INDUSTRY COMPONENT

Steel Leg A

Steel Leg A is a structural support component made from angle bar, designed to provide vertical load-bearing capacity and stability in industrial machinery frames.

Component Specifications

Definition
Steel Leg A is a precision-engineered structural component fabricated from hot-rolled steel angle bar, typically forming the vertical support members in machinery frames. It functions as a critical load-bearing element that transfers operational forces from upper machine structures to the foundation while maintaining dimensional stability under dynamic loading conditions. The component features standardized mounting interfaces for secure attachment to both machine superstructure and base plates, with optimized geometry to minimize deflection while maximizing strength-to-weight ratio.
Working Principle
Steel Leg A operates on the principle of compressive load transfer through vertical column action, where axial forces are transmitted along the length of the angle bar section. The L-shaped cross-section provides enhanced resistance to bending moments in multiple directions, while the material's yield strength determines the maximum sustainable load before plastic deformation occurs. The component maintains structural integrity through proper force distribution across its cross-sectional area, with stress concentrations mitigated through radiused corners and uniform material thickness.
Materials
ASTM A36 hot-rolled structural steel angle bar, yield strength: 250 MPa minimum, ultimate tensile strength: 400-550 MPa, carbon content: 0.26% max, manganese: 0.80-1.20%, phosphorus: 0.04% max, sulfur: 0.05% max. Surface finish: mill scale or pickled and oiled.
Technical Parameters
  • length 1200mm ±2mm
  • weight 18.6 kg/m
  • dimensions L100x100x10mm
  • hole_pattern 4x Ø12mm holes at 100mm centers
  • surface_area 0.48 m²/m
  • section_modulus 34.5 cm³
  • moment_of_inertia 172 cm⁴
  • flatness_tolerance 1mm per meter
  • straightness_tolerance 2mm total length
Standards
ISO 657-1, DIN EN 10056-1, ASTM A36

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Steel Leg A.

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Overloading beyond rated capacity
  • Improper alignment during installation
  • Corrosion in humid environments
  • Fatigue failure from cyclic loading
  • Weld cracking at attachment points
FMEA Triads
Trigger: Excessive operational loads exceeding design limits
Failure: Plastic deformation or buckling of the angle section
Mitigation: Implement load monitoring systems, regular inspection for deformation signs, and strict adherence to maximum load specifications
Trigger: Vibration-induced fatigue at stress concentration points
Failure: Crack initiation and propagation at hole edges or welded joints
Mitigation: Apply radiused edges on cutouts, implement vibration damping mounts, conduct periodic non-destructive testing
Trigger: Galvanic corrosion in dissimilar metal contact
Failure: Section loss and reduced load-bearing capacity
Mitigation: Use insulating gaskets between dissimilar metals, apply protective coatings, implement cathodic protection where applicable

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Geometric tolerances per ISO 2768-mK, dimensional tolerances per ISO 13920-B, straightness: 0.1% of length max, flatness: 0.2% of width max
Test Method
Ultrasonic testing for internal defects per ASTM A898, dimensional verification with CMM per ISO 10360, load testing per ISO 7500-1 with 150% design load for 24 hours

Buyer Feedback

★★★★☆ 4.5 / 5.0 (36 reviews)

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Steel Leg A meets all ISO standards."

"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Steel Leg A arrived with full certification."

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Frequently Asked Questions

What is the maximum load capacity of Steel Leg A?

The maximum axial load capacity is 85 kN under static conditions, with a safety factor of 3:1 applied. Dynamic loading capacity depends on vibration frequency and should be calculated using the component's natural frequency of 45 Hz.

Can Steel Leg A be used in corrosive environments?

Standard A36 steel requires protective coating for corrosive environments. For applications with chemical exposure, specify galvanized (ASTM A123) or stainless steel (304/316) alternatives with appropriate material certifications.

What mounting hardware is compatible with Steel Leg A?

Use M12 grade 8.8 bolts with flat washers and spring washers for secure attachment. Torque specifications: 90 Nm for dry threads, 70 Nm for lubricated threads. Always verify bolt length to ensure full thread engagement.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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