SUS403 Stainless Steel | SUS403 | SS403
SUS403 Stainless Steel | SUS403 | SS403  Stainless Steel Malaysia, Selangor, Kuala Lumpur (KL), Klang Supplier, Suppliers, Supply, Supplies | E STEEL SDN. BHD.

We are the Leading Supplier of Stainless Steel SUS403.  
Grade 403 Stainless Steel (SS403) is the basic martensitic stainless steel; like most non-stainless steels it can be hardened by a “quench-and-temper” heat treatment. 

We supply and export to Singapore , Indonesia , Brunei and other ASEAN Countries.  
Our specialty is to provide wide range of stainless steel
 with no minimum order (MOQ).

E Steel supply Stainless Steel 403 (SUS403, SS403) Round Bars and Rods, Stainless Steel 403 (SUS403, SS403) Plates and Sheets. 


Stainless Steel SUS403 Suppliers - SUS403 , SS403 , UNS S40300 , DIN 1.4024 , AISI 403 

Stainless Steel 403 (1.4024) is the basic martensitic stainless steel; like most non-stainless steels it can be hardened by a “quench-and-temper” heat treatment. It contains a minimum of 11.5 per cent chromium, just sufficient to give corrosion resistance properties. It achieves maximum corrosion resistance when it has been hardened and tempered and then polished. SUS403 is a general purpose grade often supplied in the hardened, but still machinable condition, for applications where high strength and moderate heat and corrosion resistance are required.

SUS403 Stainless Steel : 

Type Martensitic Stainless Steel
Designations France: AFNOR Z 12 C 13M
Germany: DIN 1.4024
Japan: JIS SUS 403 , JIS SUS 416
United Kingdom: B.S. 420 S 29 , B.S. En. 56 B
United States: AMS 5611 , AMS 5612 , ASTM A176 , ASTM A276 , ASTM A314 , ASTM A473 , ASTM A479 , ASTM A511 , ASTM A580 , FED QQ-S-763 , MIL SPEC MIL-S-862 , SAE 51403 , SAE J405 (51403) , UNS S40300


Chemical Composition of SUS403 , AISI 403 

The table below shows the chemical composition of the AISI 403 Stainless Steel : 

Element Content (%) 
Iron , Fe 86
Chromiun , Cr 12.3
Silicon , Si 0.50
Carbon , C 0.15
Phosphorous , P 0.040
Sulfur , S 0.030
Carbon , C  0.15

Mechanical Properties of Stainless Steel SS403 

Properties  Metric  Imperial 
Tensile strength 485 MPa 70300 psi
Yield strength (@strain 0.200 %) 310 MPa 45000 psi
Fatigue Strength (annealed, @diameter 25mm/0.984 in) 275 MPa 39900 psi
Shear modulus (typical for steel) 76.0 GPa 11000 ksi
Elastic modulus 190-210 GPa 27557-30458 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30
Elongation at break (in 50 mm) 25.00% 25.00%
Izod impact (tempered) 102 J 75.2 ft-lb
Hardness, Brinell (converted from Rockwell B hardness) 139 139
Hardness, Knoop (converted from Rockwell B hardness) 155 155
Hardness, Rockwell B 80 80
Hardness, Vickers (converted from Rockwell B hardness) 153 153


Corrosion Resistance of AISI 403 Stainless Steel 

SUS403 resists dry atmosphere, fresh water, mild alkalies and acids, food, steam and hot gases. Must be hardened for maximum heat and corrosion resistance. Performance is best with a smooth surface finish. Less corrosion resistant than the austenitic grades and also less than 17% chromium ferritic alloys such as SUS430.

Applications of SS403 Stainless Steel 

Typical applications include:

·         Bolts & Nults

·         Screws

·         Bushings

·         Pump and valve parts and shafts

·         Steam and gas turbine parts

·         Petroleum fractionating towers

·         Mine ladder rungs


Our Sales & Supplier Network

Australia, Pakistan, Malaysia, Taiwan, China, Vietnam, Belgium, Japan, South Korea, Philippines, France, United Kingdom, Indonesia, Thailand, Hong Kong, Sweden, United States, Dubai, Finland, Brunei, Germany & etc.

E Steel is the Global Metal Procurement Company in providing and sourcing raw materials to a variety of engineering industries and sectors. We work as an online B2B Metal Marketplace to help our customers in finding the required steels that are difficult to source locally.


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