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metallurgical materials

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Metallurgical Materials

Rice Husk Ash (RHA - źȭ, ȸȭ, °ú¸³ ¿Õ°Ü) - Á¦°­¿ë º¸¿ÂÁ¦·Î¼­, ¿ë°­ÀÇ Ç¥¸éÀÀ°í ¼Óµµ¸¦ ÃÖ´ëÇÑ ¾ïÁ¦ÇÏ¸ç ´Ü¿­ º¸¿Â È¿°ú°¡ ¶Ù¾î³ª Turn Dish, Ladle, ¹× Ingot ¾ÐÅÁ¿¡ »ç¿ëµÈ´Ù. ÁÖ ¼ººÐÀº Carbon°ú SiO2ÀÌ´Ù. - źȭ¿Õ°Ü : C 15%~50% - ȸȭ¿Õ°Ü : C 5%max - °ú¸³ÅºÈ­¿Õ°Ü : C 15%~50%, źȭ¿Õ°ÜÀÇ GranuleÈ­ - °ú¸³È¸È­¿Õ°Ü : C 5%max, ȸȭ¿Õ°ÜÀÇ GranuleÈ­

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Item

Type

Spec.

źȭ¿Õ°Ü(High C RHA) Powder Carbon : 15~50%
Granule
źȭ¿Õ°Ü(Low C RHA) Powder Carbon : 5% Max
Granule

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Q/DHQ101

  • 1. Name of Product : Purifying Agent for Molten Steel.
  • 2. Type of Product :
    • HW - Patented product, patent No. ZL99127560.8
    • HP - Patented product, patent No. ZL01141396.4
  • 3. Applications :
    • HW - Being used in the process of making spring steel automobile steel
    • HP - Being used in the process of making tire core steel
  • 4. Technical Specifications
    • A. Chemical specifications
Chemical specifications

SPECS(%) / TYPE

HW

HP

SiO2 59¦¡63 50¦¡54
CaO 30¦¡33 39¦¡43
Al2O2 ¡Â3.5 ¡Â3.5
MgO ¡Â1.0 ¡Â1.5
Fe2O2 ¡Â1.5 ¡Â1.0
CaF2 5.5¦¡5.7 ¡Â0.1
S ¡Â0.08 ¡Â0.08
P ¡Â0.05 ¡Â0.05
C/S 0.53¡¾0.08 0.78¡¾0.1
  • B. Physical Specifications
Physical Specifications

SPECS(%) / TYPE

HW

HP

Mosture(%) ¡Â0.5 ¡Â0.5
Size(1-6mm)% ¡Ã90 ¡Ã90

Q/DHQ102

  • 1. Name of Product : Pre-molten Ca-Al combined desulphurizer
  • 2. Type of Product : Special steel 09 GL-50 GL-80
  • 3. Applications :
    • Being used in RH&LF to refine the molten steel, it can get rid of S, O and contaminationis and improve the fluidity of the slag. Especially the grade special steel 09, because of its low content of TiO2, SiO2 and F, this product has good effect during refinery of special steel.
  • 4. Technical Specifications
    • A. Chemical specifications
Chemical specifications

SPECS(%) / TYPE

Special steel 09

GL-50

GL-80

CaO 41-49 45-59 45-55
Al2O2 36-44 32-38 38-48
TiO2 ¡Â0.09 ¡Â1.5 ¡Â1.8
SiO2 ¡Â3.0 ¡Â5.0 ¡Â8.0
Fe2O2 ¡Â1.0 ¡Â1.5 ¡Â1.5
MgO ¡Â3.0 ¡Â4.0 ¡Â5.0
F ¡Â0.01 ¡Â1.0 ¡Â1.0
  • B. Physical Specifications
Physical Specifications

SPECS(%) / TYPE

Special steel 09

GL-50

GL-80

Mosture ¡Â0.5 ¡Â0.5 ¡Â0.5
Size 3-30mm

¡Ã90

3-50mm

¡Ã90

3-50mm

¡Ã90

Q/DHQ103

  • 1. Name of Product : Reducing agent for molten slag
  • 2. Type of Product : YH-A YH-B
  • 3. Applications :
    • This product is an agent for deoxidizer and slagging. It can improve the fluidity of the molten slag produced in refining process, make Al2O3-seperation easier, prevent from the defuse of the impurities in the molten slag to guarantee producing high quality steel. Furthermore, when there is difficulty for the deoxized molten steel to be deoxized again in the next steps, this product can be replace the expensive metal aluminium as the deoxidizer to cut the producing cost.
  • 4. Technical Specifications
    • A. Chemical specifications
Chemical specifications

SPECS(%) / TYPE

YH-A

YH-B

M-AL 35-40 25-30
CaO 20-30 20-30
SiO3 ¡Â10 ¡Â10
AI2O3 ¡Â5 ¡Â10
Fe2O2 ¡Â2.0 ¡Â2.0
  • B. Physical Specifications
Physical Specifications

SPECS(%) / TYPE

YH-A

YH-B

Mosture(%) ¡Â1.5 ¡Â1.5
Size(1-6mm)(%) 6-40mm 6-40mm

Q/DHQ105

  • 1. Name of Product : Basic material to pro-melt the protective slag
  • 2. Type of Product : HA HE HT
  • 3. Applications :
    • Being used as the basic pre-melt material for different kinds of continuous casting protective slag. The specs can be adjusted according to the customers' requires.
  • 4. Technical Specifications
    • A. Chemical specifications
Chemical specifications

SPECS(%) / TYPE

HA

HE

HT

SiO2 44.5-45.5 50-55 41-47
CaO 46.5-49.5 14-19 41-47
Al2O3 2.4-3.6 13-18 ¡Â4.0
MgO £¼1.2 ¡Â8.0 ¡Â1.5
Fe2O3 ¡Â0.5 ¡Â3.0 ¡Â1.0
F£­ 3.3-4.7 0-2  
C/S 1.1¡¾0.05    
Na2O     6-8.5
  • B. Physical Specifications
Physical Specifications

SPECS(%) / TYPE

HA

HE

HT

Mosture(%) ¡Â0.5 ¡Â0.5 ¡Â0.5
Size(1-6mm)(%) ¡Ã90 ¡Ã90 ¡Ã90

Q/DHQ106

  • 1. Name of Product : Deoxidizer and Desulfurization Agent
  • 2. Type of Product : GZA-20 GZA-30
  • 3. Applications :
    • Being used in the process of the refinery out of the furnace, restraining the emerge of FeO, promoting to get rid of O, S, adjusting the viscosity of the cinder, improving the fluidity of the cinder, preventing the temperature on the surface of the molten steel going down. Because of its low price, this product can cut down the producing cost greatly.
  • 4. Technical Specifications
    • A. Chemical specifications
Chemical specifications

SPECS(%) / TYPE

GZA-20

GZA-30

AI 15-25 26-35
AI2O3 ¡Ã45 ¡Ã30
SiO2 ¡Â12 ¡Â12
MgO ¡Â12 ¡Â10
Fe2O3 ¡Â2.0 ¡Â2.0
CaO ¡Â10 ¡Â10
  • B. Physical Specifications
Physical Specifications

SPECS(%) / TYPE

GZA-20

GZA-30

Mosture(%) ¡Â0.5 ¡Â0.5
Size(1-6mm)(%) ¡Ã90 ¡Ã90