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Fiat Chrysler electrifies the Ram 1500 truck


Unveiled at the 2018 Detroit auto show, the 2019 Ram 1500 has shed 100kg and added e-torque power. Available with a 5.7-liter Hemi V8 or a second-generation 3.6-liter Pentastar V6 engine, the 1500 uses mild-hybrid capability to recapture energy during deceleration to enable start/stop function as well as short-duration torque addition.

Mercedes-Benz unveils its revamped G-Class


The all-new G-Class makes its public debut at the Detroit auto show in the USA this month in G550 form. Completely redeveloped and fitted with a 4.0-liter V8 biturbo gasoline engine offering 427ps and 450 lb-ft of torque at 2,000rpm to 4,750rpm, despite near-identical looks to its predecessor plenty has changed for the Mercedes-Benz SUV.

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Sandvik technology facilitating lighter, high-pressure GDI systems

Pressurfect is a new range of GDI tubing designed to handle higher operating pressures while delivering exceptional weight savings of up to 40%. The range offers substantial design and operational benefits, with the ability to handle operational pressures over 350 bar/35MPa.

“The development and introduction of Pressurfect means highly efficient gasoline direct injection systems can advance still further continuing the development by manufacturers of high efficiency, low emission vehicles,” explains Jari Ponsiluoma, Sandvik global product manager for Pressurfect.

The drive to deliver lower emissions is being dictated by tougher regulations in Europe, as well as in the USA and China. In particular, China has recently specified GDI as one of the powertrain technologies of the future, with the government stating its intention to accelerate the development of direct injection fuel systems. By 2015, China estimates that 30-40% of new production cars will use GDI systems to reduce fuel consumption.

Designed for stronger, safer handling of fuel pressures with no pitting or cracking, standard Pressurfect is an austenitic chromium nickel steel designed for fuel rails and fuel lines.

Offering lightweight duplex stainless steel tubing with superior mechanical strength Pressurfect XP enables the reduction of tube wall thicknesses by up to 40%, with the ability to handle the same high operating pressures as thicker tubes.

Both Sandvik materials offer higher corrosion resistance and the ability to handle the increasing operational pressure levels being demanded for GDI fuel systems. Optimized for safe, reliable operation, as well as drilling and turning, when used in fuel lines they are easier to bend and shape as required.

“Selecting the right material to meet specific application requirements needs careful consideration. To ensure we deliver the best solution for a given application, we work closely with manufacturers at the outset of the process,” adds Ponsiluoma.

Sandvik will be showcasing Pressurfect at Engine Expo 2015, Messe Stuttgart, in Germany.

11 June 2015


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