ULTRA HIGH-TENSION STEEL [CONSTRUCTION]

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Characteristics of Ultra High-Tensile Steel Plates

•  Ultra high-tensile steel plates have enhanced tensile strength compared to previous high-tensile steel plates.
•  Because the strength is maintained even though the plates are thin-walled, the ultra high-tensile steel plates are used for the frames and the main frame parts which form the cabin, reducing the weight of the vehicle.
•  Enhanced shock absorption has improved the safety.

Range of Use and Cautions for Service

•  Because the ultra high-tensile steel is hard and it may be difficult to reform, when extracting the damaged part using a frame repair machine, perform the work verifying that other parts are not affected.
•  When drilling welded parts, use a well-ground drill bit.
•  After welding, inspect the weld strength. If adhesion is poor, perform arc welding (plug welding).
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NO.
Part Name
Strength (MPa)
1
Bumper bracket
590
2
Front side frame (outer, rear)
590
3
Front side frame (inner, rear)
590
4
Apron reinforcement No.3
590
5
Front frame (rear)
590
6
Inner front pillar
780
7
Inner hinge pillar
590
8
Roof rail (inner)
590
9
Roof rail reinforcement
780
10
Front pillar reinforcement
590
11
Hinge reinforcement (upper)
590
12
Hinge reinforcement lower
590
13
Side sill reinforcement
780
14
Center pillar reinforcement (upper)
980
15
Center pillar reinforcement (lower)
590
16
Side sill reinforcement (rear)
590
17
Suspension housing reinforcement (upper)
780
18
Lower cowl side reinforcement (rear)
590
19
Roof reinforcement No.2
590
20
Front B frame front
590
21
Front B frame rear
590
22
Floor reinforcement
780
23
Crossmember No.2
590
24
Crossmember No.2.5
780
25
Tunnel reinforcement
590
26
Side sill (inner, front)
590
27
Side sill (inner, rear)
780
28
Crossmember No.3 (lower)
590
29
Rear frame reinforcement
590
30
Rear side frame (front)
590
31
Rear side frame (center)
590
32
Rear side frame (rear)
590
33
Floor side panel No.1
590
34
Rear bumper bracket
590