    Phosphorus: .045    Sulfur: .030    Silicon: .75    Chromium: 17.5-19.5    NIckel: 8-12 Molybdenum: * * *    Nitrogen: .10    Copper: * * *

Mechanical Requirements

Tensile Strength min: 70ksi, 485mpA

Yield Strength min: 25 ksi, 170 mpA

Elongation in 2″ : 40%

Hardness Max: Brinell 201, Rb 92 (typical Rb of 80 ti 86 is expected)

Grade 316(316L) ASTM A240/A240M, UNS S31600

Chemical Composition %

Carbon: .08(.03)    Manganese: 2.00    Phosphorus: .045    Sulfur: .030    Silicon: .75    Chromium: 16.0-18.0    Nickel: 10-14 Molybdenum: 2.00-3.00    Nitrogen: .10    Copper: * * *

Mechanical Requirements

Tensile Strength min: 75ksi(70ksi), 515mpA

Yield Strength min: 30 ksi, 205 mpA

Elongation in 2″ : 40%

Hardness Max: Brinell 217, Rb 95