KH-CR30M

Type of coating: Special type
Weld metal is a chromium carbide structure with 30%Cr and 5%Mn.

Catalog Packaging

▎Classification

AWS A5.13–
JIS Z3251DFCrA-600-S
EN 14700–
GB T984EDZCR-B-08

▎Applications and Features

  • Weld metal is a chromium carbide structure with 30%Cr and 5%Mn.
  • It has high amount of chromium carbide, high hardness, excellent hardness and abrasion resistance at high  temperature.
  • It provides excellent arc -restart, good bead appearance and almost no slag.
  • It is suitable for repairing crusher plates, crusher teeth and mining screen.

Crusher wheel

Crusher wheel

Mining screen

Mining screen

▎Welding Position

焊接姿勢
焊接姿勢
焊接姿勢
焊接姿勢

▎Welding Instruction

  • Dry the electrodes at 100-200°C for 30-60 minutes before use.
  • Preheat temperature should be ≥ 250°C and PWHT should be 600°C.
  • The surfacing should be limited to 2-3 layers.

▎Applications

t is suitable for repairing crusher plates, crusher teeth and mining screen.

▎Typical Chemical Composition of Weld Metal (wt. %)

CSi
Mn
Cr
3.600.785.3830.01

▎Typical Hardness of Weld Metal

Condition
As-welded		Vicker’s hardness
(HV)		Rockwell’s hardness
(HRC)		Shore’s
hardness
(HS)
nterpass temp. ≤100°C6305777
Continuous build-up6105674
Heat
treatment		200℃300℃400℃500℃600℃700℃
Vicker’s hardness620450400300200100

▎Size and Suggested Operating Range (AC or DC+)

Diameter x Length(mm)3.2×3504.0×3505.0×350
Amp90-140140-190190-250

▎Certification

JISZ3323_TCTW08007

KUANG TAI METAL INDUSTRIAL CO., LTD.

廣泰金屬工業股份有限公司

No.20, Gongye Rd., Erzhen, Guantian Dist.
Tainan City 72042, Taiwan
TEL：886-6-6987615  FAX：886-6-6987315

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