INDUSTRY COMPONENT

Tank Shell

Tank shell is the primary structural component of a melt surge tank, designed to contain molten materials under pressure and temperature variations.

Component Specifications

Definition
The tank shell is a cylindrical or spherical pressure vessel component that forms the main containment structure of a melt surge tank. It is engineered to withstand internal pressures from molten materials, thermal stresses from temperature fluctuations, and external mechanical loads. The shell provides structural integrity, prevents material leakage, and maintains process stability in industrial melting operations.
Working Principle
The tank shell operates on pressure vessel principles, distributing internal stresses uniformly through its curved geometry. It contains molten materials while resisting deformation through material strength and structural design. Thermal expansion is managed through material selection and design features to prevent failure under cyclic heating and cooling conditions.
Materials
Stainless steel (AISI 316L, 304L), carbon steel (SA-516 Gr.70), alloy steels with high-temperature resistance. Thickness: 10-50mm depending on pressure rating. Surface finish: Ra ≤ 3.2μm for corrosion resistance.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Height1200-5000mm
Diameter800-3000mm
Surface Area5-50 m²
Wall Thickness10-50mm
Connection TypeFlanged (ANSI/ASME B16.5)
Pressure Rating0.5-3.0 MPa
Temperature Range-20°C to 450°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 16528-1, ASME BPVC Section VIII, DIN 28011, PED 2014/68/EU

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Pressure vessel failure
  • Thermal stress cracking
  • Corrosion degradation
  • Fatigue failure from cyclic loading
  • Material incompatibility with molten contents
FMEA Triads
Trigger: Corrosion from aggressive molten materials
Failure: Wall thinning and eventual rupture
Mitigation: Use corrosion-resistant materials, implement regular thickness monitoring, apply protective coatings
Trigger: Thermal cycling beyond design limits
Failure: Fatigue cracking at stress concentration points
Mitigation: Design for thermal stress relief, implement temperature control systems, use materials with good thermal fatigue resistance
Trigger: Overpressure due to process upsets
Failure: Catastrophic rupture
Mitigation: Install pressure relief devices, implement pressure monitoring systems, conduct regular pressure testing

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±1mm on diameter, ±2mm on height, ±0.5mm on wall thickness
Test Method
Hydrostatic pressure testing at 1.5x design pressure, ultrasonic thickness testing, radiographic examination for welds, dye penetrant testing for surface defects

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Tank Shell

Manufacturer profiles associated with Tank Shell.

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Frequently Asked Questions

What is the primary function of a tank shell in a melt surge tank?

The tank shell provides structural containment for molten materials, maintaining pressure integrity and preventing leaks while withstanding thermal and mechanical stresses.

What materials are commonly used for tank shell construction?

Common materials include stainless steel (316L, 304L) for corrosion resistance and carbon steel (SA-516) for high-strength applications, with thicknesses typically ranging from 10-50mm.

How does tank shell design accommodate thermal expansion?

Design features include expansion joints, proper material selection with compatible thermal expansion coefficients, and calculated clearance allowances to prevent stress buildup during temperature cycles.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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