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Stainless Steel
Stainless steel differs from carbon steel....
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Mechanical Properties
The mechanical properties of stainless steels ....
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Typical Applications
Stainless steels of various kinds are used in thousands of applications....
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Chemical Composition
Chemical Composition Chart Stainless Steel....
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Equivalent Grades
AISI, DIN, JIS Equivalent Grade Table....
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Stainless Steel Strip Tolerance
Stainless Steel Strip Tolerance in Thickness and width....
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Stainless Steel Strip Packaging
Stainless Steel Strips & Coils are packed in 50-4000 kgs coil....
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Chemical Composition
Home > Chemical Composition

 

Chemical Composition Chart

ALLOY C Mn Cr Mo Ni Fe Si P S Al Cu Zn OTHER
SST-202 0.12 5.5-
7.5
16-18 0.2 0.5-4.0 BAL 0.9 0.6 -- -- -- -- --
SST-304 0.08 2 18-20 -- 8-10.5 BAL 1 0.045 0.03 -- -- -- --
SST-304L 0.03 2 18-20 -- 40520 BAL 1 0.045 0.03 -- -- -- --
SST-316 0.08 2 16-18 40239 41913 BAL 1 0.045 0.03 -- -- -- --
SST-316L 0.03 2 16-18 40239 41913 BAL 1 0.045 0.03 -- -- -- --
SST-321 0.08 2 17-19 -- 40521 BAL 1 0.045 0.03 -- -- -- Ti 5 x C Min.
SST-330 0.08 2 17-20 -- 34-37 BAL .75-
1.5
0.03 0.03 -- 1 -- --
SST-347 0.08 2 17-19 0.75 41518 BAL 1 0.045 0.0003 -- 0.5 -- --
SST-410 0.15 1 11.5-
13.5
-- -- BAL 1 0.045 0.03 -- -- -- --
SST-430 0.12 1 16-18 -- -- BAL 1 0.045 0.03 -- -- -- --

303 - Free machining for use in automatic machining operations. High corrosion resistant

304 - The most widely used of the stainless steels. Offers good corrosion resistance to
many environments. Has good formability and can be readily welded.

309 - Used in high temperature applications. High scale resistance. Corrosion resistance superior to 304. Resists corrosion when welded.

316 - Better corrosion resistance as well as higher strength at elevated temperatures than 304. Often used for pumps, valves, chemical equipment and marine applications. Most popular of stainless steels.

409 - Lowest cost stainless - used extensively in automotive exhaust systems. Excellent formability and weldability. Because of its economy and good resistance to oxidation and corrosion, this stainless offer many opportunities for a wide range of parts.

410 - Heat-treatable stainless used widely where corrosion is not severe - air, fresh water, some chemicals and food acids.

416 - Free machining variation of 410 with useful corrosion resistance to natural food acids, basic salts, water and most atmospheres.

430 - Is the most popular of the non-hardenable chromium stainless steels. It combines good corrosion and heat resistance with good mechanical properties. Oxidation resistance to 1500 deg F widely used in both industrial and consumer products.