Stirlings Australia Global Metals Distributor, is located in Perth, Western Australia, and is an stockist distributor of stainless steel long, flat and fluid products and facilitator of value-added services. Established in 1986 as Stirling Metals, we're recognised as a leading stockist for quality stainless steel and copper nickel products. We're committed to providing innovative product and supply solutions to cater to each of our customer's stainless steel needs.
Stirlings Australia's success has been a result of years of building strong relationships and expert understanding within the industries we service. The main industries we supply to are; Architecture, Building & Construction, Food and Beverage, General Fabrication/Engineering, Marine and Shipbuilding, Resources and Construction and Wine.
As a continually improving and customer focused company Stirlings Australia is driven by a well-integrated system of people, technology, and innovative business approaches. We strive to make doing business with us easy for every customer, near or far, big or small, new or old. We believe in employing strategies such as enabling, making and delivering on promises. Most of all, we believe in our vision, aiming to be a world leader in providing our customers with excellent value, top quality products & outstanding service.
Stirlings Australia also has a dedicated team of project consultants, specialising in project supply management. With expertise in customising supply requirements to meet specific project needs and deadlines, we also pride ourselves in delivering felxible, reliable and efficient service with cost-effectiveness in mind. Supported by an established network of international partners and logistics companies, we act as your company's stainless steel supply division, working with you to ensure the success of your project.
Chemical Composition of Common Stainless Steels
The grade and type of commonly used stainless steels with its composition is as follows:
Table 1. Commonly used stainless steels chemical composition
|
303
|
Austenitic
|
S30300
|
.15 Max
|
2.0 Max
|
8.5
|
18.0
|
0.6 Max
|
.20 Max
|
.15 Min
|
1.0 Max
|
|
304
|
Austenitic
|
S30400
|
.08 Max
|
2.0 Max
|
9.0
|
19.0
|
|
.045 Max
|
.3
|
1.0 Max
|
|
304L
|
Austenitic
|
S30403
|
.03 Max
|
2.0 Max
|
9.0
|
19.0
|
|
.045 Max
|
.03 Max
|
1.0 Max
|
|
316
|
Austenitic
|
S31600
|
0.8 Max
|
2.0 Max
|
12.0
|
17.0
|
2.5
|
.045
|
.03
|
1.0 Max
|
|
316L
|
Austenitic
|
S31603
|
.03 Max
|
2.0 Max
|
12.0
|
17.0
|
2.5
|
.045
|
.03
|
1.0 Max
|
|
316Ti
|
Austenitic
|
S31635
|
.08 Max
|
2.0 Max
|
11.0
|
17.0
|
2.5
|
.045
|
.03
|
1.0 Max
|
Ti 0.5
|
317L
|
Austenitic
|
S31703
|
.03 Max
|
2.0 Max
|
13.0
|
19.0
|
3.5
|
.045
|
.03 Max
|
1.0 Max
|
|
310
|
Austenitic
|
S31000
|
.25 Max
|
2.0 Max
|
20.0
|
25.0
|
|
.045
|
0.3 Max
|
1.5
|
|
321
|
Austenitic
|
S32100
|
.08 Max
|
2.0 Max
|
10.5
|
18.0
|
|
.045 Max
|
.03 Max
|
1.0 Max
|
Ti0.5 min
|
253MA
|
Austenitic
|
S30815
|
.10
|
0.8 Max
|
11.0
|
21.0
|
|
0.04
|
.03 Max
|
2 Max
|
N .18 Ce .15
|
904L
|
Austenitic
|
N08904
|
.02
|
2.0 Max
|
25.5
|
21.0
|
4.5
|
.045
|
.03
|
1 Max
|
Cu 1.5
|
420C
|
Martensitic
|
S42000
|
.15 Min
|
1.0 Max
|
2.0
|
16.0
|
|
.04 Max
|
.03 Max
|
1.0 Max
|
|
431
|
Martensitic
|
S43100
|
.20 Max
|
1.0 Max
|
2.0
|
16.0
|
|
.04 Max
|
.03 Max
|
1.0 Max
|
|
17-4 PH (630)
|
Martensitic
|
S17400
|
.07
|
1.0
|
4.0
|
16.0
|
|
.04
|
.03
|
1 Max
|
Cu 4 Nb + Ta .3
|
440C
|
Martensitic
|
S44004
|
1.0
|
1.0 Max
|
1.0
|
18.0
|
0.75 Max
|
.04 Max
|
.03 Max
|
1.0 Max
|
|
444
|
Ferritic
|
S44400
|
.02
|
1.0
|
1.0
|
18.5
|
2.0
|
.04
|
.03
|
1.0
|
Ti 0.4
|
3CR12
|
Ferritic
|
S1.4003
|
.03
|
1.5
|
1
|
11.5
|
|
.04
|
.03
|
1.0
|
Ti 4(C+N)
|
2205
|
Duplex
|
S31803
|
.03
|
2.0 Max
|
5.5
|
22.0
|
3.0
|
.03
|
.02
|
1.0
|
N 0.15
|
Mechanical Properties and Applications of Stainless Steels
The mechanical properties and applications of commonly used stainless steels are as follows:
Table 2. Mechanical properties of commonly used stainless steels and its applications
|
240
|
585
|
160
|
84
|
50
|
50
|
Annealed
|
Free machining steel used where extensive machining is required. Corrosion resistance and weldability inferior to 302.
