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 CO2 arc welding (plug welding).

4SD

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NO.
Part Name
Strength (MPa)
1
Front side frame (inner, rear)
590
2
Hinge pillar (inner)
590
3
Front pillar (inner)
590
4
Front pillar reinforcement
590
5
Roof rail reinforcement
590
6
Roof rail (inner, rear)
590
7
Rear side frame (center)
590
8
Rear side frame (rear)
590
9
Rear side frame (front)
590
10
Crossmember No.3 (front)
590
11
Side sill (inner)
590
12
B-pillar reinforcement (outer, lower)
590
13
Side sill reinforcement
590
14
Crossmember No.2
590
15
Hinge reinforcement
590
16
Dash lower member
590
17
B-pillar reinforcement (inner)
780
18
Roof reinforcement No.2
780
19
B-pillar reinforcement (outer, upper)
780
20
Crossmember No.3
590

5HB

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NO.
Part Name
Strength (MPa)
1
Front side frame (inner, rear)
590
2
Hinge pillar (inner)
590
3
Front pillar (inner)
590
4
Front pillar reinforcement
590
5
Roof rail reinforcement
590
6
Roof rail (inner, rear)
590
7
Rear side frame (center)
590
8
Rear side frame (rear)
590
9
Rear side frame (front)
590
10
Crossmember No.3 (front)
590
11
Side sill (inner)
590
12
B-pillar reinforcement (outer, lower)
590
13
Side sill reinforcement
590
14
Crossmember No.2
590
15
Hinge reinforcement
590
16
Dash lower member
590
17
B-pillar reinforcement (inner)
780
18
Roof reinforcement No.2
780
19
B-pillar reinforcement (outer, upper)
780
20
Crossmember No.3
590