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Wear-resisting Steel Comparison Table
GB | WUYANG | JFE | SUMITOMO | DILLIDUR | SSAB | HBW | Delivery status |
NM360 | WNM360 | JFE-EH360A | K340 | - | - | 360 | Q+T |
NM400 | WNM400 | JFE-EH400A | K400 | 400V | HARDOX400 | 400 | Q+T |
NM450 | WNM450 | JFE-EH450A | K450 | 450V | HARDOX450 | 450 | Q+T |
NM500 | WNM500 | JFE-EH500A | K500 | 500V | HARDOX500 | 500 | Q+T |
NM550 | WNM550 | - | - | - | HARDOX550 | 550 | Q+T |
NM600 | WNM600 | - | - | - | HARDOX600 | 600 | Q+T |
Engineering Machinery with High Strength Wear Resistant Steel Plates ----NM400
NM400 Wear resisting steel adopt the first Word Pinyin NaiMo and its HBW value to name the grade; 400--Show the average brinell hardness of steel plate
1.NM400 belong to low alloy wear resistant steel
2..Named:NM400.
3.NM4000 its average HBW is 400
(International Stipulation Range of HBW:380--430).
4.The Delivery Status NM400:Qunched 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 Mechamical Property:as following form
NM400 Chemical Property
GRADE | Chemical Property(Quality Percent)/% | ||||||||||||||
C | Si | Mn | P | S | Cr | Ni | Mo | Ti | Bta | AIs | CEV | ||||
≤ | ≥ | ≤ | |||||||||||||
NM400 | 0.3 | 0.70 | 1.60 | 0.025 | 0.010 | 1.0 | 0.70 | 0.50 | 0.050 | 0.0005~0.006 | 0.010 | 0.55 | |||
a Bt stands for Boron content. | |||||||||||||||
NM400 Mechamical Property
GRADE | THICK mm | TENSIBLE STRENGTH Rm MP a | YIELD STRENGTH A50 % | -20℃ IMPACT TEST AKv / J | HBW |
NM400 | 3~80 | ≥1200 | ≥10 | ≥24 | 370~430 |
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.