Structural Steels

What We Supply

Structural Steels

Beams, plates, channels, angles, and hollow sections  sourced from qualified steel mills and stockholders, certified to international standards, and delivered to project specifications.

NASQS supplies structural steel materials for industrial construction, power generation, oil & gas, infrastructure, and heavy engineering projects. We source from qualified steel mills and authorised stockholders across India, China, and the Middle East  covering standard sections, plates, and fabricated structural components.

Our structural steel supply is specification-driven. We procure against your project drawings, material take-offs, and applicable standards  ensuring correct grades, dimensions, lengths, and surface requirements. For projects requiring fabricated structural items, we coordinate with qualified fabrication workshops and manage inspection throughout the process.

Product Range

  • Structural Sections
  • Steel Plates
  • Hollow Sections
  • Fabricated Structural Items

Parameter

Details

Types

Universal Beams (UB/W), Universal Columns (UC/H), I-Beams (IPE/HEA/HEB), Channels (UPE/UPN/C), Angles (Equal/Unequal)

Materials

Structural Carbon Steel, High-Strength Low-Alloy (HSLA)

Grades

ASTM A36, A572 Gr. 50/60/65, A992; EN 10025 S235/S275/S355; JIS SS400/SM490

Size Range

As per standard section tables and project requirements

Length

Standard mill lengths (6m, 12m) or cut-to-length

Standards

ASTM A6, EN 10034, JIS G3192 (dimensional tolerances)

Applications

Building frames, industrial structures, pipe racks, equipment supports, platforms

Parameter

Details

Types

Hot-Rolled Plates, Floor Plates (Chequered), Wear-Resistant Plates

Materials

Carbon Steel, High-Strength, Pressure Vessel Grade, Wear-Resistant

Grades

ASTM A36, A572 Gr. 50, A516 Gr. 60/70, A283 Gr. C; EN 10025 S235/S275/S355; Hardox 400/450/500

Thickness

3mm to 200mm

Width

Up to 3500mm (mill-dependent)

Length

Up to 12000mm (or cut-to-size)

Standards

ASTM A6 (dimensional), ASTM A20 (general requirements)

Applications

Base plates, gusset plates, stiffeners, tank shells, equipment skids, wear liners

Parameter

Details

Types

Rectangular Hollow Sections (RHS), Square Hollow Sections (SHS), Circular Hollow Sections (CHS)

Materials

Carbon Steel, Structural Grade

Grades

ASTM A500 Gr. B/C; EN 10210/10219 S235/S275/S355

Size Range

20×20mm to 400×400mm (SHS/RHS); 21.3mm to 508mm OD (CHS)

Wall Thickness

2mm to 16mm

Standards

ASTM A500, EN 10210 (hot-finished), EN 10219 (cold-formed)

Applications

Structural columns, trusses, handrails, frames, architectural elements

Parameter

Details

Types

Fabricated beams, columns, trusses, pipe racks, platforms, stairs, ladders, handrails, equipment skids

Materials

As per project specification  typically A36/A572/S355

Processes

Cutting, drilling, welding, surface preparation, painting/galvanising

Standards

AISC 360, AWS D1.1, EN 1090, project-specific welding procedures

Surface Treatment

Shot blasting (SA 2.5), primer, intermediate/finish coat, hot-dip galvanising

Applications

Industrial plant structures, pipe supports, equipment foundations, access platforms

Standards & Specifications

  • ASTM A36: Carbon structural steel (general purpose)
  • ASTM A572: High-strength low-alloy structural steel (Gr. 50/60/65)
  • ASTM A992: Structural steel shapes (W-sections)
  • ASTM A500: Cold-formed welded and seamless structural tubing
  • ASTM A516: Pressure vessel plates — carbon steel for moderate/lower temperature
  • EN 10025: Hot-rolled structural steels (S235, S275, S355)
  • EN 10210: Hot-finished structural hollow sections
  • EN 10219: Cold-formed welded structural hollow sections
  • JIS G3101: Rolled steels for general structure (SS400)
  • JIS G3106: Rolled steels for welded structure (SM490)
  • AISC 360: Specification for structural steel buildings
  • AWS D1.1: Structural welding code — steel

Common Material Grades

Category Grades
General Structural ASTM A36, EN S235JR/J0/J2
High-Strength ASTM A572 Gr. 50/65, EN S355JR/J0/J2/K2
Structural Shapes ASTM A992 (W-sections), A588 (weathering steel)
Hollow Sections ASTM A500 Gr. B/C, EN S355J2H
Plates (Pressure) ASTM A516 Gr. 60/70, A283 Gr. C
Wear-Resistant Hardox 400, 450, 500
Japanese JIS SS400, SM490A/B/C

How We Ensure Quality

01

Mill Qualification

We source from qualified steel mills with valid production certifications and consistent quality history.
02

Dimensional Verification

Section dimensions, plate thickness, length, and straightness are verified against applicable tolerances.
03

Material Testing

Chemical composition and mechanical properties verified through MTCs cross-checked against specified grades.
04

Surface Inspection

Visual inspection for surface defects, laminations, and mill scale condition per project requirements.
05

Fabrication QC

For fabricated items, we coordinate inspection of welding, dimensional accuracy, surface preparation, and coating application.
06

Documentation

Complete certification packages mill certificates, inspection reports, coating reports, and traceability records.

Industries

Power Generation

Turbine building structures, pipe racks, boiler support steel, platforms and access

Oil & Gas

Process structures, pipe supports, module frames, offshore structural components

Petrochemical

Equipment support structures, pipe racks, tank foundations

Infrastructure

Bridges, buildings, industrial sheds, warehouses, commercial structures

Heavy Engineering

Equipment skids, crane structures, heavy fabrications, machine bases
Get In Touch

Need Structural Steel for Your Project?

Share your material take-off, structural drawings, or specification  and we’ll provide a sourcing proposal with pricing, lead times, and quality assurance options.

Prompt Response

Enquiries addressed within one business day.

Quality-Focused

Every supply is backed by inspection and documentation support.

Global Sourcing Network

Access to approved manufacturers across Asia and international markets.

Dedicated Coordination

Single point of contact from enquiry to delivery.

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