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NM500

Executive standard:GB/AS PER request
Thickness:3-150mm
Delivery Status:Q+T
HS code:72254099
Product description：NM500 Wear resisting steel adopt the first Word Pinyin NaiMo and its HBW value to name the grade; 500——Show the average brinell hardness of steel plate
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——NM500

NM500 Wear resisting steel adopt the first Word Pinyin NaiMo and its HBW value to name the grade; 500——Show the average brinell hardness of steel plate

1.NM500 belong to low alloy wear resistant steel

2.Named：NM500。

3.NM500 its average HBW is 500

（International Stipulation Range of HBW：≥470）。

4.The Delivery Status NM500：quenched and Tempered 。

5.Steel Plate size, Shape, Weight and allowable Deviation: should comply with the provisions of GB/T709.

6.Steel Surface Quality：conform to GB/T 3274;

7.The provisions of this standard and acceptance inspection items of the reinspection rules shall comply with the provisions of GB/T 17505.

8.Rolled Range：3-80mm（Other thickness two sides negotiate）

9.Chemical and mechanical Property：as following Table

NM500 Chemical Property

GRADE

Chemical Property（Quality Percent）/%

Bta

AIs

CEV

≤

≥

≤

NM500

0.38

0.70

1.70

0.020

0.010

1.20

1．00

0.65

0.050

0.0005~0.006

0.010

0.65

Bta stands for Boron content。

NM500 Mechanical Property

GRADE

THICK

TENSIBLE STRENGTH

Rm MP a

YIELD STRENGTH

A₅₀%

—20℃ IMPACT TEST

AKv / J

HBW

NM500

3~70

≥470

Tensile strength, elongation and impact energy as the special requirements of performance, such as customer did not indicate in the contract, the only guarantee the brinell hardness.

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