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Alloys 

At DP Cast, we pour a wide range of alloys including:

  • Plain Carbon and Low-Alloy Steels
  • Stainless Steels
  • Non-Ferrous Alloys including Aluminum, Bronze and Cobalt

Tolerances: At DP Cast, we provide tight tolerance work of +/- 0.005 inch or +/- 0.005 inch per inch of geometry, which can vary, depending upon the size and complexity of the part. The standard surface finish is RMS 125, with a surface profile, flatness and straightness to within 0.010 inch. Our in-house design consultation and near net shape technique often results in an investment casting that requires minimal to no machining.

Other alloys available upon request.

Alloys Commonly Poured at DP Cast

      Tensile
Strength
Minimum 
x 1000 psi
   
Alloy Other Designations Condition Ultimate Yield Elongation % Remarks
Plain Carbon & Low Alloy Steels
1020 ASTM-A-732 1A Annealed 60 40 24 General- purpose plain carbon steel
1040 ASTM-A-732 3A Annealed 75 48 25 Harder carbon steel
4130 ASTM-A-732 7Q Quench & Temper 150 115 7 Wear and fatigue- resistant
4140 ASTM-A-732 8Q Quench & Temper 180 145 5 Strong, hard, wear and fatigue- resistant
4340 ASTM-A-732 10Q
AMS 5350
Quench & Temper 180 145 5 Deep-hardening, strong, impact- resistant
6150 ASTM-A-732 12Q Quench & Temper 190 170 4 Hard and strong
8620 ASTMA-73Z 13Q   105   85 10  Good blend of properties 
H13 ASTM-A-597 CH13         Tool Steel
Stainless Steels
303 ASTMA 743 CF16F As cast, or solution annealed for improved corrosion resistance 70 30 25 Sulphur added for machinability
304

ASTM A-743 CF8

70 30 35 General- purpose stainless steel
304L ASTM A-743 CF3 70 30 35 304 Grade for welding
316

ASTM A-743 CF8M
AMS 5360

70 30 30 Molybdenum added for improved corrosion resistance
316L ASTM-A-743 CF3M 70 30 30 316 Grade for welding
347 AMS 5362
ASTM A-743 CF8C
  70 30 30

Corrosion and heat resistance to 1500° F;
stabiliized for welding or high-temperature applications

410 ASTM-A-743 CA15
AMS 5355
Hardened
Aged
90 65 18 Corrosion and moderate heat resistance to 1000° F
17-4PH

AMS 5355
AMS 5343
AMS 5344
ASTM A-747 CB7Cu1 

  175 150 5 Precipitation hardening; a mix of strength and corrosion resistance
Non-Ferrous Alloys
Aluminum
C355 AMS 4215 T6 35 28 2 Typically used for components requiring high strength 
356 AMS 4260
ASTM B-618 A356
T6 33 22 3 Most widely used aluminum alloy; good mix of properties
F357 AMS 4289 T6 38 30 2 Typically used for components requiring high strength 
Bronze
Silicone
Bronze
ASTM-B-584 C87300 As cast 45 18 20 General- purpose
100,000
Manganese
Bronze
  As cast 110 60 12  
Cobalt
Cobalt 6           Wear galling and corrosion resistance
Cobalt 12           Heat, corrosion, wear and abrasion resistance
Alloy 31 AMS 5382