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Ultra-high-strength-steel-sheet, our advanced and ultra high-strength steel grades for automotive applications offer very high strength and optimised formability.. this allows for weight reduction of and design freedom for different types of structural reinforcements and crash components.. Ultra high-strength steel sheet. high-strength steel sheet is lighter and stronger than ordinary steel sheet. it is primarily used in automobile body frames for lightweighting purposes. the kobe steel group is the world's leader in the development and manufacture of ultra high-strength steel sheet., 40 jfe technical report no. 4 (nov. 2004) ultra high-strength steel sheets for bodies, reinforcement parts, and seat frame parts of automobile—ultra high-strength steel sheets leading to great improvement in crashworthiness—.

Jp4738735b2 - ultra high strength steel sheet, method for producing ultra high strength steel sheet, and ultra high strength steel sheet obtained by the method - google patents ultra high strength steel sheet, method for producing ultra high strength steel sheet, and ultra high strength steel sheet obtained by the method download pdf info publication number jp4738735b2. jp4738735b2 ..., sheets - 1320・1470mpa grade cold-rolled ultra high strength steel sheets. High strength and ultra high strength steels with up to 1400 mpa tensile strength. these steel grades are suitable for cold forming of structural and safety-related automotive components. the high strength level gives potential for considerable weight reduction and a cost-effective way to produce energy efficient vehicles. conventional forming and joining techniques without any extra heat ..., high strength and ultra high strength sheet and plate. steels are thermo-mechanically rolled, weldable fine grain structural steels with excellent cold-forming behaviour, perfect for applications wherever high plasticity coupled with high strength and light-weight design are in demand. the central objective in light-weight design is to achieve . high-performance parts with decreased material ....

The ultra high strength steel sheet spfc980 having a thickness of 2.0 mm was punched at elevated temperatures. when the sheet is heated by a furnace, the temperature decrease and the oxidation of the sheet taken out of the furnace until the forming are large. to prevent the temperature decrease and oxidation, the resistance heating was applied to the warm and hot punching in this study as shown in, cold rolled ultra high-tensile strength steel sheet (1300, 1500, 1700 mpa-grade) high rigidity joining structure utilizing ultra high-tensile strength steel sheet with high formability steel sheet; concept of next-generation ultra high-tensile strength steel sheet (3rd generation: gen.3-1180, 1470 mpa-grade) supporting technology, for forming and design . technology to improve the formability ....

In the present study, the stretch flangeability of the ultra high strength steel sheet having small ductility was improved, and the following results were obtained: 1. the limiting expansion ratio of the high strength steel sheets was increased by optimising the clearance between the punch and die in the shearing, i.e. the optimal ratio of clearance to thickness between the 440 and 980 mpa ...