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Precision-Ground 416 Stainless Steel Sheet High Machinability & Corrosion

China Precision-Ground 416 Stainless Steel Sheet High Machinability & Corrosion

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Precision-Ground 416 Stainless Steel Sheet High Machinability & Corrosion

MOQ： 50 kgs
Price： 1.8-2.5USD/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	416
Thickness	0.5-50.0mm
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	416
Certification	ISO
Place of Origin	China

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Product Details
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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	416
Thickness	0.5-50.0mm	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	416
Certification	ISO	Place of Origin	China
High Light	416 stainless steel sheet high machinability ，precision-ground stainless steel sheet ，corrosion resistant 416 stainless steel

Precision-Ground 416 Stainless Steel Sheet High Machinability & Corrosion Resistance

Stainless Steel Plate Specifications

Name	416 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

Precision-Ground 416 Stainless Steel Sheet – High Machinability & Corrosion Resistance

Overview

Precision-Ground 416 Stainless Steel Sheet is a premium-grade martensitic stainless steel engineered for applications demanding exceptional machinability, dimensional accuracy, and moderate corrosion resistance. Widely recognized in the manufacturing, automotive, aerospace, and tooling industries, 416 stainless steel stands out due to its unique composition—particularly its controlled sulfur content—which significantly enhances free-machining characteristics without compromising mechanical integrity.

This product offering features sheets that have undergone precision grinding to achieve tight tolerances, smooth surface finishes (typically Ra ≤ 0.8 µm), and uniform thickness across the entire surface. Ideal for high-volume CNC machining, stamping, or precision fabrication, our 416 stainless steel sheets deliver consistent performance, reduced tool wear, and faster production cycles.

Key Features & Benefits

Superior Machinability: Among the most machinable stainless steels available—up to 85% more machinable than 304 stainless.
Precision-Ground Surface: Ensures flatness, parallelism, and surface quality suitable for critical components.
Heat-Treatable: Can be hardened via quenching and tempering to achieve tensile strengths up to 1,000 MPa.
Moderate Corrosion Resistance: Performs well in mildly corrosive environments (e.g., atmospheric exposure, fresh water).
Non-Galling Properties: Reduced risk of seizing or galling during machining or assembly.
Cost-Efficient: Lower machining time and extended tool life reduce overall production costs.

Typical Applications

Valve and pump shafts
Gears, spindles, and fasteners
Surgical and dental instruments
Automotive trim and fittings
Food processing equipment (non-acidic environments)
Precision jigs and fixtures

⚠️ Note: Due to its sulfur content, 416 stainless steel is not recommended for welding or highly corrosive (e.g., marine or acidic) environments. For such applications, consider 304 or 316 grades.

Chemical Composition (ASTM A276 / AISI 416)

Element	Content (%)
Carbon (C)	≤ 0.15
Manganese (Mn)	≤ 1.00
Phosphorus (P)	≤ 0.040
Sulfur (S)	≥ 0.15
Silicon (Si)	≤ 1.00
Chromium (Cr)	12.0–14.0
Nickel (Ni)	≤ 0.60
Iron (Fe)	Balance

The elevated sulfur content (minimum 0.15%) is key to its free-machining behavior, forming manganese sulfide inclusions that act as chip breakers during cutting.

Mechanical Properties (Annealed Condition)

Property	Value
Tensile Strength	515–725 MPa (75–105 ksi)
Yield Strength (0.2% offset)	275–415 MPa (40–60 ksi)
Elongation at Break	20–25%
Hardness (HB)	183 max
Density	7.74 g/cm³
Melting Point	1,450–1,510°C (2,642–2,750°F)

After heat treatment (e.g., quenching at 980–1,010°C + tempering at 150–650°C), hardness can reach 25–45 HRC with corresponding increases in strength.

Physical Properties

Property	Value
Thermal Conductivity	24.9 W/m·K @ 100°C
Electrical Resistivity	0.57 µΩ·m
Specific Heat Capacity	460 J/kg·K @ 20°C
Coefficient of Thermal Expansion	10.0 µm/m·°C (20–100°C)
Magnetic Permeability	Ferromagnetic (magnetic)

Its magnetic nature makes 416 suitable for applications requiring magnetic response, unlike austenitic grades (e.g., 304).

Machinability Comparison

Stainless Steel Grade	Relative Machinability (% of B1112 steel)
416	85%
303	78%
304	45%
17-4 PH	40%

Source: ASM International, Project 7000 Stainless Data Sheets

This superior machinability translates to:

Up to 30% faster cutting speeds
Reduced power consumption
Longer insert/tool life
Better surface finish on machined parts

Available Specifications

Parameter	Options
Thickness	0.5 mm to 25.0 mm (precision-ground)
Width	100 mm to 1,500 mm
Length	500 mm to 6,000 mm (custom cut-to-length)
Surface Finish	Ground (Ra 0.4–0.8 µm), BA, or 2B
Temper Condition	Annealed, Hardened & Tempered (H&T)
Standards Compliant	ASTM A240, ASTM A276, AISI 416, UNS S41600, JIS SUS416
Packaging	VCI paper, wooden crates, moisture-proof wrapping

All sheets are ultrasonically tested for internal defects and certified with Mill Test Reports (MTRs) per EN 10204 3.1.

Heat Treatment Guidelines

Process	Temperature Range	Cooling Method	Resulting Properties
Annealing	815–900°C	Air cool	Soft, machinable condition (HB ≤ 183)
Hardening	980–1,010°C	Oil or air quench	Martensitic structure, high hardness
Tempering	150–650°C (adjust per strength/toughness needs)	Air cool	Optimized strength & ductility

Avoid prolonged exposure above 425°C in service to prevent embrittlement.

Corrosion Resistance Performance

While not as corrosion-resistant as 304 or 316, 416 performs adequately in:

Dry indoor environments
Mild atmospheric conditions
Freshwater systems
Non-chloride chemical exposures

Limitations:

Poor resistance to chlorides, acids, and salt spray
Not suitable for marine or coastal applications
Avoid use in food-grade acidic environments (e.g., vinegar, citrus)

For enhanced corrosion resistance while retaining good machinability, consider 416Se (selenium-modified) or 430F alternatives.

Why Choose Our Precision-Ground 416 Sheets?

✅ Consistent Quality: Every batch meets ASTM/ISO standards with full traceability.
✅ Tight Tolerances: Thickness tolerance ±0.02 mm achievable for critical applications.
✅ Global Supply Chain: Ready stock in North America, Europe, and Asia.
✅ Technical Support: Engineering assistance for material selection and processing.
✅ Eco-Conscious: Recyclable (>90% recycled content possible); RoHS and REACH compliant.

Precision-ground 416 stainless steel sheet
High machinability stainless steel plate
Free-machining martensitic stainless steel
AISI 416 ground flat stock
SUS416 stainless steel sheet supplier
416 stainless steel for CNC machining
Corrosion-resistant machinable steel
ASTM A240 416 stainless sheet

Ordering Information

Contact our sales team for:

Custom dimensions and surface finishes
Heat-treated or pre-hardened stock
Certifications (MTR, RoHS, DFARS)
Volume discounts (MOQ: 50 kg)

Lead Time: 3–7 days for standard sizes; 2–3 weeks for custom orders.

Company Details

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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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