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Shijiazhuang BKDR Metallurgical Science & Technology Co.,Ltd

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    • Low Si High Carbon FeCr

    Low Si High Carbon FeCr

    • Brand: BKDR
    • Packaging: 1mt big bag
    • Supply Ability: 2000mt/month
    • Min. Order: 25 Metric Ton
    • Product Type: Lump
    High Middle carbon ferrochromium 1 Characteristic Ferrochromium is the alloy of chromium and iron and is hard and brittle According to the carbon content it is divided high carbon ferrochromium 4 0 9 0 medium carbon ferrochromium 1 0 4 0 low carbon ferrochromium 0 2 1 and micro carbon ferrochromium carbon less than0...
    • Low/Micro carbon ferrochromium
    • Low/Micro carbon ferrochromium

    Low/Micro carbon ferrochromium

    • Brand: BKDR
    • Packaging: 1mt big bag
    • Supply Ability: 2000mt/month
    • Min. Order: 25 Metric Ton
    • Carbon Content: Low Carbon
    Low carbon ferrochromium 1 Characteristic Ferrochromium is the alloy of chromium and iron and is hard and brittle According to the carbon content it is divided high carbon ferrochromium 4 0 9 0 medium carbon ferrochromium 1 0 4 0 low carbon ferrochromium 0 2 1 and micro carbon ferrochromium carbon less than0 15 2...
    • Hi Chrome Cast Iron Rolls

    Hi Chrome Cast Iron Rolls

    • Brand: Zhengkun
    • Packaging: Inner plastic film and outer corrugated sheet, in steel case
    • Supply Ability: 1000mt/month
    • Min. Order: 5 Piece/Pieces
    • Barrel Diameter: 1500mm Maximum: Unit Weight: 25mt Maximum
    High Chromium Rolls This type of rolls is High Chromium Centrifugal Duplex Rolls produced from high alloy material whose microstructure is bainite and chrome carbides the core of the rolls is filled with spheroidal graphite cast iron the carbide morphology in the outer microstructure is no longer M3C type but becomes...
    • Pearlitic Nodular Cast Iron Rolls

    Pearlitic Nodular Cast Iron Rolls

    • Brand: Zhengkun
    • Packaging: Inner plastic film and outer corrugated sheet, in steel case
    • Supply Ability: 1000mt/month
    • Min. Order: 5 Piece/Pieces
    • Barrel Diameter: 1500mm Maximum: Unit Weight: 25mt Maximum
    Pearlitic Nodular Cast Iron Rolls Pearlitic nodular cast iron rolls aslo called SGP rolls which are obtained by adding alloy elements of Ni Cr Mo into the nodular cast iron and following special heat treatment Pearlitic nodular rolls have high strength good thermal properties and resistance to emergencies as well as...
    • Adamite Vertical Rolls

    Adamite Vertical Rolls

    • Brand: Zhengkun
    • Packaging: Inner plastic film and outer corrugated sheet, in steel case
    • Supply Ability: 1000mt/month
    • Min. Order: 5 Piece/Pieces
    • Barrel Diameter: 1500mm Maximum: Unit Weight: 25mt Maximum
    Adamite Vertical Rolls Adamite is a material mechanical properties and carbon content of which stands between steel and iron Owing to its alloy elements such as Ni Cr Mo etc there are some amount of carbides in the matrix and because of certain special heat treatment technology high wearability good toughness and...
    • HCHSS ROLLS

    HCHSS ROLLS

    • Brand: Zhengkun
    • Packaging: Inner plastic film and outer corrugated sheet, in steel case
    • Supply Ability: 1000mt/month
    • Min. Order: 5 Piece/Pieces
    • Barrel Diameter: 700mm Maximum: Unit Weight: 10mt Maximum
    High Carbon Graphite High Speed Steel Rolls High Carbon Graphite High Spped Steel Rolling Rolls usually short as HCHSS Rolls Because of the advantages of excellent wear resistance good accident resistance and roll shape retention ability high speed steel roll has been widely used in the front stand of hot strip mill...
    • Enhanced Indefinite Chill Cast Iron Rolls

    Enhanced Indefinite Chill Cast Iron Rolls

    • Brand: Zhengkun
    • Packaging: Inner plastic film and outer corrugated sheet, in steel case
    • Supply Ability: 2000mt/month
    • Min. Order: 5 Piece/Pieces
    • Barrel Diameter: 1500mm Maximum: Unit Weight: 25mt Maximum
    Enhanced Indefinite Chill Cast Iron Rolls The enhanced indefinite chilled cast iron roll is developed basing on the traditional ICDP By adding the element of V W Ti Nb the wear resistance of the En IDCP is improved carbide morphology and graphite can be refined and the microstructure changes little from inside to...
    • Pearlitic Nodular Cast Iron Rolls
    • Pearlitic Nodular Cast Iron Rolls

