Harsh Metalloys, based in Mumbai, India, is a leading Stainless Steel 440C Bolt manufacturer and supplier, known for their remarkable hardness, strength, and wear resistance. The bolts are carefully manufactured using high-carbon martensitic stainless steel, which makes them ideal for challenging industrial use where durability and reliability are essential. Abiding by international standards and offering high-stress and moderate corrosion resistance, our 440C bolts come in a range of sizes and thread types. Our company, Harsh Metalloys, guarantees quality and prompt delivery to industries like aerospace, automotive, defense, and mechanical engineering with durable fastening solutions.
Stainless Steel 440C Bolts contain around 16–18% chromium and 0.95–1.2% carbon content, providing better hardness and tensile strength up to 760 MPa upon heat treatment. These bolts have a Rockwell hardness between 58 to 60 HRC, which offers superior wear resistance and average corrosion resistance than austenitic stainless steels. They have a martensitic composition with high dimensional stability and mechanical strength, ideal for extreme applications that are under friction and stress. Harsh Metalloys follows rigorous quality controls for uniform performance and longevity.
|
Material |
Specification |
Standards |
Size |
Length |
|
Stainless Steel 440C Bolts |
ASTM, ASME and API |
ASTM B 193 / ASME SB 193 |
M02 to M30 |
3 mm To 200 mm |
| Element | SS 440C |
| Tensile Strength (MPa) min | 480 |
| Yield Strength 0.2% Proof (MPa) min | 275 |
| Elongation (% in 50mm) min | 16 |
| Rockwell B (HR B) max Hardness | 95 |
| Brinell (HB) max Hardness | 201 |
| Element | SS 440C |
| Ni | 0.75 |
| C | 0.15 |
| Mn | 1.00 max |
| P | 0.04 max |
| S | 0.03 max |
| Si | 1.00 max |
| Cr | 11.5 – 13.5 |
| Mo | – |
| N | – |
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Stainless Steel 440C Bolts possess high strength, hardness, and corrosion resistance, suitable for rugged applications in aerospace, automotive, and industrial sectors.
Custom Stainless Steel 440C Hex Bolt provides specialized high-strength fastening with superior wear and corrosion resistance for precision mechanical and structural applications.
Stainless Steel 440C Leg Bolt provides long-lasting fastening with improved grip and corrosion resistance, ideal for structural and heavy-duty operations.
Stainless Steel 440C Expansion Anchor Bolt provides safe anchoring in concrete and masonry with strength, corrosion resistance, and assured performance.
Stainless Steel 440C Hex Flange Head Bolt incorporates a washer for load distribution, providing high strength and corrosion protection in mechanical assemblies.
Stainless Steel 440C Full Threaded Bolts offer maximum grip throughout the length, which is suitable for adjustable or load-bearing applications that need to provide strength and wear resistance.
Stainless Steel 440C Bolts find extensive applications in high-strength, wear-resistance, and accurate fastening requirements in aerospace assembly, automobile parts, machinery, tooling, and military equipment. They find optimum application in the fastening of parts that are exposed to high mechanical loads and mild corrosive conditions. They are also used in the production of valves, pump assembly, and mechanical high-performance fixtures. Harsh Metalloys provides specially designed 440C bolts to suit particular industrial requirements with long-term performance and dependability in demanding applications.
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