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Martensitic S41500 Stainless Steel Plate Corrosion Resistant with Superior

China Martensitic S41500 Stainless Steel Plate Corrosion Resistant with Superior

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Martensitic S41500 Stainless Steel Plate Corrosion Resistant with Superior

MOQ： 50 kgs
Price： 2-2.5 USD/Kg
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Payment Terms	L/C, T/T, Western Union
Supply Ability	20Ton per week
Delivery Time	5 - 12 days based on the quantity
Packaging Details	standard packing for export
Products	Stainless Steel Plate
Grade	415
Thickness	1.5-50.0mm
Tech	cold rolled,hot rolled , forged
Width	1000mm 1219mm 1500mm or customs as request
Surface	2B NO.1
Standard	ASTM GB JIS EN DIN
MOQ	1 Ton
Brand Name	BAOSTEEL TISCO
Model Number	415
Certification	ISO
Place of Origin	China

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Product Specification


Payment Terms	L/C, T/T, Western Union	Supply Ability	20Ton per week
Delivery Time	5 - 12 days based on the quantity	Packaging Details	standard packing for export
Products	Stainless Steel Plate	Grade	415
Thickness	1.5-50.0mm	Tech	cold rolled,hot rolled , forged
Width	1000mm 1219mm 1500mm or customs as request	Surface	2B NO.1
Standard	ASTM GB JIS EN DIN	MOQ	1 Ton
Brand Name	BAOSTEEL TISCO	Model Number	415
Certification	ISO	Place of Origin	China
High Light	Martensitic S41500 stainless steel plate ，Corrosion resistant stainless steel plate ，Stainless steel plate with mechanical properties

Martensitic S41500 Stainless Steel Plate Corrosion Resistant with Superior Mechanical Properties

Stainless Steel Plate Specifications

Name	415 stainless steel Plate
Our Grade	200 Series: 201 202 300 Series: 301 304,304L,304H,309S,310S,314,316L,316Ti,316H,316LN,317L,321,329,347 400 Series: 409L,410,410S,415,416,420,430,431,436L.439,441,443,444,445,446 Super Stainless Steel: 904L,926,254SMO,654SMO,15-5PH,17-4PH,17-7PH.etc Nickel Alloy: C276, C22,G35,Alloy X,Monel 400,K500,Inconel 600,601,617,625,718,Incoloy 800,800H,800HT,825.etc
Technique	Hot Rolled, Cold Rolled,Forged
Standard	JIS, AISI, ASTM, DIN, TUV, BV, SUS, etc
Thickness	0.1 – 80.0mm
Width range	10mm – 2000mm
Length	Customized
Finish	2B, BA, No.4, 8k, Brushed,Hairline,PVD Coating,Sandblasted
Service	Laser Cutting, Bending
Sample	Available

Martensitic S41500 Stainless Steel Plate – Corrosion Resistant with Superior Mechanical Properties

Introduction

S41500 stainless steel is a low-carbon martensitic alloy engineered to deliver an exceptional combination of high strength, good toughness, and moderate corrosion resistance—making it ideal for demanding engineering applications in power generation, oil & gas, marine, and heavy industry. Unlike conventional martensitic grades (e.g., 410 or 420), S41500 features controlled carbon content and strategic additions of nickel and molybdenum, which significantly enhance weldability, ductility, and resistance to stress corrosion cracking.

Supplied as a wrought plate per ASTM A240/A240M Type 415, S41500 offers mechanical properties far exceeding those of standard stainless steels, while maintaining cost-effectiveness compared to duplex or super austenitic alternatives. At [Your Company Name], we provide certified S41500 stainless steel plates in hot-rolled and forged conditions, with custom cutting, machining, and full traceability to support critical infrastructure projects worldwide.

Why Choose Martensitic S41500?

Martensitic stainless steels are known for their hardness and strength—but often at the expense of toughness and weldability. S41500 breaks this trade-off:

✅ High Strength: Tensile strength ≥790 MPa after standard heat treatment
✅ Excellent Toughness: Charpy impact energy ≥47 J at –20°C
✅ Good Weldability: Low carbon (≤0.06%) minimizes cracking risk
✅ Moderate Corrosion Resistance: Performs well in freshwater, steam, and mildly acidic environments
✅ Precipitation-Hardenable: Achieves peak properties through simple thermal treatment

These attributes make S41500 a top choice for hydroelectric turbine runners, pump shafts, valve components, and other high-stress parts exposed to dynamic loads and moisture.