    Pearlitic Nodular Cast Iron Rolls

    • Brand: Zhengkun
    • Packaging: Inner plastic film and outer corrugated sheet, in steel case
    • Supply Ability: 1000mt/month
    • Min. Order: 5 Piece/Pieces
    • Barrel Diameter: 1500mm Maximum: Unit Weight: 25mt Maximum
    Pearlitic Nodular Cast Iron Rolls Pearlitic nodular rolls are obtained by adding alloy elements of Ni Cr Mo into the nodular cast iron and following special heat treatment Pearlitic nodular rolls have high strength good thermal properties and resistance to emergencies as well as small hardness gradient of working...
    • Section Mill Roll Collar
    • Section Mill Roll Collar

    Section Mill Roll Collar

    • Brand: Zhengkun
    • Packaging: Inner plastic film and outer corrugated sheet, in steel case
    • Supply Ability: 1000mt/month
    • Min. Order: 2 Piece/Pieces
    • Barrel Diameter: 1500mm Maximum: Unit Weight: 10mt Maximum
    Section Mill Roll Collar can be produced by static casting or centrifugal casting The Strength of the Roll Collar depend on the material of the collar and the depth of the groove The width of the roll collar usually depend on the experience For Middle and small mills the wide can be 50 100mm For three high blooming...
    • Section Mill Edger Rolls
    • Section Mill Edger Rolls

    Section Mill Edger Rolls

    • Brand: Zhengkun
    • Packaging: Inner plastic film and outer corrugated sheet, in steel case
    • Supply Ability: 1000mt/month
    • Min. Order: 5 Piece/Pieces
    • Barrel Diameter: 1500mm Maximum: Unit Weight: 25mt Maximum
    Edger Rolls also called as vertical rolls the center line of the rolls vertically to the horizontal line used for descaling and edging section mill H beam mill angel steel mill channel steel mill deformed bar mill or rebar mill Material Adamite alloy adamite alloy cast steel alloy cast iron or as per the customer s...
    • Smelting Nodularizer
    • Smelting Nodularizer

    Smelting Nodularizer

    • Packaging: 1mt big bag
    • Supply Ability: 2000mt/month
    • Min. Order: 25 Metric Ton
    • Product Type: Lump
    • Material: FeSi
    Smelting Nodularizer The nodularizer is one of the most important material in the manufacturing process of spheroidal graphite iron and in low carbon grades of steel due to their low carbon content the main content is FeSiMg FeSiMg mainly used as Deoxidizer and desulfurizer in steel making nodularizer in cast iron...
    • Graphite Cast Steel Rolls

    Graphite Cast Steel Rolls

    • Brand: Zhengkun
    • Packaging: Inner plastic film and outer corrugated sheet, in steel case
    • Supply Ability: 1000mt/month
    • Min. Order: 5 Piece/Pieces
    • Barrel Diameter: 1500mm Maximum: Unit Weight: 25mt Maximum
    Graphite Steel Rolls The characteristics of Graphite Steel Rolls are similar to those of Adamite Rolls The main character is that it contains a small amount of fine graphite in its microstructure which will increase its resistance to fire crack and prevent oxidized scales from adhering They are suitable for blooming...
    • High Speed Steel Rolls
    • High Speed Steel Rolls

    High Speed Steel Rolls

    • Brand: Zhengkun
    • Packaging: Inner plastic film and outer corrugated sheet, in steel case
    • Supply Ability: 1000mt/month
    • Min. Order: 5 Piece/Pieces
    • Barrel Diameter: 700mm Maximum: Unit Weight: 10mt Maximum
    High Speed Steel Rolls High Spped Steel Rolling Rolls usually short as HSS Rolls the microstructure of HSS Rolls shows fine and diffuse carbide of MC and M6C embedded in the Martensite The performance of wear resistance thermal hardness and thermal fatigue resistance of HSS roll is excellent So it is widely used for...
    • Adamite Rolls

    Adamite Rolls

    • Brand: Zhengkun
    • Packaging: Inner plastic film and outer corrugated sheet, in steel case
    • Supply Ability: 1000mt/month
    • Min. Order: 5 Piece/Pieces
    • Barrel Diameter: 1500mm Maximum: Unit Weight: 25mt Maximum
    Adamite Rolls Adamite is a material mechanical properties and carbon content of which stands between steel and iron Owing to its alloy elements such as Ni Cr Mo etc there are some amount of carbides in the matrix and because of certain special heat treatment technology high wearability good toughness and excellent...
    • High Chrome Cast Steel Rolls

