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Daihen Heterogeneous Stud

Made in Japan
Manufacturer: DAIHEN

Heterogeneous studs are widely used as joint reinforcing bars for expansion joints of road bridges, pillars of steel slab bridges, building foundation pile head joints, earthquake resistant walls, pillar anchor plates and others.

Steel bars for reinforced concrete SD 295 A, B and SD 345 prescribed in JIS G 3112 have no carbon, hence greatly affect the weldability. On the contrary, if there is any amount of carbon in steel bars, this amount will be very high and it cannot be an appropriate welding material.
We have made an agreement with steel bar manufacturers on the many specifications like: chemical composition and mechanical properties of steel bars in order to achieve good welding ability and deforming studs.

Application:

JFE-DS 400 D (KDS 400 D): Rebar of bridge-oriented steel expansion joint such as anchor bar, high wall column, median strip (D 25 only)

JFE-DS 490 D (KDS 490 D): pile head stud construction method, epoquin stud method, scud lock method, earthquake resistant wall, caisson, etc

Specifications:

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