Chemical Composition (ASTM A240 Type 415 / UNS S41500)

Element	Content (%) – Typical Range	ASTM A240 Limit
Carbon (C)	≤ 0.06	Max 0.06
Chromium (Cr)	11.5 – 14.0	—
Nickel (Ni)	3.5 – 5.5	—
Molybdenum (Mo)	0.50 – 1.00	—
Manganese (Mn)	0.50 – 1.00	Max 1.00
Silicon (Si)	≤ 0.60	Max 0.60
Phosphorus (P)	≤ 0.030	Max 0.030
Sulfur (S)	≤ 0.030	Max 0.030

The addition of Ni and Mo refines the microstructure, improves hardenability, and boosts resistance to pitting in chloride-containing environments.

Mechanical Properties (After Heat Treatment – H1025 Condition)

Property	Minimum Value
Tensile Strength	790 MPa (115 ksi)
Yield Strength (0.2% offset)	620 MPa (90 ksi)
Elongation	≥ 15%
Reduction of Area	≥ 45%
Hardness	28–34 HRC
Charpy V-Notch Impact (–20°C)	≥ 47 J (35 ft·lbf)

Note: Heat treatment is essential to achieve these properties. Common tempers include:

H1025: Standard for turbine applications (550°C/1025°F aging)

H1150D: Dual tempering for maximum toughness in low-temperature or sour service

Corrosion Resistance Performance

While not as corrosion-resistant as 316L or duplex grades, S41500 offers superior performance over basic martensitic steels:

✅ Freshwater & Steam: Excellent long-term stability—ideal for hydro turbines
✅ Mild Acids & Alkalis: Suitable for chemical processing equipment
✅ Atmospheric Exposure: Resists rusting better than carbon steel
⚠️ Seawater/High Chlorides: Not recommended without protective coating

Its chromium-rich passive layer, enhanced by molybdenum, provides effective protection against general and localized corrosion in non-aggressive environments.

Product Offerings & Custom Capabilities

Feature	Specification
Standard	ASTM A240/A240M Type 415
UNS Number	S41500
Common Names	Type 415, F6NM (cast equivalent), 1.4313 (EN), X3CrNiMo13-4
Form	Hot-rolled plate, forged plate, precision blanks
Thickness Range	6 mm – 150 mm (standard); up to 500 mm via forging
Max Dimensions	3000 mm (W) × 12,000 mm (L)
Surface Finish	As-rolled, pickled, 2B, machined
Certification	EN 10204 3.1 MTR, PMI, UT (ASTM A435), impact test reports
Value-Added Services	Laser/waterjet cutting, CNC milling, drilling, beveling, surface grinding, stress relieving

All plates are ultrasonically tested for internal integrity—critical for rotating or pressure-containing components.

Comparison with Other Stainless Grades

Property / Grade	S41500 (Martensitic)	316L (Austenitic)	410 (Martensitic)	2205 (Duplex)
Tensile Strength	790 MPa	515 MPa	520 MPa	620 MPa
Yield Strength	620 MPa	205 MPa	290 MPa	450 MPa
Weldability	Good (low C)	Excellent	Poor	Moderate
Corrosion Resistance	Moderate (freshwater)	Excellent	Low	Very Good
Cost	Medium	High	Low	High
Best For	Turbines, shafts	Chemical tanks	Cutlery, fasteners	Offshore pipes

S41500 uniquely bridges the gap between strength and fabricability.

Key Applications

Hydroelectric Power: Runner blades, guide vanes, shafts, crown rings
Oil & Gas: Valves, pump components, downhole tools (NACE-compliant when H1150D treated)
Marine Engineering: Propeller shafts, rudders, seawater pumps (in low-chloride zones)
Industrial Machinery: High-wear plates, gears, and structural supports
Defense & Aerospace: Landing gear fittings, actuator housings

Technical Support & Compliance

We ensure every S41500 plate meets global standards:

ASTM A240/A240M (plate specification)
ASTM A751 (chemical analysis)
NACE MR0175/ISO 15156 (for sour service, with proper heat treatment)
EN 10088-3 / 1.4313 (European equivalence)

Our metallurgical team provides:

Welding procedure recommendations (WPS support)
Heat treatment guidelines
Material selection consulting

Frequently Asked Questions (FAQ)

Q: Is S41500 magnetic?
A: Yes—it’s martensitic and therefore ferromagnetic, which can be advantageous for certain sensors or lifting applications.

Q: Can it be used without heat treatment?
A: Not recommended. As-rolled S41500 lacks required strength and toughness. Heat treatment (e.g., H1025) is mandatory for structural use.

Q: How does it compare to CA6NM?
A: Nearly identical chemistry. CA6NM is the cast version (ASTM A743), while S41500 is wrought plate (ASTM A240). Use S41500 for rolled/forged plate applications.

Q: Do you offer small quantities?
A: Yes—no minimum order. We cut plates to your exact size, even for prototypes.

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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...

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JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
https://www.stainless-strips.com/

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