Soma Steel International

Adhering to the company's philosophy to make and bring quality to customers



PC
Strand


SIW PC Strands have been granted the Thai Industrial Standard, TIS 420 by the Ministry of Industry and are manufactured in accordance with AS/NZS 4672, ASTM A416A, BS 5896, JIS G 3536 and pr EN 10138-3. SIW also produces special-grade products according to customer´s requirements.

Major Aplications

• Pre-stressed concrete Girders
• Bonded post-tensioned flooring systems
• Hollow-core slabs
• Ground and Rock anchors


PC
Wire


SIW PC Wires have been granted the Thai Industrial Standard, TIS 95 and are manufactured in accordance with ASTM A421, JIS G3536, AS/NZS 4672, BS 5896 and pr EN 10138-2. SIW also produces special grade products according to customer´s requirements.

Major Applications

• Pre-Stressed concrete piles & pipes,
• Electric poles,
• Hollow-core slabs,
• Railway sleepers,
• Concrete panels for pre-cast segments,
• Ground and rock anchors

PC Unbon-ded Strand


SIW Unbonded PC Strands are bare strands coated with grease and polyethylene. Mechanical properties of the bare strand are the same as PC Strand which is manufactured in accordance with AS/NZS 4672, ASTM A416, BS 5896, JIS G 3536 and pr EN 10138-3. SIW also produces special grade products according to customer´s requirements.

Major applications

• Unbonded post-tensioned flooring systems.
• Subway tunnels.
• Ground Slabs.

Cold Drawn &
Hard Wire


Cold Drawn Wire has been granted the Thai Industrial Standard, TIS 747 for plain type and TIS 943 for deformed/ribbed type and is manufactured in accordance with ASTM A82 (plain type), ASTM A 496 (deformed/ribbed type), BS 4482, AS 1303 and AS/NZ6 4671 Hard drawn wire is manufactured in accordance with ASTM 1648.
Both cold drawn and hard drawn wire can also be produced according to customer´s special requirements.

Major applications

• Wire meshes
• Water pipes
• Steel stirrups


Welded Wire
Mesh


SIW Welded wire mesh has been granted the Thai Industrial Standard.

TIS 737 for plain type and TIS 926 for deformed/ribbed type, and is manufactured in accordance with ASTM A185 (plain type), ASTM A497 (deformed/ribbed type), and BS 4483. Welded wire mesh can also be produced in accordance with customer´s special requirements.
SIW welded wire mesh greatly reduces placing time, manpower, and saves considerable construction cost. Moreover, the deformed/ribbed wire mesh increases bonding strength between concrete and ribbed surfaces of wire up to 3 times more than ordinary smooth wire mesh. This enables more tolerance and durability to constructions.

Major applications

• On ground slabs
• Pavements
• Box culverts
• Bottom mesh on post-tensioned floors