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D2 Steel Sheets And Plates

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Grand Metal Corporation is acknowledged as a manufacturer, exporter & suppliers of D2 Steel Sheets and Plates, available in a variety or grades, materials, and finishes, in metric and inch sizes. We have a full inventory.

2 flats offered by steel mart is from prime manufacturers & has zero rejections Steel mart firmly believes in catering to the needs of the customers by way of supplying genuine – tested materials at extremely reasonable rates Steel mart is an iso 9001:2008 certified company which reflects the quality consciousness of the boss & staff members Steel mart is in a position to supply all kinds of steels n metals in round , square , flat , sheet , plate , coil sections and holds approx 900 m/t to 1000 m/t stocks of the materials in various godowns & warehouses Steel mart specializes in the supply of:- d2 flats The said d2 flats materials are always supplied with the test certificates and can be supplied in bulk quantity as well as retail quantity as per customers requirements D2 flats can be supplied in size ranging from 0. 2mm thk to 200mm thk D2 flats are supplied by us to various industries

Grand Metal Corporation carries a variety of D2 Steel Sheets and Plates and supply D2 Steel Sheets And Platesat Best suitable price.

Useful Information of D2 Steel Sheets and Plates

(a) The temperature at which to start heat treating is given as a range, the higher side of which should be used for large sections and heavy or rapid reductions, and the lower side for smaller sections and lighter reduction. As the alloy content of steel increases, the time of soaking at forging temperature increases proportionately. Likewise, as the alloy content increases, it becomes necessary to cool slowly from the maximum heating temperature. With very high alloy steels, such as high-speed steels and air- hardening steels, this slow cooling is imperative in order to prevent cracking and to leave the steel in semi-soft condition. Either furnace cooling or burying in an insulating medium, such as lime, mica, or silocel is satisfactory

(b) The length of time the steel is held after being uniformly heated through at the normalizing temperature varies from about 15 minutes for a small section to about one hour for large sizes. Cooling from the normalizing temperature is done in still air. The purpose of normalizing after forging is to refine the grain structure and to produce a uniform structure throughout the forging. Normalizing should not be confused with low temperature [about 1200°F (649°C)] annealing used for the relief of residual stresses resulting from heavy machining, bending, and forming.

(c) The annealing temperature is given as a range, the upper limit of which should be used for large sections and the lower limit for smaller sections. The length of time the steel is held after being uniformly heated through at the annealing temperature varies from about one hour for light sections and small furnace charges of carbon or low alloy tool steel to about four hours for heavy sections and large furnace charges of high alloy steel.

(d) Normalizing, annealing, and hardening temperatures of carbon tool steels are given as ranges as they vary with carbon content. The following temperatures are suggested: Normalizing 0.60 to 0.75% C: 1500°F (816°C) 0.75 to 0.90% C: 1450°F (788°C) 0.90 to 1.10% C: 1600°F (871°C) 1.10 to 1.40% C: 1600 to 1700°F (871 to 927°C) Annealing 0.60 to 0.90% C: 1360 to 1400°F (738 to 760°C) 0.90 to 1.40% C: 1400 to 1450°F (760 to 788°C)

(e) Varies with carbon content as follows: 0.60-0.80% C: 1450-1550°F (788 to 843°C) 0.85-1.05% C: 1425-1550°F (774 to 843°C) 1.10-1.40% C: 1400-1525°F (760 to 829°C)

(f) Toughness decreases with increasing carbon content and depth of hardening.

(g) For large tools and tools having intricate sections, preheating at 1050-1200°F (566-649°C) is recommended.

(h) When high temperature heating is carried out in a salt bath, the range of temperatures should be about 25°F (14°C) lower than that shown.

(j) Times shown apply to open furnace heat treatment. For pack hardening a common rule is to heat for 1/2 hour per inch (25.4 mm) of cross section of the pack.

(k) Double tempering suggested for not less than one hour at temperature each

Grade, Standard and Chemical Composition

AISI ASTM EN DIN C % Max Mn % Max Si % Max S % Max P % Max Cr % Max Ni % Max Mo % Max Others %
304 1.4301 0.08 2 1 0.03 0.045 18.00-20.00 8.00-11.00 - -
309 1.4828 0.2 2 0.75 0.03 0.045 22.00-24.00 12.00-15.00 - -
310 1.4841 0.25 2 1.5 0.03 0.045 24.00-26.00 19.00-22.00 - -
316 1.4401 0.08 2 1 0.03 0.045 16.00-18.00 10.00-14.00 2.00-3.00 -
321 1.4541 0.08 2 1 0.03 0.045 17.00-19.00 9.00-12.00 - Ti : Min (5xC%)
410 1.4006 0.15 1 1 0.03 0.04 11.50-13.50 - - -
420 1.4021 0.15 Min 1 1 0.03 0.04 12.00-14.00 - - -
430 1.4016 0.12 1 1 0.03 0.04 16.00-18.00 - - -
431 1.4057 0.2 1 1 0.03 0.04 15.00-17.00 1.25-2.50 - -
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