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Component Manufacturers in the Pacific Rim.

Materials

Material Applications
Corrosion Resistant - Stainless Steel Alloys 

Castings are classified as “corrosion resistant” if they are used in aqueous environments and vapours below 650°C. To perform well in a corrosive environment the carbon content should be low and usually below 0.20% and sometimes below 0.03%. Based on microstructure Corrosion resistant cast alloys are grouped as Martensitic, Austenitic, or Duplex.

High Strength to Weight Ratio and Corrosion Resistance

Titanium offers a high strength to weight ratio and extraordinary corrosion resistance, making it an ideal choice for medical, marine, hand tools, sporting goods, and high performance automotive applications.

Wear and Abrasion Resistant

Castings are classified as wear and/or abrasion resistant if during applications where constant or high friction occurs the alloys have minimal loss in mass and do not deform due to friction force. These alloys are almost always of high hardness. This hardness is achieved by the formation of carbides within the metal which are very abrasion resistant.

Heat Resistant Alloys 

Castings are classified as heat resistant if they are capable of sustained operation while exposed, either continuously or intermittently to operating temperatures that result in material temperatures in excess of 650°C. The application of heat resistant alloys depends on

  • Resistance to corrosion at elevated temperature
  • Stability - resistance to warping, cracking, thermal fatigue at elevated temperature.
  • Creep strength
Alloys for Cryogenic Applications

The austenitic stainless steels and titanium alloys possess a unique combination of properties which makes them useful at cryogenic (very low) temperatures, such as are encountered in plants handling liquefied gases. These materials at cryogenic temperatures have tensile strengths substantially higher than at ambient temperatures while their toughness is only slightly degraded.

Low Magnetic Permeability

Supreme can produce a range of alloys that have low magnetic permeability's of 1.05 Mu or lower. We have the capability to report the magnetic permeability of alloys in accordance with ATSM A342 method 3. Supreme can produce and measure the magnetic permeabiltiy of alloys to lower than 1.01 Mu.

Non Sparking Alloys

Supreme can produce a range of alloys that can be used in environments where fires and explosions are a concern. These include industries where fluids both vapour and liquids, and particulates such as dust and residue are present and can be ignited.

Material Groups
Ferrous
Stainless Steel

Steel with minimum chromium content of 10.5% is classified as Stainless steel. Stainless steel castings are classified as “corrosion resistant” when used in environments below 650°C and “heat resistant“ when used above 650°C. The main difference between these classifications is carbon content. Stainless steels will have low carbon content to perform well in corrosive environments, and heat resistant grades have higher carbon content to improve elevated temperature strength. 

Carbon & Low Alloy Steels

Carbon steels are steels with very few alloying ingredients, primarily only Manganese and Silicon. They are used in many structural applications as provide good strength and are the cheapest steels to produce. Low alloy steels have a wide range of uses due to the increased mechanical properties over that of carbons steels with the addition of alloying ingredients such as Ni, Cr, Mo in relatively low levels. They generally are an excellent balance between mechanical properties and cost.

Tool Steels

Tool steel castings are used where hardness and abrasion resistant properties are required. Tool steel is generally divided into three classes; cold work steels, hot work steels, and high speed steels. Cold work steels, are typically used for temperatures below 200° C. These steels have high levels of wear resistance, impact toughness, and hardness. Hot work and high speed steels generally have similar characteristics to cold work steels, but can withstand much higher temperatures before experiencing distortion. Toughness, abrasion resistance, cutting edges, and distortion resistance vary depending on usage temperature and grade of tool steel. Heat treatment such as Annealing, Tempering etc. allows tool steel to achieve various levels of hardness ranges from RC 20 to RC 60.

Cast Irons

Supreme can produce high alloy cast irons. These cast irons can be used in varied applications, from corrosion, heat and wear resistance. These irons also are employed when unusual physical properties, such as low thermal expansion or nonmagnetic properties, are desired. Nickel-containing cast irons are used both for corrosion resistance in seawater pumps and for wear resistance in, for example, ore crushing

Non Ferrous Alloys
Aluminium base

Aluminium alloys are widely used in engineering structures and components where light weight or corrosion resistance is required. Of the cast aluminium alloys, alloy A-356 has the best overall balance between mechanical properties, cast ability, and corrosion resistance and is the most commonly used aluminium casting alloy for corrosion service.

Copper base

Copper alloy castings are used in applications that require superior corrosion resistance, high thermal or electrical conductivity, good bearing-surface qualities or other special properties.

Nickel & Cobalt Base Alloys

Cobalt and nickel investment castings, also known as superalloys, provide high end corrosion and abrasion resistance at the most extreme temperatures. When it comes to investment casting, Cobalt and nickel share many mechanical properties with stainless steel castings, but are designed for even greater strength and oxidation resistance. These super alloy castings offer unmatched temperature resistance, surface stability under high stress conditions, and overall hardness. Due to their impressive mechanical properties and heat resistance, nickel and cobalt both enjoy long service high resistances to oxidation carburization.

