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GB/T 24186 high strength NM300 abrasion resistant steel plates

GB/T 24186 high strength NM300 abrasion resistant steel plates

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GB/T 24186 high strength NM300 abrasion resistant steel plates have been welcomed by many users because of their good toughness and wear resistance, simple production process and relatively low price. NM300 abrasion resistant steel plates chemical compositions are as below. However, according to GB/T 24186 standard, the Si and Mn content can be increased to 2.00% and 2.20% respectively. The alloy element contents are decided by the NM300 steel plates supplier.

GB/T 24186 high strength NM300 abrasion resistant steel plates chemical composition:

Grade

C max.

Si max.

Mn max.

P max.

S max.

Cr max.

Ni max.

Mo max.

Ti max.

B max.

Als min.

NM300

0.23

0.70

1.60

0.025

0.015

0.70

0.50

0.40

0.050

0.0005-0.006

0.010

GB/T 24186 high strength NM300 abrasion resistant steel plates mechanical properties:

Grade

Thickness

Hardness (HBW)

Elongation % min.

Tensile strength(MPa) min.

NM300

≤80

270-330

14

1000

GB/T 24186 high strength NM300 abrasion resistant steel plates are widely used in engineering machinery, mining machinery, coal mining machinery, environmental protection machinery, metallurgical machinery, abrasives, bearings and other product parts.

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