|
205
|
520
|
202
|
92
|
40
|
40
|
Annealed
|
General purpose steel with good corrosion resistance for most applications. Used for architecture, food processing, domestic sinks and tubs and deep drawing applications.
|
170
|
485
|
183
|
88
|
40
|
40
|
Annealed
|
Chemical plant and food processing equipment, where freedom from senitisation is required in plate.
|
205
|
520
|
219
|
95
|
40
|
40
|
Annealed
|
Most commonly used s/s main applications ie. marine, chemical, food, mining.
|
170
|
485
|
217
|
95
|
40
|
40
|
Annealed
|
A low carbon modification of 316 where heavy section weldments are required without the risk of intergranular corrosion
|
205
|
520
|
217
|
95
|
40
|
40
|
Annealed
|
A titanium stabilised version of 316. Excellent high temperature strength.
|
205
|
515
|
217
|
95
|
40
|
40
|
Annealed
|
For chemical plant. Has greater corrosion resistance than 316L notably with brines and halogen salts.
|
205
|
520
|
170
|
85
|
40
|
40
|
Annealed
|
Furnace parts and equipment. Resistant to temperatures 900ºC to 1100ºC.
|
205
|
520
|
217
|
95
|
40
|
40
|
Annealed
|
Heavy weldments in chemical and other industries. Suitable for heat resisting applications to 800ºC. Not suitable for bright polishing.
|
310
|
600
|
-
|
-
|
40
|
40
|
Annealed
|
Furnace parts and equipment. Resistant to temperatures up to 1150ºC.
|
-
|
-
|
-
|
-
|
40
|
40
|
Annealed
|
High resistance to: general corrosion in e.g. sulphuric and actic acids; crevice corrosion; stress corrosion cracking; pitting in chloride bearing solutions. Good weldabilty.
|
-
|
S20
|
192
|
92
|
12
|
Hardenable
|
Developed for high hardness after heat treatment. Used for cutting tools, surgical knives, etc.
|
|
965 Max
|
262
|
10
|
-
|
-
|
Hardenable
|
Used for pump shafts etc. Similar corrosion resistance to T302.
|
1000
|
1070
|
331
|
-
|
12
|
12
|
Solution Hardened
|
Main applications: pump shafts, marine boat shafts, valve stems. Similar corrosion resistance to type 304.
|
-
|
-
|
223
|
97
|
-
|
-
|
Hardenable
|
Capable of being hardened to 60 Rc. Highest hardness and abrasion resistance of all the stainless steels. Corrosion resistance similar to 410.
|
310
|
415
|
200
|
95
|
20
|
20
|
Annealed
|
Heat exchanger and hot water tanks, and in chloride containing waters. Not prone to chloride stress corrosion - superior resistance to pitting, crevice and intergranular corrosion. Possesses excellent deep drawing properties.
|
340
|
460
|
-
|
160
|
40
|
40
|
Annealed
|
Excellent wet abrasion resistance. Used in hoppers, bins, tanks etc.
|
450
|
620
|
290
|
32RC
|
25
|
25
|
Annealed
|
Superior corrosion resistance to 316L and 317L, combined with high strength. Excellent stress corrosion and abrasion resistance. Typically used in heat exchangers, gas scrubbers, fans, chemical tanks, flowlines, marine and refinery applications.
|
400
|
600
|
290
|
31RB
|
25
|
25
|
Annealed
|
Similar corrosion resistance to 316L. Higher yield strength, corrosion and stress-corrosion crackling resistance is required in marine, mining, chemical, food and power industries. Particularly useful in nitric acid.
|
|