    High Chrome Cast Steel Rolls

    • Brand: Zhengkun
    • Packaging: Inner plastic film and outer corrugated sheet, in steel case
    • Supply Ability: 1000mt/month
    • Min. Order: 5 Piece/Pieces
    • Barrel Diameter: 1500mm Maximum: Unit Weight: 25mt Maximum
    High Chrome Cast Steel Rolls High Chromium Cast steel roll is manufacturerd with special process of triple casting and double duplex technology High chromium cast steel roll is characterized by high nipping capability high thermal resistance and high wear resistance The Barrel hardness is between 70 85 It is widely...
    • High Chromium Iron Rolls
    • High Chromium Iron Rolls
    • High Chromium Iron Rolls

    High Chromium Iron Rolls

    • Brand: Zhengkun
    • Packaging: Inner plastic film and outer corrugated sheet, in steel case
    • Supply Ability: 1000mt/month
    • Min. Order: 5 Piece/Pieces
    • Barrel Diameter: 1500mm Maximum: Unit Weight: 25mt Maximum
    High Chromium Rolls This type of rolls is High Chromium Centrifugal Duplex Rolls produced from high alloy material whose microstructure is bainite and chrome carbides the core of the rolls is filled with spheroidal graphite cast iron Application Work rolls Vertical Rolls Skin Pass Rolls for hot strip mills Chemical...
    • Forged Steel Backup Rolls
    • Forged Steel Backup Rolls

    Forged Steel Backup Rolls

    • Brand: Zhengkun
    • Packaging: Inner plastic film and outer corrugated sheet, in steel case
    • Supply Ability: 1000mt/month
    • Min. Order: 5 Piece/Pieces
    • Barrel Diameter: 1500mm Maximum: Unit Weight: 25mt Maximum
    Forged Steel Backup Rolls mainly used in normal four high mills the diameter of roll body is between 350mm 1500mm The material of Backup Rolls include 60CrMo 9Cr2Mo 86CrMoV7 70Cr3Mo etc The harding depth depend on the material and heat treatment usually is 15 40mm and the hardness difference between Backup Rolls and...
    • Indefinite Chilled Cast Iron Rolls

    Indefinite Chilled Cast Iron Rolls

    • Brand: Zhengkun
    • Packaging: Inner plastic film and outer corrugated sheet, in steel case
    • Supply Ability: 1000mt/month
    • Min. Order: 5 Piece/Pieces
    • Barrel Diameter: 1500mm Maximum: Unit Weight: 25mt Maximum
    Indefinite Chilled Cast Iron Rolls Alloy Indefinite Chilled Cast Iron Rolls is a cast iron with fine inter crystalline graphite evenly distributed throughout the working layer of roll barrel The addition of alloy elements such as Manganese Nickel Chromium and Molybdenum changes the matrix microstructure from pearlite...
    • Bainitic Nodular Cast Iron Rolls
    • Bainitic Nodular Cast Iron Rolls

    Bainitic Nodular Cast Iron Rolls

    • Brand: Zhengkun
    • Packaging: Inner plastic film and outer corrugated sheet, in steel case
    • Supply Ability: 1000mt/month
    • Min. Order: 5 Piece/Pieces
    • Barrel Diameter: 1500mm Maximum: Unit Weight: 25mt Maximum
    Bainitic Nodular Cast Iron Rolls SGA Alloy elements of Ni Mn Cr Mo etc are added to bainitic nodular cast iron rolls for obtaining acicular bainite martensite matrix in its microstructure of these rolls Its strength and toughnes are higher than Perlitic Nodular Cast Iron Rolls wearability is also better than latter...
    • Forging Steel Work Rolls
    • Forging Steel Work Rolls

    Forging Steel Work Rolls

    • Brand: Zhengkun
    • Packaging: Inner plastic film and outer corrugated sheet, in steel case
    • Supply Ability: 1000mt/month
    • Min. Order: 2 Piece/Pieces
    • Barrel Diameter: 1500mm Maximum: Unit Weight: 25mt Maximum
    Forged Steel Work Rolls causes the metal to deform under normal temperature also the most consumed parts during the cold rolling process The popular material is 2Cr 3Cr 5Cr The hardness of the rolls is different when rolling different products the hardness of the Forged Steel Work Rolls is about 85 102 HSD the harding...

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