Klasifikasi Material Myrna Ariati Wahyuaji Narottama Putra Klasifikasi

Tipe Besi Tuang 1. White Cast Iron 2. Grey Cast Iron (FC) 3. Mallable

Komposisi Besi Tuang p p Komposisi Besi Tuang Utama : Fe (besi) Paduan :

Sifat Mekanik Besi Tuang UTS (Kg/mm 2) Elongasi (%) Grey Cast Iron(FC) 10 –

Klasifikasi Besi Tuang Kelabu Class Symbol UTS (kg/mm 2) Hardness (HB) Class 1 FC

Klasifikasi Baja Paduan A = alloy, basic open hearth B = carbon, acid Bessemer

Properties of Stainless Steel Alloy Group Austenitic Magnetic Response 1 Work Hardening Rate Corrosion

Klasifikasi Paduan Magnesium AZ 91 C-T 6 2 huruf 2 angka 1 huruf Elemen

Kode-kode penandaan ASTM p p p p A - Aluminium E - Rare earths

Contoh Magnesium Alloys p AZ 91 C-T 6: 9 Al-0. 7 Zn-0. 13 Mn

Contoh Magnesium Alloys p AZ 91 B-F n p AM 60 A-F n p

Contoh Magnesium Alloys p AZ 31 B-F n p Batang ekstrusi dan dibentuk untuk

Unified Number System (UNS) Metals & Alloys

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Klasifikasi Material Myrna Ariati Wahyuaji Narottama Putra

Klasifikasi Material

Ferrous Alloys Cast Iron

Tipe Besi Tuang 1. White Cast Iron 2. Grey Cast Iron (FC) 3. Mallable Cast Iron 4. Ductile Cast Iron (FCD) 5. Austempered Ductile Iron (ADI) Matrix: Ferritic, pearlitic, austenitic, martensitic, bainitic (austempered).

Komposisi Besi Tuang p p Komposisi Besi Tuang Utama : Fe (besi) Paduan : C (karbon) Si (silikon) Mn (mangan) P (posfor) S (sulfur) = = = 2. 75 0. 25 0. 02 – – – 4. 00% 3. 00% 1. 50% 0. 75% 0. 2% Carbon Equivelent : CE (%) = C (%) + 0, 33 (Si + P) %

Komposisi Besi Tuang

Sifat Mekanik Besi Tuang UTS (Kg/mm 2) Elongasi (%) Grey Cast Iron(FC) 10 – 35 <1 Mallable Cast Iron 40 – 47 15 – 20 Nodular Cast Iron (FCD) 45 – 55 3 – 20 > 100 4– 7 30 - 40 2 -5 Austempered Ductile Iron (ADI) Vermicular (Compacted Graphite) Cast Iron

Klasifikasi Besi Tuang Kelabu

Klasifikasi Besi Tuang Kelabu Class Symbol UTS (kg/mm 2) Hardness (HB) Class 1 FC 10 10 min 201 max Class 2 FC 15 15 min 212 max Class 3 FC 20 20 min 223 max Class 4 FC 25 25 min 241 max Class 5 FC 30 30 min 262 max Class 6 FC 35 35 min 277 max

Klasifikasi Besi Tuang Nodular

Klasifikasi Austempered Ductile Iron

Ferrous Alloys Carbon Steel

Klasifikasi Baja

Klasifikasi Baja Paduan A = alloy, basic open hearth B = carbon, acid Bessemer C = carbon, basic open hearth D = carbon, acid open hearth E = electric furnace Contoh: AISI C 1050 adalah baja karbon, basic-open hearth steel dg 0. 50 % karbon Huruf lain adalah HHardenability Contoh; 4340 H

Klasifikasi Baja Paduan

Ferrous Alloys Stainless Steel

Family of Stainless Steel

Properties of Stainless Steel Alloy Group Austenitic Magnetic Response 1 Work Hardening Rate Corrosion Resistance 2 Hardenable Generally No Very High By Cold Work Duplex Yes Medium Very High No Ferritic Yes Medium No Martensitic Yes Medium Quench & Temper Precipitation Hardening Yes Medium Age Harden Low Temperature Resistance 3 Weldability Alloy Group Austenitic Ductility High Temperature Resistance Very High Duplex Medium Low Medium High Ferritic Medium High Low Low Low Medium Low High Martensitic Precipitation Hardening

Austenitic SS

Ferritic SS

Martensitic SS

Duplex SS

Ferrous Alloys Tool Steel

Klasifikasi Tool Steel

Tipe Tool Steel

Non Ferrous Aluminium Alloys

Klasifikasi Aluminium Alloys

Perlakuan Panas Aluminium

Non Ferrous Magnesium Alloys

Klasifikasi Paduan Magnesium AZ 91 C-T 6 2 huruf 2 angka 1 huruf Elemen paduan utama Jumlah paduan utama Paduan lain A = aluminium 9 = 9% Al Z = zinc 1 = 1% Zn C = Paduan ketiga Klasifikasi Temper -T 6 = solution treatmen dan pemanasan aging

Kode-kode penandaan ASTM p p p p A - Aluminium E - Rare earths H - Thorium K - Zirconium M - Manganese Q - Silver T - Tin Z - Zinc p p p p F - As fabricated O - Annealed H 10 and H 11 - slightly strain hard H 23, H 24, H 26 - strain hardened and partially annealed T 4 - artificially aged T 6 - Solution treat, aged T 8 - Solution treat, cold work, aged

Contoh Magnesium Alloys p AZ 91 C-T 6: 9 Al-0. 7 Zn-0. 13 Mn n p K 1 A: 1 Zr n p Kekuatan menengah (91 MPa yield, 275 MPa tensile), keuletan baik Kapasitas redam tinggi QH 21 A: 2. 5 Ag-1 Th-0. 7 Zr n n Komponen pesawat udara untuk hingga 250˚C 207 MPa yield, 275 MPa tensile

Contoh Magnesium Alloys p AZ 91 B-F n p AM 60 A-F n p Paduan untuk proses die casting Roda automotive, ketangguhan baik, kekuatan baik. AS 41 A-F n Ketahanan creep baik hingga 175˚C

Contoh Magnesium Alloys p AZ 31 B-F n p Batang ekstrusi dan dibentuk untuk komponen baterai, sifat mekanis menengah jika digunakan untuk struktur. HK 31 A-H 24 Sheet and plate , n yield stress 205 MPa dan UTS 260 MPa, mampu las amat baik.

Contoh Magnesium Alloys

Contoh Sifat Magnesium Alloys

Unified Number System (UNS) Metals & Alloys

Unified Number System