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GBT 24186 NM550 abrasion resistant steel plates exporter

GBT 24186 NM550 abrasion resistant steel plates exporter

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GBT 24186 NM550 abrasion resistant steel plates are wear-resistant steel with an average hardness of 550 HBW. NM550 steel toughness is the same as that of NM500 steel, and it is also used in high wear situation. NM550 abrasion resistant steel plates are mainly aimed at users and manufacturers using high manganese steel castings or wear-resistant steel plates with Brinell hardness of 550.

GB/T 24186 NM550 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.

NM550

0.38

0.70

1.70

0.020

0.010

1.20

1.00

0.70

0.050

0.0005-0.006

0.010

GB/T 24186 NM550 abrasion resistant steel plates mechanical properties:

Grade

Thickness

Hardness (HBW)

Elongation % min.

Tensile strength(MPa) min.

NM550

≤70

530 min.

-

-

When the NM500 steel plate is upgraded to NM550 abrasion resistant steel, the Brinell hardness is increased by 50 units, and the wear resistance life is prolonged without losing the toughness of the steel plate.

GBT 24186 NM550 abrasion resistant steel plates are mainly used as structural steel plates for wear-resistant parts processing and manufacturing of mining, coal mine, environmental protection, ventilation equipment, dump truck and all kinds of construction machinery.

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GB/T 24186 NM500 abrasion resistant stee

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