WZB-NM360, WZB-NM400, WZB-NM500, WZB-NM500, WZB-NM550 are steel grades of wear steel plate made of Wugang, which is used for high wear and high impact applications, it can also be used as high strength structural steel with yield strength larger than 800MPa.
The premise of the steel plate has a good impact toughness and welding performance without loss of strength. It is a domestic steel standard in China for manufacture of Excavators, loaders, bulldozers bucket plate, blade board, side edge plate. Crusher liner, blade, etc.
| C | Si | Mn | P | S | Cr | Mo | Ni | B |
| ≤0.17 | ≤0.50 | ≤1.5 | ≤0.025 | ≤0.015 | ≤0.70 | ≤0.40 | ≤0.50 | ≤0.005 |
| Thickness/mm | ReL /MPa | Rm /MPa | A/% | Hardness HBW10/3000 | Impact -20℃/J |
| 20 | 1050 | 1160 | 19.0 | 360.0 | 65 |
| 25 | 1020 | 1180 | 18.5 | 375.0 | 52 |
| 30 | 1040 | 1180 | 17.0 | 369.0 | 65 |
| 40 | 1020 | 1160 | 18.0 | 368.0 | 68 |
| Test Group | Grade | Wear Test |
| A | WZB-NM360 | 1.16 |
| EEMS10104 (Sweden) | 1.00 | |
| B | WZB-NM400 | 1.21 |
| NK-EH400 (Japan) |
1.00 |
Specification Range of NM360 Wear Resistant Steel Plate:
Gas Cutting Characteristics of NM360 Wear Resistant Steel:
Gas Cutting Processing is allowed. Applying high pressure gas and low cutting speed to prevent split in cutting area. When cutting outside, preheating temperature 60 -90℃ in cutting area with flame spraying gun be recommended before the cutting.
Machining Characteristics of NM360 Wear Resistant Steel:
Cutting and Shearing Property of the plate perform well. Proper feed amount and feed rate should be selected according to hardness of plate and cutting tool. The tools’ materials usually are high speed steel or cemented carbide, for cutting and polishing, carbide-coated tool is demanded.
NM360 and NM400 wear-resistant steel plate is widely used in mining machinery, coal mining machinery, environmental protection machinery, engineering machinery, cement machinery, metallurgical machinery, brick machinery and other products parts. Also used as a yield strength ≥ 700Mpa high strength structural steel. Application: mainly in the need for your occasions or parts to provide protection, longer equipment life, reduce the maintenance of the maintenance downtime, a corresponding reduction in capital investment. Performance: yield ≥ 800 Tensile ≥ 1000 Hardness 360-420 460-530
Chemical composition:
Steel Grade Thickness
mmGrade Level WNM Steel Chemical Composition Wt% C Si Mn P S Mo Cr Ni B Max NM 360 ≤50 A－E、L 0.20 0.60 1.60 0.025 0.015 0.50 1.00 0.80 0.004 51-100 A、B 0.25 0.60 1.60 0.020 0.010 0.50 1.20 1.00 0.004 NM 400 ≤50 A－E 0.21 0.60 1.60 0.025 0.015 0.50 1.00 0.80 0.004 51-100 A、B 0.26 0.60 1.60 0.020 0.010 0.50 1.20 1.00 0.004 NM 450 ≤80 A－D 0.26 0.70 1.60 0.025 0.015 0.50 1.50 1.00 0.004 NM 500 ≤80 A－D 0.30 0.70 1.60 0.025 0.015 0.50 1.50 1.00 0.004 WZB NM 360 Steel Plate Mechanical Property:
Steel Grade Thickness mm Grade level Hardness HBW Tensile Strength Longitudinal impact performance(J) Yield Strengtha Tensile Strengtha Elongation Yield Ratio Room Temp 0℃ -20℃ －40℃ WZB-NM 360 8 E 398-429 1010-1120 1210-1360 13-17 0.80-0.86 30-56 10 E 393-426 1000-1160 1200-1340 14-19 0.78-0.86 22-43 12 L 370-410 1040-1110 1290-1350 19-21 0.81-0.84 32-40 16 D 378-417 930-1070 1210-1330 19-24 0.75-0.83 21-42 20 D 363-412 940-1110 1190-1330 14-26 0.73-0.84 22-41 30 C 370-410 920-1060 1170-1330 13-18 0.72-0.80 33-52 40 B 360-398 885-1080 1190-1320 13-16 0.72-0.82 43-61 50 B 358-390 820-1020 1120-1180 16-20 0.77-0.84 34-45 80 A 380－430 1320-1345 1420-1460 12-13 0.83-0.86 35-40 30-32 WZB NM 400 Steel Plate Mechanical Property:
Steel Grade Thickness mm Grade level Hardness HBW Tensile Strength Longitudinal impact performance(J) Yield Strengtha Tensile Strengtha Elongation Yield Ratio Room Temp 0℃ -20℃ WZB-NM 400 10 C 420 1140 1300 14 0.88 93 55 / 15 D 413 1100 1190 18 0.92 62 42 28 20 A 393 1190 1350 18 0.88 55 / / 30 D 416 1190 1450 13 0.82 43 38 22 35 A 398 1220 1360 15 0.9 67 / / 40 C 380 1250 1320 14 0.95 58 55 / 50 B 401 1100 1430 12 0.77 46 31 / 50 A 387 1120 1200 12 0.93 45 / / NM 360 NM 400 Steel Plate-Hardness Inspect:
Steel Grade
Dimension
mmHardness according to different section HB HB Upper layer Upper 1/4 1/2 Down 1/4 Down side Average WZB-NM 360 80 432 383 343 388 423 393 89 40 406 409 385 398 398 399 24 WZB-NM 400 20 417 420 423 420 420 420 6 40 415 426 409 415 415 416 11 50 390 388 388 388 393 389 5
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