Stainless Steel Sheet And Plate 440A JIS SUS440A EN 1.4109 DIN X70CrMo15
High Carbon Stainless Steel Sheet And Plate JIS SUS440A EN 1.4109 DIN X70CrMo15
AISI 440A ( UNS S44002 ) stainless is a high-carbon martensitic stainless steel developed to provide
stainless properties with maximum hardness.
It is magnetic in both the annealed and hardened conditions.
Maximum hardness and corrosion resistance are available only in the hardened or hardened and stress
relieved conditions, so the alloy is not used in the annealed or annealed and tempered conditions.
Dental and surgical instruments and cutlery are frequent applications for Type 440A.
Type 440A Stainless Steel in coils and cut lengths in thicknesses 0.1mm up and widths up to and including 250mm.
440A stainless High-carbon chromium steel. Provides stainless properties with excellent hardness.
Attains a hardness of Rockwell C 56 and maximum toughness when heat-treated.
Specifications: ASTM A276, ASTM A314, ASTM A473, ASTM A580, ASTM F899, AMS 5631, QQ-S-763
| Grade | C | Si | Mn | Cr | Mo |
| 440A | 0.60~0.75 | 1.00 max | 1.00 max | 16.00~18.00 | 0.75 max |
| 440B | 0.75~0.95 | 1.00 max | 1.00 max | 16.00~18.00 | 0.75 max |
| 440C | 0.95~1.20 | 1.00 max | 1.00 max | 16.00~18.00 | 0.75 max |
440A is a high carbon martensitic stainless steel, this alloy can be heat treated to extremely high hardnesses.
It has slightly less carbon than 440B and 440C giving it better machinability but less hardness.
The combination of good wear resistance and high hardness makes this alloy an excellent candidate
for cutting tools and knife blades. It also is often used for dental and surgical equipment.
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