Standar Setara Baja Tahan Keausan/Abrasi
| Kelas Baja | SSAB | JFE | DILLIDUR | ThyssenkKrupp | Ruukki |
| NM360 | - | EH360 | - | - | - |
| NM400 | HARDOX400 | EH400 | 400V | XAR400 | Raex400 |
| NM450 | HARDOX450 | - | 450V | XAR450 | Raex450 |
| NM500 | HARDOX500 | EH500 | 500V | XAR500 | Raex500 |
Baja Tahan Aus/Abrasi --- Standar Tiongkok
● NM360
● NM400
● NM450
● NM500
● NR360
● NR400
● B-HARD360
● B-HARD400
● B-HARD450
● KN-55
● KN-60
● KN-63
Komposisi Kimia (%) Baja Tahan Aus NM
| Kelas Baja | C | Si | Mn | P | S | Cr | Mo | B | N | H | Ceq |
| NM360/NM400 | ≤0.20 | ≤0.40 | ≤1.50 | ≤0.012 | ≤0.005 | ≤0.35 | ≤0.30 | ≤0.002 | ≤0.005 | ≤0.00025 | ≤0.53 |
| NM450 | ≤0.22 | ≤0.60 | ≤1.50 | ≤0.012 | ≤0.005 | ≤0.80 | ≤0.30 | ≤0.002 | ≤0.005 | ≤0.00025 | ≤0.62 |
| NM500 | ≤0.30 | ≤0.60 | ≤1.00 | ≤0.012 | ≤0.002 | ≤1.00 | ≤0.30 | ≤0.002 | ≤0.005 | ≤0.0002 | ≤0.65 |
| NM550 | ≤0.35 | ≤0.40 | ≤1.20 | ≤0.010 | ≤0.002 | ≤1.00 | ≤0.30 | ≤0.002 | ≤0.0045 | ≤0.0002 | ≤0.72 |
Sifat Mekanik Baja Tahan Aus NM
| Kelas Baja | Kekuatan Asil /MPa | Kekuwatan Tarik /MPa | Elongasi A50 /% | Atos (Brinell) HBW10/3000 | Dampak/J (-20℃) |
| NM360 | ≥900 | ≥1050 | ≥12 | 320-390 | ≥21 |
| NM400 | ≥950 | ≥1200 | ≥12 | 380-430 | ≥21 |
| NM450 | ≥1050 | ≥1250 | ≥7 | 420-480 | ≥21 |
| NM500 | ≥1100 | ≥1350 | ≥6 | ≥470 | ≥17 |
| NM550 | - | - | - | ≥530 | - |
Baja Tahan Aus/Abrasi --- Standar AS
● AR400
● AR450
● AR500
● AR600
Kasedhiyan Pelat Baja Tahan Abrasi
| Kelas | Kekandelan | Jembar | Dawane |
| AR200 / AR235 | 3/16" – 3/4" | 48" – 120" | 96" – 480" |
| AR400F | 3/16" – 4" | 48" – 120" | 96" – 480" |
| AR450F | 3/16" – 2" | 48" – 96" | 96" – 480" |
| AR500 | 3/16" – 2" | 48" – 96" | 96" – 480" |
| AR600 | 3/16" – 3/4" | 48" – 96" | 96" – 480" |
Komposisi Kimia Pelat Baja Tahan Abrasi
| Kelas | C | Si | Mn | P | S | Cr | Ni | Mo | B |
| AR500 | 0.30 | 0.7 | 1.70 | 0.025 | 0.015 | 1.00 | 0.70 | 0.50 | 0.005 |
| AR450 | 0.26 | 0.7 | 1.70 | 0.025 | 0.015 | 1.00 | 0.70 | 0.50 | 0.005 |
| AR400 | 0.25 | 0.7 | 1.70 | 0.025 | 0.015 | 1.50 | 0.70 | 0.50 | 0.005 |
| AR300 | 0.18 | 0.7 | 1.70 | 0.025 | 0.015 | 1.50 | 0.40 | 0.50 | 0.005 |
Sifat Mekanik Pelat Baja Tahan Abrasi
| Kelas | Kekuatan Asil MPa | Kekuwatan Tarik MPa | Pemanjangan A | Kekuatan Impak Charpy V 20J | Rentang Kekerasan |
| AR500 | 1250 | 1450 | 8 | -30C | 450-540 |
| AR450 | 1200 | 1450 | 8 | -40C | 420-500 |
| AR400 | 1000 | 1250 | 10 | -40C | 360-480 |
| AR300 | 900 | 1000 | 11 | -40C | - |
Aplikasi Pelat Baja Tahan Abrasi
● Pelat AR235 ditujokake kanggo aplikasi keausan moderat sing nawakake ketahanan keausan sing luwih apik dibandhingake karo baja karbon struktural.
● AR400 kuwi pelat baja tahan abrasi premium sing wis dipanasake lan nduweni daya tahan sing apik. Kemampuan mbentuk lan nglereni sing luwih apik.
● AR450 kuwi pelat tahan abrasi sing digunakake ing macem-macem aplikasi ing ngendi kekuatan sing rada luwih gedhe dibutuhake ngluwihi AR400.
● Pelat AR500 cocok kanggo aplikasi pertambangan, kehutanan, lan konstruksi.
● AR600 digunakake ing area sing kerep aus kayata mbusak agregat, penambangan, lan pabrikasi ember lan awak aus.
Pelat baja Tahan Abrasi (AR) biasane digawe ing kondisi as-rolled. Jinis/kelas produk pelat baja iki wis dikembangake khusus kanggo umur layanan sing dawa ing kahanan sing atos. Produk AR cocok kanggo macem-macem aplikasi ing wilayah kayata pertambangan/penggalian, konveyor, penanganan material lan konstruksi, lan pemindahan tanah. Desainer lan operator pabrik milih baja pelat AR nalika ngupayakake kanggo ngluwihi umur layanan komponen penting, lan nyuda bobot saben unit sing digunakake. Keuntungan nggunakake baja pelat tahan aus ing aplikasi sing nglibatake dampak lan/utawa kontak geser karo bahan abrasif gedhe banget.
Pelat baja paduan tahan abrasif umume nawakake resistensi sing apik kanggo geser lan abrasi benturan. Kandungan karbon sing dhuwur ing paduan nambah kekerasan lan ketangguhan baja, dadi bahan sing ideal kanggo aplikasi sing mbutuhake resistensi benturan utawa abrasi sing dhuwur. Bisa entuk kekerasan sing dhuwur nganggo baja karbon dhuwur, lan baja kasebut bakal duwe resistensi penetrasi sing apik. Nanging, tingkat keausan bakal cepet dibandhingake karo pelat paduan sing dipanasake amarga baja karbon dhuwur rapuh, saengga partikel bisa luwih gampang dicopot saka permukaan. Akibate, baja karbon dhuwur ora digunakake kanggo aplikasi keausan sing dhuwur.
Gambar detail
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Pelat Baja Tahan Abrasi (AR)
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Pelat Baja AR400 AR450 AR500
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Baja Tahan Abrasi NM400 NM450
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Pelat Baja AR400
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Pelat Baja Pelapukan Kelas Corten
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Pelat Baja Pelapukan S355J2W Corten
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Pelat Baja Pelapukan Corten ASTM A606-4
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Pelat Baja Lepas Pantai S355G2
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Pelat Baja Struktural S355
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Balok Baja Struktural T/Batang T S355JR














