Martensitic Steel Properties

Rolled Metal Products is your guide to understanding the attributes of our superior martensitic stainless steel products. This page provides a thorough chart of chemical analyses and typical mechanical properties, giving you precise information on the composition, hardness, and performance of martensitic steel. Known for its exceptional strength, wear resistance, and hardness, martensitic steel is ideal for applications requiring high durability and toughness. Explore the detailed properties of martensitic steel to see why it stands out as a reliable choice for demanding industrial uses.

Martensitic Stainless Steels Chemical Analysis %
(Max. Unless noted Otherwise)
Type C Mn P S Si Cr Ni Mo Other
403 0.15 1.00 0.040 0.030 0.50 11.50 /
13.00


410 0.15 1.00 0.040 0.030 1.00 11.50 /
13.50


414 0.15 1.00 0.040 0.030 1.00 11.50 /
13.50		 1.25 /
2.50

416 0.15 1.25 0.060 0.15
(Min)		 1.00 12.00 /
14.00
0.60*
416Se 0.15 1.25 0.060 0.060 1.00 12.00 /
14.00

0.15
Se (Min)
420 0.15
(Min)		 1.00 0.040 0.030 1.00 12.00 /
14.00


420 F 0.15
(Min)		 1.25 0.060 0.025 0.75 11.00 /
13.00		 0.50 /
1.00		 0.75 /
1.25		 0.15 /
0.30 V
422 0.20 /
0.25		 1.00 0.025 0.025 0.75 11.00 /
13.00		 0.50 /
1.00		 0.75 /
1.25		 0.15 /
0.30 V
0.75/
1.25 W
431 0.20 1.00 0.040 0.030 1.00 15.00 /
17.00		 1.25 /
2.50

440A 0.60 /
0.75		 1.00 0.040 0.030 1.00 16.00 /
18.00
0.75
440B 0.75 /
0.95		 1.00 0.040 0.030 1.00 16.00 /
18.00
0.75
440C 0.95 /
1.20		 1.00 0.040 0.030 1.00 16.00 /
18.00
0.75
*May be added at manufacturer’s option

Typical Mechanical Properties
(Annealed Sheet unless noted otherwise)
Type Tensile
Strength		 Yield Strength
(0.2% offset)		 Elongation in
2" (50.80 mm)
%		 Hardness
(Rockwell)		 Product
Form
ksi MPa ksi MPa
403 70 483 45 310 25 B80
410 70 483 45 310 25 B80
414 120 827 105 724 15 B98
416 75 517 40 276 30 B82 (Bar)
416Se 75 517 40 276 30 B82 (Bar)
420 95 655 50 345 25 B92 (Bar)
420F 95 655 55 379 22 220(Brinell) (Bar)
422* 145 1000 125 862 18 320(Brinell) (Bar)
431 125 862 95 655 20 C24 (Bar)
440A 105 724 60 414 20 B95 (Bar)
440B 107 738 62 427 18 B96 (Bar)
440C 110 758 65 448 14 B97 (Bar)
* Hardened and Tempered

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Data are typical, are provided for informational purposes, and should not be construed as maximum or minimum values for specification or for final design, or for a particular use or application. The data may be revised anytime without notice. We make no representation or warranty as to its accuracy and assume no duty to update. Actual data on any particular product or material may vary from those shown herein.
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