Tech Info
Stainless Steel
Wrought Cast Condition Tensile Strength Mpa 0.2%Yield Strength Mpa % Elongation Hardness  Range or Max
303    CF-16F1 Annealed 418-517  207-241 35-45 90 Rb
304 CF-81 Annealed 483-586 276-345 35-50 90 Rb
304L CF-31 Annealed 483-586 276-345 35-50 90 Rb
309 CH-201 Annealed 483-552 207-276 30-45 90 Rb
310 CK-201 Annealed 414-517 207-276 35-45 90 Rb
316 CF-8M1 Annealed  483-586  276-345  35-50 90 Rb
316L CF-8M1 Annealed 483-586 276-345 35-50 90 Rb
316F IC 316F1 Annealed 483-586 276-345 35-50 90 Rb
HK HK1 Annealed 418-517 241-310 10-20 100 Rb
410 CA-151 Hardened 655-1394 517-1103 5-12 94 Rb-45 Rc
416 IC 4161 Hardened 655-1394 517-1103 3-8 94 Rb-45 Rc
420 CA-401 Hardened 1394-1551 896-1448 0-5 30-52 Rc
431 IC 4311 Hardened 759-1103 517-724 5-20 20-40 Rc
440A IC 440A1 Hardened - - - 35-56 Rc
440C IC 440C1 Hardened - - - 40-60 Rc
440F IC 440F1 Hardened - - - 40-60 Rc
15-5-PH IC 15-51 Hardened 931-1172 759-1000 5-15 26-38 Rc
17-4-PH IC 17-41 Hardened 1034-1310 965-1103 6-20 34-44 Rc
253MA C253MA1 Annealed 600 Min 310 Min 40 Min 91 Rb
2205 ASTM A890 4A2 Annealed 620 Min 415 Min 25 Min -
2507 ASTM A890 5A2 Annealed 690 Min 515 Min 18 Min -
CD-4MCu CD-4MCu1 Annealed 690-793 517-586 20-30 94-100 Rb
Carbon and Low Alloy Steels
Wrought Cast Condition Tensile Strength Mpa 0.2%Yield Strength Mpa % Elongation Hardness  Range or Max
1010 IC10101 Annealed 345-414 207-241 30-35 50-55 Rb
1020 IC10201 Annealed 414-483 276-310 25-40 80 Rb
1030 IC10301 Hardened 586-1034 414-1034 0-15 20-50 Rc
1035 IC10351 Hardened 621-1034 586-1034 0-15 25-52 Rc
1050 IC10501 Hardened 862-1241 690-1241 0-10 30-60 Rc
1060 IC10601 Hardened 827-1379 690-1241 0-5 30-60 Rc
1090 IC10901 Hardened 896-1241 876-1241 0-3 37-50 Rc
4130 IC41301 Hardened 896-1172 690-896 5-20 23-49 Rc
4140 IC41401 Hardened 876-1394 690-1069 5-20 29-57 Rc
4340 IC43401 Hardened 876-1394 690-1241 5-20 20-55 Rc
4620 IC46201 Hardened 758-1034 621-896 10-20 20-32 Rc
6150 IC61501 Hardened 965-1394 827-1241 5-10 30-60 Rc
8620 IC86201 Hardened 690-896 552-758 10-20 20-45 Rc
8630 IC86301 Hardened 827-1172 690-896 7-20 25-50 Rc
 
Brass and Bronze
UNS Designation Alloy Designation BS1400 Tensile Strength Mpa Min 0.2%Yield Strength Mpa % Elongation Min
C83600A LG23 200 200 13
C85400 SCB33 190 70 11
C90710 PB13 220 130 3
C90810 PB23 220 130 5
C95210 AB13 450 170 20
C95810 AB23 590 240 15
C86500 HTB13 450 170 20
C86300 HTB33 760 415 12
 
Tool Steel
Wrought Cast Annealed with Slow Cool Max Cycle Anneal Max Hardened Range
A6 CA-61 100Rb - 48-59 Rc
D2 CD-21 - 35 Rc 50-59 Rc
D3 CD-31 - 35 Rc 47-61 Rc
H-13 CH-131 100Rb - 45-53 Rc
S7 CS-71 - 100 Rb 35-57 Rc
 
Cobalt Alloys
Wrought Cast As Cast Hardness
  Cobalt 31 48-53 Rc
Stellite 6 Cobalt 61 37-45 Rc
HS25 Cobalt 251 20-25 Rc
 
Aluminium Alloys
Cast Tensile Strength 0.2%Yield Strength Mpa % Elongation
3551 241-345 193-269 1-8
3561 221-276 152-207 3-7
A-3571 228-345 186-276 3-9
 

References
1 = Investment Casting Handbook
2 = ASTM A890; 1999
3 = AS1565; 1996
Note: Values indicated in tables are for reference only.
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