About our products: China united iron and steel limited is a company specialized in mild steel plate, Stainless steel plates, Stainless welded pipe, and seamless stainless pipes. Our supply capacity per year is about 8,900,000 tons stainless plate/coil according to ASTM A240, ASME SA240, JIS, AISI, EN, AND Other special requirements from our customer.
Why Does Rolex Use 904l Stainless Steel?
In additon, waterproof watches are especially susceptible – as the threads holding the crown and case back can’t corrode. Grade 904L Stainless Steel contains high quantities of pricey metals, such as nickel and molybdenum. The first Tudor watches produced in the 1920s and Thirties bore a Tudor signature on the dial, with the horizontal bar of the T lengthened above the other letters.
Why Don’t Other Manufacturers Use 904l Steel?
2011 saw the discharge of the Tudor Heritage Advisor alarm watch, the Fastrider Chronograph, and the Clair de Rose assortment for women. In 2012, the focus was on divers’ watches with the Heritage Black Bay, a reinterpretation of the early Tudor Submariner fashions, and the Pelagos diver’s watch. The Pelagos has a case that measures 42 A240 304L Stainless steel plate mm, and is manufactured from titanium – making it the first watch from the Rolex family to be made from the material. In 2013, the Heritage Black Bay received the “Revival” Prize on the Grand Prix d’Horlogerie de Genève.
- Grade 904L stainless steels has wonderful resistance to seawater and also in opposition to chloride assault.
- With all these protections keeping a Rolex watch useful, the world that almost all Rolex wearers get nervous are scratches.
- High resistance of grade 904L in opposition to stress corrosion is because of the presence of excessive quantities of nickel in its composition.
- The addition of copper to these grades develops resistance to sulphuric acid and other reducing agents.
Grade Specification Comparison
The Pelagos went on to win the “Sports Watch” prize in 2015. In 2014, Tudor expanded the Heritage collection with the Ranger, a army-type watch similar to a 1967 model.It also saw the launch of the Tudor Style line of males’s and women’s costume watches. In 2015, Tudor launched the North Flag, named for a key second in Tudor’s historical past, the British North Greenland Expedition in 1952.
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Around 1936, the emblem modified to the name in Gothic characters accompanied by a defend bearing the Tudor rose, emblem of the lengthy-reigning English Tudor dynasty. In 1947, one yr after the official launch of Tudor Montres SA, the shield was eliminated and the rose appeared alone with the brand name. The shield remains as the brand on all Tudor watches while the rose is now used on the winding crowns.
Today, most of the functions that make use of grade 904L are replaced by low-price duplex chrome steel 2205. Although many watch aficionados perceive that watches are created from stainless-steel, most don’t know a lot about why they use this metal. Stainless metal is significant for the wristwatch – with the proximity to your skin, you possibly can construct up sweat and moisture, making the watch a corrosion magnet.