Nm400 High Strength Wear Resistance Steel Plate 3cm To 12cm Thickness
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..., 400 represents the average Brinell hardness of this steel plate Heat treatment: high temperature tempering, quenching + tempering (tempering and tempering) Application: NM400 wear-resisting steel plate is widely used in mining machinery, coal mining...
SHANDONG TONGMAO SPECIAL STEEL CO., LTD
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