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Shijiazhuang Tech-macro Pump Industry CO.,Ltd
Add: No.55 Kunlun Great Street Shijiazhuang City PRC
Code: 050035
Tel: 0086-311-89809027
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WEAR RESISTANCE AND CORROSION RESISTANCE MATERIAL SHEET

category

material code

mechanical properties

special properties

typical application

δw/δb (Mpa)

Ak (J/cm2)

HRC

Abrasion-resistant white cast iron

KmTBCr26

700

6-10

56

Its erosion resistance is second to KB06, and it  has certain corrosion resistance.

suitable for bearing a larger impact load abrasive wear, and suitable for medium with 5-12 PH.

KmTBCr15Mo

550

4-8

59

Have the best erosion resistancebut its corrosion resistance is not as good as KB03 and KB04.

suitable for bearing a larger impact load abrasive wear

KmTBCr8

550

6-8

55

Its erosion resistance is about 0.9 times of KB04.

suitable for mud slurry pump and ash slurry pump.

KmTBMnMo

400

3-6

38-42

mild erosion resistance, lower hardness, can be drilled and tapped.

suitable for that contain trace fine particlesmild impact load abrasive wear.

Wear resistance and corrosion resistance cast iron

600

43

has certain erosion resistance and corrosion resistance for low PH ambience, its corrosion resistance is similar to KB02.

suitable for low PH ambience abrasive conditionsespecially for flue gas conditions in power plant., desulphurization unit with PH more than 4.

Usually used in low acidic conditions

35

has certain erosion resistance,is similar to KB02, has certain corrosion resistance.

special for delivering the oxidative slurry with PH less than 1.e.g., phosphogypsum, nitric acid, sulphuric acid and phosphoric acid in chemical fertilizer plants.

Wear resistance cast iron

1200

45

has good erosion resistance, higher hardness

suitable for dredge boat pump.

700

HB 500-600

higher hardness, great erosion resistance.

suitable for wear resistance , corrosion resistance and higher erosive resistance conditions, e.g., suitable for manufacturing parts of dredging pump, clean water pump , dirty water pump and slurry pump.

HB 300-350

lower hardness, better erosion resistance, good weldability.

suitable for mild erosive resistance ,wear resistance , conditions, e.g., delivering aqueous medium with small sand.

Natural rubber

R26

hardnessHardness JIS A43±3

2) tensile strengthMpa)≥19

3300%stretching strengthMpa)≥1.9

4elongation%)≥500

As its hardness and elasticity is better than metallicity, wear resistance and corrosion resistance, better erosion resistance than others. The weaknesses is when using can't scratch.

Great wear resistance and corrosion resistance, usually used for desulfurization pump, tailing in mining industry, slurry with small particles and no edges.

It suitable for manufacturing volute liner.

R24

hardnessHardness JIS A50±5

2) tensile strengthMpa)≥22

3300%stretching strengthMpa)≥3

4elongation%

500

As its hardness and elasticity is better than metallicity, wear resistance and corrosion resistance, better erosion resistance than others. The weaknesses is when using can't scratch.

Great wear resistance and corrosion resistance, usually used for desulfurization pump, tailing in mining industry, slurry with small particles and no edges.

It suitable for manufacturing impeller.

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