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ASTM A240 316H Stainless Steel Plate for Petrochemical & Power Generation

China ASTM A240 316H Stainless Steel Plate for Petrochemical & Power Generation

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ASTM A240 316H Stainless Steel Plate for Petrochemical & Power Generation

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	316H
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	316H
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	316H
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	316H
Certification	ISO	Place of Origin	China
High Light	ASTM A240 316H stainless steel plate ，316H stainless steel plate for petrochemical ，stainless steel plate for power generation

ASTM A240 316H Stainless Steel Plate for Petrochemical & Power Generation Applications

Stainless Steel Plate Specifications

Name	316H 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,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

ASTM A240 316H Stainless Steel Plate – Engineered for Petrochemical & Power Generation Applications

Product Overview

ASTM A240 316H stainless steel plate is a high-carbon variant of the widely used 316 austenitic stainless steel, specifically formulated to deliver exceptional mechanical strength and structural stability at elevated temperatures. Compliant with the ASTM A240/A240M standard—the benchmark specification for pressure vessel and high-temperature service materials—316H is indispensable in the petrochemical, oil & gas, nuclear, and fossil-fuel power generation industries, where reliability under extreme thermal and corrosive stress is non-negotiable.

Unlike standard 316 (UNS S31600), 316H (UNS S31609) contains a controlled carbon content of 0.04–0.10%, which significantly enhances its creep resistance and long-term strength above 500°C (932°F)—making it ideal for critical components exposed to sustained high-temperature operation.

Why ASTM A240 316H? Key Advantages

✅ Superior high-temperature strength vs. 316/316L
✅ Excellent resistance to oxidation up to 870°C (1600°F)
✅ Outstanding corrosion resistance in chloride, acidic, and sulfidic environments
✅ Full compliance with ASME BPVC Section II for pressure-retaining parts
✅ Weldable with proper procedures—retains integrity in post-weld high-temp service

Chemical Composition (ASTM A240 / UNS S31609)

Element	Requirement (Weight %)
Carbon (C)	0.04 – 0.10
Manganese (Mn)	≤ 2.00
Phosphorus (P)	≤ 0.045
Sulfur (S)	≤ 0.030
Silicon (Si)	≤ 0.75
Chromium (Cr)	16.0 – 18.0
Nickel (Ni)	10.0 – 14.0
Molybdenum (Mo)	2.0 – 3.0
Iron (Fe)	Balance

Mechanical Properties (Per ASTM A240)

Property	Minimum Requirement
Tensile Strength	515 MPa (75,000 psi)
Yield Strength (0.2% offset)	205 MPa (30,000 psi)
Elongation	40% (in 50 mm)
Hardness	≤ 95 HRB
Density	8.0 g/cm³

All plates are supplied with Mill Test Reports (EN 10204 3.1) verifying chemistry and mechanical test results.

Performance in Target Industries

1. Petrochemical & Refining Applications

In refineries and chemical plants, equipment faces aggressive media such as:

Hydrogen sulfide (H₂S)
Sulfuric and hydrochloric acids
Chloride-laden process streams

316H excels in:

Reactor shells and internals
Heat exchangers and reboilers
Distillation columns
Sour gas service piping supports

Its molybdenum content (2–3%) provides critical resistance to pitting and crevice corrosion—especially vital in coastal or offshore facilities.

2. Power Generation

In power plants, components operate continuously at high temperatures under pressure. 316H is specified for:

Superheater and reheater headers
Steam generator tubesheets
Boiler baffles and support structures

Thanks to its high creep-rupture strength, 316H maintains dimensional stability over decades of service—reducing maintenance costs and unplanned outages.

High-Temperature Capabilities

Service Condition	Maximum Temperature
Continuous Oxidizing	870°C (1600°F)
Intermittent Oxidizing	925°C (1700°F)
Creep-Critical Service	550–750°C (1022–1382°F)

Creep Rupture Strength (Approximate):

At 700°C: ～35 MPa for 10,000 hours
At 650°C: ～55 MPa for 10,000 hours

Source: ASME Boiler & Pressure Vessel Code, Section II, Part D

Fabrication Guidelines

Welding: Use low heat input; filler metals like ER316H or ER316L (for thin sections). Post-weld heat treatment is typically unnecessary but may be applied in severe corrosion service.
Forming: Excellent cold-forming capability; anneal after severe deformation (>20% reduction).
Machining: Requires sharp tools, slow speeds, and ample coolant due to work-hardening tendency.
Heat Treatment: Solution anneal at 1040–1150°C (1900–2100°F), followed by rapid quenching.

⚠️ Avoid prolonged exposure between 425–860°C (800–1600°F) to prevent sensitization unless stabilized alternatives are required.

Available Product Specifications

Parameter	Options
Standard	ASTM A240, ASME SA-240
Grade	316H (UNS S31609)
Thickness	6 mm to 150 mm (0.25" to 6")
Width	Up to 3000 mm (118")
Length	Up to 12,000 mm (472")
Surface Finish	2B, No. 1, BA, Pickled & Annealed
Certification	EN 10204 3.1 MTR, PMI available
Testing	UT (Ultrasonic), ICP-OES chemistry, tensile tests

Custom cutting (plasma, laser, waterjet), beveling, and machining services available.

Quality Assurance

Our ASTM A240 316H plates are manufactured under ISO 9001:2015-certified processes, with full traceability from raw material to finished product. Every heat is:

Spectrometrically analyzed
Mechanically tested per ASTM standards
Visually and dimensionally inspected
Packaged for international shipment with moisture barriers

Comparison: 316H vs. Common Alternatives

Grade	Carbon (%)	Best For	Limitations
316H	0.04–0.10	High-temp strength (>500°C)	Not ideal for severe welding without controls
316L	≤0.03	Welded corrosion service	Lower creep strength
321	～0.08	Stabilized for welding	Lower Mo = less pitting resistance
347	～0.08	High-temp stabilized	Higher cost, niobium inclusion risks

For petrochemical reactors or power plant headers operating above 550°C, 316H remains the optimal balance of cost, performance, and code acceptance.

Global Compliance & Standards

ASTM A240/A240M
ASME SA-240 (Section II, Part A)
UNS S31609
AISI 316H
ISO 15510: X2CrNiMo17-13-3 (adjusted C)
Pressure Equipment Directive (PED 2014/68/EU) compliant

Accepted by major EPC firms and inspection agencies worldwide (TÜV, DNV, ABS, etc.).

Conclusion

When your application demands uncompromising performance in high-temperature, high-corrosion environments, ASTM A240 316H stainless steel plate delivers proven reliability across the most demanding sectors of energy and chemical processing. Backed by rigorous quality control, global certifications, and decades of field validation, it remains a cornerstone material for engineers designing systems that must perform safely for decades.

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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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