Abrasion Resistant Steel Plates NM550
Carbon C<=0.25
Si<=0.70
Mn<=1.60
P <=0.025
S<=0.010
Mo<=0.50
Cr<=1.40.
B <=0.004
Abrasion resistant steel plates NM550
NM550 steel plate grade introduction
NM550 steel plate grade in NM= wear-resistant is also wear-resistant initials pinyin abbreviation
NM550 steel plate grade 550= steel yield strength
Under the premise of ensuring the performance of NM550 wear-resistant steel plate, Cr, Ni, Mo alloying elements specified in Table 1 can be added in any combination, and other microalloying elements other than those specified in Table 1 can be added, and the specific content should be indicated in the quality certificate.
When Cu in NM550 wear-resistant steel plate is a residual element, its content should not be more than 0.30%; As content should not be greater than 0.08%. No analysis if the supplier can guarantee.
Third, NM550 steel plate chemical composition and alloy elements introduction
Alloying element carbon C<=0.25
Alloying element Si<=0.70
Alloying element manganese Mn<=1.60
Alloying element P <=0.025
Alloying element sulfur S<=0.010
Alloy element Mo<=0.50
Alloying element Chromium <=1.40.
Alloying element Boron B <=0.004
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Chemical Content |
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Steel/Grade |
C |
Si |
Mn |
P |
S |
AL |
Cr+Ni+Mo |
Nb+V+Ti |
|
NM360/AR360 |
0.10-0.30 |
0.20-0.40 |
1.00-2.00 |
≤0.015 |
≤0.003 |
≥0.20 |
<0.6 |
|
|
NM400/AR400 |
0.10-0.40 |
0.20-0.40 |
1.00-2.00 |
≤0.015 |
≤0.003 |
≥0.20 |
<0.9 |
|
|
NM450/AR450 |
0.10-0.40 |
0.20-0.40 |
1.00-2.00 |
≤0.015 |
≤0.003 |
≥0.20 |
<1.2 |
|
|
NM500/AR500 |
0.10-0.40 |
0.20-0.45 |
1.00-2.00 |
≤0.015 |
≤0.003 |
≥0.20 |
<1.5 |
|
|
NM550/AR550 |
0.10-0.50 |
0.20-0.45 |
1.00-1.50 |
≤0.015 |
≤0.003 |
≥0.20 |
<2.0 |
|
|
NM600/AR600 |
0.10-0.50 |
0.20-0.45 |
1.00-1.50 |
≤0.015 |
≤0.003 |
≥0.20 |
<2.5 |
|
|
Mechanical property |
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|
Tensile strength |
Elongation |
Hardness |
-20ºC Impact energy |
|
(Mpa) |
(%)(min) |
(HBW) |
AKv/J (min) |
|
|
NM360 |
≥1100 |
12 |
330-390 |
24 |
|
NM400 |
≥1200 |
10 |
370-430 |
24 |
|
NM450 |
≥1250 |
7 |
420-480 |
24 |
Product Display
Productive Process
Packing&Delivery
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Packing |
1.Without Packing |
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2.Waterproof Packing with Wooden Pallet |
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3.Waterproof Packing with Steel Pallet |
|
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4.Seaworthy Packing(waterproof packing with steel strip inside, then packed with steel sheet with steel pallet) |
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Container Size |
20ft GP:5898mm(L)x2352mm(W)x2393mm(H) 24-26CBM |
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40ft GP:12032mm(L)x2352mm(W)x2393mm(H) 54CBM |
|
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40ft HC:12032mm(L)x2352mm(W)x2698mm(H) 68CBM |
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Transportation |
By Container or By Bulk Vessel |
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