NM500 Abrasion Resistant Steel Description
NM500 Abrasion Resistant Steel is a high-strength wear-resistant steel plate, named :N is the first pinyin letter of "resistant" in "wear", M is the first pinyin letter of "wear" in "wear".500 is the Brinell hardness value HB value. (500 hardness value is a broad sense, the domestic NM500 hardness value is about 500.) It has a high wear resistance, Brinell hardness value of 500 (HBW) is mainly in the need to wear occasions or parts to provide protection, so that the equipment life is longer, reduce the maintenance and downtime brought by maintenance, and correspondingly reduce the investment of funds.
| Chemical composition |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
Bt |
CEV |
| NM500 Abrasion Resistant Steel |
≤0.38 |
≤0.70 |
≤1.70 |
≤0.020 |
≤0.010 |
≤1.20 |
≤0.65 |
≤1.00 |
0.005-0.006 |
0.65 |
The delivery status of wear-resistant steel plate is divided into: tempering (i.e. quenching and tempering).
Introduction to the use of flaw detection
Ultrasonic flaw detection is mainly used for internal flaw detection below the surface of parts, generally used for machining parts with higher requirements, and the identification requirements for defects are higher, requiring trained specialized personnel. Operation experience high technical requirements, high requirements for workpiece surface roughness, large equipment investment.
Magnetic particle inspection mainly investigates the defects in the surface depth of 3mm. It is used for flaw detection of magnetic conductive materials, with low cost, low requirements for product surface roughness, and high value of flaw detection equipment (compared with penetration detection). It is often used for routine process inspection and mass inspection of products. When the requirements are high, the fluorescent magnetic particle can also be used to detect the flaw, and the inspection is convenient.
Penetration detection can be used for non-magnetic materials, easy to operate, easy to carry. Toxic, flammable and explosive. It is generally used for complex parts on the surface of the product, and the measured area is small. For example, when welding seams are repaired, PT is commonly used to check whether the cracks are worn clean.
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5.Our company professional quality testing team and any third party testing.
Gnee steel group is a supply chain integrated enterprise including steel plate, coil, profile, outdoor landscape design and processing. Founded in 2008, with 5 million RMB registered capital, At present, the total investment amount reaches 30 million RMB, workshop area more than 35000㎡,with over 200 employees.
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