|
MECHANICAL COMPOSITION ( IN PERCENTAGE ) |
||||||||||
|
Grade |
Tensile |
Yield |
%Age |
Hardness (Max) |
Why We Use | |||||
|
BHN |
Rb |
|||||||||
|
301 |
515 |
205 |
40 |
217 |
95 |
High work-hardening rate; used for structural applications, railcars, and automotive trims. | ||||
|
304 |
515 |
205 |
40 |
201 |
92 |
Most common stainless steel; excellent corrosion resistance; used in kitchenware, tanks, etc. | ||||
|
304L |
485 |
170 |
40 |
201 |
92 |
Low carbon for better weldability; used in welded structures, food processing equipment. | ||||
|
310S |
515 |
205 |
40 |
217 |
95 |
Heat-resistant alloy; used in furnace parts, heat exchangers, and high-temp environments. | ||||
|
316 |
515 |
205 |
40 |
217 |
95 |
Better corrosion resistance due to molybdenum; ideal for marine & chemical applications. | ||||
|
316L |
485 |
170 |
40 |
217 |
95 |
Low carbon version for welding; used in pharmaceutical, chemical, and marine industries. | ||||
|
317 |
515 |
205 |
35 |
217 |
95 |
Higher molybdenum for improved pitting resistance; used in paper and pulp industries. | ||||
|
317L |
515 |
205 |
40 |
217 |
95 |
Low carbon version of 317; offers high corrosion resistance and weldability for chemical plants. | ||||
|
321 |
515 |
205 |
40 |
217 |
95 |
Stabilized with titanium; resists intergranular corrosion; used in aerospace and exhaust systems. | ||||
|
347 |
515 |
205 |
40 |
201 |
92 |
Stabilized with niobium; ideal for high-temperature environments and welded components. | ||||
|
409 |
380 |
170 |
20 |
179 |
88 |
Low-cost ferritic grade; mainly used in automotive exhaust systems. | ||||
|
409M |
430 |
275 |
20 |
187 |
90 |
Modified 409 grade with improved strength; also used in automotive exhaust. | ||||
|
410S |
415 |
205 |
22 |
183 |
89 |
Martensitic stainless steel with good corrosion resistance; used in cutlery and valves. | ||||
|
410 |
450 |
205 |
20 |
217 |
89 |
General-purpose martensitic stainless steel; used in knives, tools, and medical instruments. | ||||
|
420 |
700( max ) |
- |
15 |
217 |
95 |
High hardness and wear resistance; commonly used in cutlery and surgical instruments. | ||||
|
430 |
450 |
205 |
22 |
183 |
89 |
Ferritic stainless steel; good corrosion resistance and formability for automotive trims, appliances. | ||||
|
JSL AUS |
515 |
205 |
40 |
217 |
95 |
High-quality Australian grade; used for corrosion-resistant applications and structural parts. | ||||
|
JS- 203 |
515 |
205 |
40 |
217 |
95 |
Popular grade with balanced strength and corrosion resistance; suitable for general fabrication. | ||||
|
301M |
515 |
205 |
40 |
217 |
95 |
High strength and excellent ductility; used in automotive and aerospace components. | ||||