Contact Platform Support
Help Center440C Stainless Steel | High Hardness Martensitic Stainless Steel for Wear Resistance
Related Products
-
440B Stainless Steel | Balanced Hardness & Corrosion Resistant Tool SteelUS$ 10MOQ: 1 Kilogram -
SUS316 Stainless Steel | Austenitic Stainless Steel for Superior Corrosion ResistanceUS$ 10MOQ: 1 Kilogram
-
4J29 KOVAR Precision Alloy Metals, Alloys (Wires, Rods, Bars, Plates)US$ 30 - 45MOQ: 1 Kilogram
-
17-4 ph Stainless Steel (Wires, Rods, Bars, Plates)US$ 10 - 20MOQ: 1 Kilogram
-
SUS630 ph Stainless Steel (Wires, Rods, Bars, Plates)US$ 10 - 20MOQ: 1 Kilogram
Product Overview
440C is a high-carbon martensitic stainless steel, known for its exceptional hardness, wear resistance, and good corrosion resistance.
After heat treatment, it can achieve very high hardness, making it ideal for applications requiring sharp edges and long service life.
Key Selling Points
Ultra High Hardness (Up to HRC 58–62)
Provides excellent strength and long-lasting performance.Outstanding Wear Resistance
Ideal for components subjected to friction and repeated use.Good Corrosion Resistance
Performs well in general environments compared to standard tool steels.Excellent Edge Retention
Maintains sharpness for cutting tools and blades.High Strength & Durability
Suitable for demanding mechanical applications.Stable Heat Treatment Performance
Reliable and consistent hardness after quenching and tempering.
Chemical Composition (%)
C: 0.95 – 1.20
Cr: 16.0 – 18.0
Mn: ≤ 1.00
Si: ≤ 1.00
Mo: ≤ 0.75
Heat Treatment
Hardening: 1010 – 1070°C
Quenching: Oil / Air
Tempering: 150 – 370°C
Hardness: HRC 58 – 62
Applications
Bearings and bearing components
Knives and blades
Surgical instruments
Valve parts
High wear-resistant components
Available Forms
Round bar
Flat bar
Plates
Surface Condition
Black / Hot rolled
Cold drawn / Peeled
Ground / Polished
Why Choose 440C?
If your application requires high hardness + wear resistance + corrosion resistance, 440C is one of the most reliable stainless steel options.
Send Inquiry to This Supplier
You May Also Like
-
A-2 Tool SteelUS$ 10 - 12MOQ: 10 Short Tons
-
S7 Performance Cold Working Die SteelUS$ 5 - 25MOQ: 1 Kilogram
-
Nak80/10ni3mncual Die SteelUS$ 2 - 10MOQ: 1 Ton
-
Tool/Die/Mould Steel Grade P20 1.2311 1.2738 1.2312 1.2344 Flat Plate Round Bar Block Alloy Mould Special SteelUS$ 3 - 100MOQ: 1 Kilogram
-
Mould Plate SKD61 AISI H13 1.2344 8407 Steel Platemould Base Milled SteelUS$ 5 - 100MOQ: 1 Kilogram
-
AISI H13 8407 4Cr5MoSiV1 D2 Cr8 Cr12MOV SKD11 DC53 H11 P20 Nak80 1.2379 1.2344 1.2311 1.2312 15cdv6 M390 Cold Hot Work Plastic Plate Bar Die Tool Mould SteelUS$ 5 - 100MOQ: 1 Kilogram
-
SUJ2 GCR15 Bearing Steel Round BarsUS$ 3 - 10MOQ: 1 Kilogram
-
P20 Mold Steel | Pre-Hardened Plastic Tool Steel Supplier | Custom Cut AvailableUS$ 5 - 10MOQ: 1 Kilogram
-
1.2311 Mold Steel | Improved P20 Steel for Plastic Injection Mold BaseUS$ 5 - 15MOQ: 1 Kilogram
-
1.2344 Hot Work Tool Steel | H13 Equivalent | Die Casting Mold MaterialUS$ 5 - 10MOQ: 1 Kilogram
