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S41500 Stainless Steel Bar: Properties, Applications, and SEO-Optimized Overview
What Is S41500 Stainless Steel Bar?
S41500 is a martensitic stainless steel grade known for its excellent corrosion resistance and good mechanical properties. Also referred to as ASTM A276 Type 415, this alloy combines the strength of martensitic steels with moderate corrosion resistance, making it suitable for various industrial applications.
Chemical Composition of S41500 Stainless Steel
The key chemical elements of S41500 include:
Carbon (C): ≤0.05%
Chromium (Cr): 11.5–14.0%
Nickel (Ni): 1.25–2.50%
Manganese (Mn): ≤1.0%
Silicon (Si): ≤1.0%
Phosphorus (P): ≤0.04%
Sulfur (S): ≤0.03%
The chromium content provides corrosion resistance, while nickel enhances toughness and weldability.
Mechanical Properties
S41500 stainless steel bars offer the following typical mechanical properties after heat treatment:
Tensile Strength: ≥745 MPa (108 ksi)
Yield Strength: ≥590 MPa (86 ksi)
Elongation: ≥18%
Hardness: ≤223 HB (as annealed); up to 32 HRC after quenching and tempering
These properties make it suitable for components requiring a balance of strength and resistance to mild corrosive environments.
Corrosion Resistance
S41500 stainless steel shows moderate corrosion resistance in atmospheric conditions, fresh water, and mild chemical environments. It performs better than ferritic stainless steels but is less corrosion-resistant than austenitic grades like 304 or 316. Its resistance can be improved through surface treatments or protective coatings in harsher conditions.
Fabrication and Heat Treatment
Machinability: S41500 has good machinability, especially when annealed. Proper lubrication and tooling are recommended for optimal results.
Weldability: It can be welded using methods like TIG or MIG, but preheating and post-weld heat treatment may be necessary to prevent cracking.
Heat Treatment:
Annealing: 750–800°C (1380–1470°F), air cooling to improve machinability.
Tempering: 200–650°C (390–1200°F) to adjust hardness and toughness.
Common Applications of S41500 Stainless Steel Bar
Marine Components: Propeller shafts, valves, and fittings in coastal environments.
Mechanical Parts: Pump shafts, gears, and shafts in machinery.
Aerospace: Components requiring strength and moderate corrosion resistance.
Oil and Gas: Valves, connectors, and tools in non-aggressive environments.
Automotive: Turbocharger components and exhaust systems.
Advantages of S41500 Stainless Steel
High Strength-to-Weight Ratio: Suitable for lightweight, load-bearing parts.
Good Toughness: Resists impact and fatigue in dynamic applications.
Cost-Effective: More affordable than high-nickel austenitic stainless steels.
Versatile Heat Treatment: Allows customization of properties for specific needs.
SEO Keywords for S41500 Stainless Steel Bar
S41500 stainless steel bar
ASTM A276 Type 415 steel
Martensitic stainless steel S41500
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Standards and Specifications
S41500 is compliant with:
ASTM A276 (Stainless Steel Bars and Shapes)
ASTM A479 (Stainless Steel Bars for Pressure Vessels)
ASME SA-276 and SA-479
ISO 683-13 (Martensitic Stainless Steels)
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...
