Lamothermic Alloy Strength & Properties  
 
 
 
Phone 845-278-6118
  
Alloy Strength
Strength & Properties
Properties of some of the common alloys that we cast.
 
Alloy Heat Treat Condition Tensile Strength Yield Strength Elongation % Hardness
Carbon Steel 
1018 A, N, or H&T 60 ksi, min. 35 ksi, min. 20 % min. 60 - 70 HRB
1020 A, N, or H&T 60 - 95 ksi 40 - 85 ksi 20 - 35 % 65 - 95 HRB
1025 A, N, or H&T 65 - 98 ksi 45 - 90 ksi 15 - 35 % 65 - 95 HRB
1030 A, N, or H&T 65 - 100 ksi 45 - 95 ksi 10 - 30 % 70 - 98 HRB
1040 A, N, or H&T 75 - 100 ksi 45 - 90 ksi 10 - 25 % 75 - 100 HRB
1045 A, N, or H&T 80 - 100 ksi 45 - 90 ksi 5 - 20 % 85 - 100 HRB
Low Alloy Steel     
4130 A, N, or H&T 85 - 185 ksi 75 - 175 ksi 5 - 20 % 90 HRB - 50 HRC
4140 A, N, or H&T 110 - 180 ksi 85 - 145 ksi 2 - 20 % 95 HRB - 55 HRC
4340 Hom., N&T or H&T 125 - 250 ksi 95 - 200 ksi 2 - 15 % 95 HRB - 58 HRC
52100 A or H&T 175 - 225 ksi 130 - 175 ksi 1 - 5 % 100 HRB - 60 HRC
6150 A, N or H&T 90 - 190 ksi 60 - 170 ksi 10 - 25 % 85 HRB - 45 HRC
8620 A, N, H&T, or Case Hdn 85 - 175 ksi 50 - 135 ksi 5 - 25 % 75 HRB - 55 HRC
9310 A, or N & Case Hdn – – – 55 HRC case
300 Series Stainless Steel     
302 As Cast, Solution Treat 70 ksi, min 30 ksi 30 % 75 - 85 HRB
304, CF8 As Cast, Solution Treat 70 ksi 30 ksi 30 % 75 - 85 HRB
304L, CF3 As Cast, Solution Treat 70 ksi 30 ksi 30 % 75 - 85 HRB
310 As Cast, Solution Treat 65 ksi 28 ksi 10 % 75 - 85 HRB
316, CF8M As Cast, Solution Treat 70 ksi 30 ksi 30 % 75 - 85 HRB
316L, CF3M As Cast, Solution Treat 70 ksi 30 ksi 30 % 75 - 85 HRB
316NM As Cast, Solution Treat 65 ksi 25 ksi 30 % 75 - 85 HRB
317 As Cast, Solution Treat 75 ksi 35 ksi 25 % 75 - 85 HRB
317L As Cast, Solution Treat 75 ksi 35 ksi 25 % 75 - 85 HRB
347 As Cast, Solution Treat 75 ksi 35 ksi 25 % 75 - 85 HRB
CD4MCU As Cast, Solution Treat 100 ksi 70 ksi 15 % 22 - 32 HRC
CE8MN As Cast, Solution Treat 95 ksi 65 ksi 25 % 80 - 90 HRB
CN7M As Cast, Solution Treat 60 ksi 25 ksi 35 % 80 - 90 HRB
NIT60 As Cast, Solution Treat 80 ksi 35 ksi 30 % 85 - 95 HRB
400 Series Stainless     
410 A, H&T 90 ksi 65 ksi 18 % 20 - 35 HRC
416 A, H&T 80 ksi 55 ksi 15 % 80 HRB - 35 HRC
420 A, H&T 100 ksi 70 ksi 15 % 20 - 40 HRC
431 N, DF, T 170 - 195 ksi 125 - 145 ksi 5 - 15 % 25 - 45 HRC
440C A, H&T 250 + ksi 225 + ksi 2 % 25 - 45 HRC
440F A, H&T 200 + ksi 185 + ksi 3 % 25 - 45 HRC
CA6NM A or N, H&T 120 - 160 ksi 80 - 135 ksi 5 - 20 % 22 - 42 HRC
Precipitation Hardened Stainless Steel     
15-5 Solution Treat & Age 130 - 185 ksi 115 - 160 ksi 5 - 10 % 30 - 45 HRC
17-4 Solution Treat & Age 125 - 185 ksi 100 - 160 ksi 5 - 12 % 28 - 45 HRC
Tool Steel     
A-2 Anneal – – – 100 HRB - 60 HRC
D-2 Anneal – – – 100 HRB - 58 HRC
H-11 Anneal – – – 100 HRB - 55 HRC
H-13 Anneal – – – 100 HRB - 52 HRC
L-6 Anneal – – – 100 HRB - 60 HRC
M-2 Anneal – – – 100 HRB - 62 HRC
O-1 Anneal – – – 100 HRB - 60 HRC
O-2 Anneal – – – 100 HRB - 60 HRC
S-5 Anneal – – – 100 HRB - 58 HRC
S-7 Anneal – – – 100 HRB - 57 HRC
Nickel Alloy     
CW12MW Solution Treat 75 ksi 45 ksi 5 % 90 - 102 HRB
CW2M Solution Treat 70 ksi 40 ksi 20 % 90 - 100 HRB
CW6M Solution Treat 70 ksi 40 ksi 25 % 90 - 100 HRB
CX2MW Solution Treat 80 ksi 45 ksi 30 % 90 - 100 HRB
M-30C As Cast 65 ksi 30 ksi 25 % 65 - 75 HRB
M-35-1 Solution Treat 65 ksi 25 ksi 25 % 65 - 75 HRB
M-35-2 Solution Treat 65 ksi 30 ksi 25 % 65 - 75 HRB
M-25S As Cast – – – 25 - 35 HRC
QQ-N-288 Comp A Solution Treat 65 ksi 32.5 ksi 25 % 70 - 80 HRB
QQ-N-288 Comp D As Cast – – – 25 - 35 HRC
Cobalt Alloy     
Co3 As Cast – – – 45 - 50 HRC
Co3B As Cast – – – 45 HRC
Co6 As Cast – – – 35 - 45 HRC
Co12 As Cast – – – 45 - 55 HRC
Bronze Alloy     
C875 As Cast 65 ksi 35 ksi 15 % 65 - 75 HRB
C876 As Cast 55 ksi 25 ksi 25 % 65 - 75 HRB
 
Strength & Properties
  
 
 
 
 
 
Lamothermic Precision Investment Casting Corp. • 391 Route 312 • Brewster, NY 10509
Phone: 845-278-6118 • Fax: 845-279-3716
Request for Quote sales@lamothermic.com
www.Lamothermic.com