Annual Star Pte. Ltd. supplies premium pipes, fittings, flanges, bars, fasteners and copper products for global industries.

Bars
Annual Star Pte. Ltd.

Bars

Common banner, rich product data, specifications, materials, types, dimensions and applications.

Metal Bars


Round, square, hex and flat bars for machining, fabrication, shafts, fasteners and structural use. Annual Star Pte. Ltd. supports bulk, project and urgent supply requirements with practical documentation and logistics coordination.

Bars
Sizes

Round 3 mm to 300 mm, flats and square bars as required

Standards

ASTM A276, A479, A182, EN 10088, DIN

Shapes

Round, square, hex, flat, hollow and precision ground bars

Length

2 m to 6 m, random length and cut length

Finishes

Black, bright, peeled, polished, centreless ground

Materials & Grades

SS 303/304/316/410, Duplex, Alloy Steel, Copper, Brass

Types & Supply Options


Round Bars
Available

Round Bars

Common machining stock for shafts, pins, fasteners and components.

Square Bars
Available

Square Bars

Used in fabrication, frames, supports and machined blocks.

Hex Bars
Available

Hex Bars

Preferred for nuts, fittings and turned components.

Flat Bars
Available

Flat Bars

General fabrication, brackets, base plates and structural details.

Bright Bars
Available

Bright Bars

Precision finished bars for close tolerance machining.

Hollow Bars
Available

Hollow Bars

Reduced machining waste for bushings and sleeve components.

Annual Star Pte. Ltd. • Product Specifications

Metal Bar Materials & Grades

Carbon & Mild Steel

Highly machinable and formable, ideal for structural supports, shafts, and general manufacturing components.

  • Standard: ASTM A108, A36, A29
  • Grades: 1018, 1045, A36

Stainless Steel

Excellent strength and corrosion resistance for machining into fasteners, pump shafts, and sanitary fittings.

  • Standard: ASTM A276, A479
  • Grades: 304/304L, 316/316L, 410

Alloy Steel

Engineered for high tensile strength and wear resistance, commonly used in aerospace and automotive gearing.

  • Standard: ASTM A193, A322
  • Grades: 4140, 4340, B7

Duplex & Super Duplex

Maximum yield strength and resistance to stress corrosion cracking for marine and petrochemical environments.

  • Standard: ASTM A276, A479
  • Grades: UNS S31803 (F51), S32750 (F53)

Common Dimension Chart


Size / Type OD / Range Schedule / Class Thickness / Grade Standard Length / Finish
Round Bar 3 - 12 mm ASTM A276 Bright / Black 2 m - 4 m SS / Alloy / Copper
Round Bar 12 - 50 mm ASTM A276 / A479 Peeled / Polished 3 m - 6 m SS / Duplex
Round Bar 50 - 300 mm ASTM A182 / A479 Black / Forged Random / Cut SS / Alloy Steel
Square Bar 6 - 100 mm EN / ASTM Bright / Black 3 m - 6 m SS / MS
Hex Bar 6 - 75 mm ASTM A276 Bright 3 m - 4 m SS / Brass
Flat Bar 10 x 3 - 200 x 25 mm ASTM / EN Mill / Polished 3 m - 6 m SS / Carbon
Copper Rod 3 - 150 mm ASTM B187 Drawn / Polished 2 m - 4 m C110 / C122
Custom Bar As drawing Project spec Machined Cut length As required

Applications


Oil & GasProcess lines, utility piping and shutdown maintenance supply.
MarineCorrosion-aware supply for shipyards, ports and offshore projects.
Power PlantsMaterials for thermal, renewable and electrical infrastructure.
ManufacturingReliable stock for fabrication, machining and production lines.
InfrastructureSupply support for construction, water, rail and public works.
Heat TransferCopper, tube and pipe solutions for HVAC and exchangers.
Chemical ProcessGrades selected for pressure, temperature and corrosion exposure.
MaintenanceFast replacement supply for repair and plant turnaround work.