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Stainless Steel Strip – Contents

Stainless Steel Strip, Sheet, Plate, Pipe ,Tube and Powder

(Supplement: High Nickel Alloy, Permalloy, Bi-metal, Titanium, Power Spring Strip, High Carbon Steel Strip, Plated Metal Strip, Electrogalvanized (Silver top) steel strip/ sheet, Perforated Metal, Silicon Steel Sheet for Electrical Use, Iron Chromium Cobalt Magnetic Alloys, Rare Earth Alloys, Neodymium (Nd) – Iron (Fe) – Boron (B) Magnetic Alloys, Ferrites, Soft Ferrites, Silicon Low Carbon Steel, Ferro – Nickel Alloy, Porcelain for insulators & Inorganic Matericals)

1.0 Stainless Steel & Alloy Strip, Sheet & Plate 1
1.1 Definition of Stainless Steel 1
1.1.2 Comparison of different type of Stainless Steel 2
1.1.3 Advantage of Stainless Steel 3
1.1.4 Strength, Ductility and formability 4
1.1.5 Comparison specific gravity electricity, thermal conductivity,
Thermal expansion and electrical resistance of stainless steel
and other metals
5
1.1.6 Specific Gravity 6
1.17 Elasticity 6
1.1.8 Electrical resistance 7
1.1.9 Thermal conductivity
1.1.10 Thermal Expansion 8
1.1.11 Comparison of mechanical propertities of selected stainless
Steels, carbon steels and aluminum & bronze alloys
9
1.1.12 Alloy & Additive of Stainless Steel and its corrosion & other properties 10
1.1.13 Various Type of Stainless Steel Evolution from 304(18/8) 11
1.1.14 Conversion of Corrosion penentration rates for AISI-304 Stainless steel (density 7.87 g/cm3) and a corrosion rate of 0.0762mm (3/1000 inches)/yr. 12
1.1.15 Industrial standard of stainless steel 13
1.1.16 Types processing method, surface finished & features of stainless
strip, sheet(Thickness under 20mm) & Plate (Thickness 20-200mm)
to EN1088-2 : 1995
18 – 20

1.1.17 Features of Stainless Steel 22
1.1.18 Metallurgists of Stainless Steel 23
1.1.19 Pioneer Stainless Steel makers 24
1.1.20 High-chromium Stainless Steel W442 25
1.2 Production Method 26
1.2.1 Production Method 26
1.3 Manufacturing flow chart of Stainless Steel Strip/ Sheet/ Plate 27
1.4 Explanations of Stainless Steel Manufacturing Process 28
1.5 Manufacturing Process in Illustration 30 – 34
1.5.1 Melting and Casting flow-chart 30
1.5.2 Slabbing and Slab Conditioning flow-chart 31
1.5.3 Hot Rolled flow-chart 32
1.5.4 Cold Rolled flow-chart 33
1.5.5 Shearing & Slittering 34
1.6 Mill’s Inspection Certificate 35 – 36
1.7 Corrosion of Metal 38 – 43
Definition of Corrosion 38
Different Kinds of Corrosion 38
Law of ” Faraday” 38
Corrosion Cell 38
Environmental Cell 39
Type of Corrosion 39
How Natural Environment, water, sea water, soil and concret affect metal ? 39 – 41
The Rate of Corrosion of Metal made by Fresh Water, Sea Water and Soil 41
The Method of Calculation of Corrosion 41
The Weak Point of Metal is the Starting Point of Corrosion 41 – 43
How Temperature affects Corrosion 41
Crystal Defects 41
Cold Working 42
Grain Structure & Inter-granular Corrosion 42
Grain Shape 42
Solution of Corrosion Resistance 42
Purity 42
Additive on Metal 42
Heat Treatment 43
1.8 Rusting, Corrosion Resistance of Stainless Steel & Titanium against Chemicals 45 – 47
Rusting 45
Corrosion Resistance of Stainless Steel & Titanium against Chemicals 45 – 47
1.9 Classification, Corrosion Resistance & Heat Resistance of Stainless Steel 49 – 50
Chrome Stainless Steel 49
Martensite 49
Low Carbon Martensite 49
Ferrite Stainless Steel 49
Nickel Chrome Stainless Steel 50
Precipitation Hardening Stainless Steel 50
Fe / Mn / Al Stainless Steel 50
 

1.10

Nickel Allergy 53 -55
Mechanism of Nickel Allergy 53
Nickel Emission and Metal Corrosion 53 – 55
1.11.0 Magnetic 59 – 65
1.11.1 Magnetic Property & Stainless Steel 55
Permeability after Cold Working 59
1.11.2 Magnetism 60
1.11.2a Soft Magnetic 60
1.11.2b Hard Magnetic 60
1.11.3 Magnetic Fields 60 – 61
1.11.4 Magnetic Induction 61
1.11.5 Magnetic Permeability 61
1.11.6 Magnetic Susceptibility 61 – 62
1.11.7 Magnetic Force , Field & Electron 62
1.11.8 Diamagnetism, Paramagnetic, Ferromagnetism 63
Diamagnetism 63
Paramagnetic 63
Ferromagnetism 63
Comparision of Diamagnetic / Paramagnetic / Ferromagnetic 64
1.11.9 Antiferromagnetism 65
1.11.10 Ferrimagnetism 65
1.12 How to select Stainless Steel 69 – 70
1.13 Heat Treatment Hardening 73 – 77
Quenching & Hardening 73
Normalizing 73
Annealing 73
Full Annealing 73
Diffusion Annealing 74
Low Temperature Annealing 74
Process Annealing 74
Spheroidizing Annealing 74
Bright Annealing 74
Other Annealing Method 74
Quenching 74 – 75
Time Quenching 75
Austempering 75
Marquenching 75
The rate of Cooling and Quenching Media 75 – 76
Tempering 75 – 76
Surface (case ) Hardening 76
Carbonizing 76
Nitriding 77
Plasma – nitriding 77
Gas Caburizing 77
Liquid Salt Bath 77
2.0 Standard of General Use Stainless Steel Strip / Sheet & Plates 79 – 87
2.1 Stainless Steel – Type, Industrial Standard, Chemical Composition, Characteristic & End Usage of the most commonly used Stainless Steel
2.2 Mechanical Properties 89 – 95
2.2.1 Mechanical Properties of Spring use Stainless Steel
(301, 304, 631 CSP)
89
2.2.2 Mechanical Properties of Thin Stainless Steel (Thickness From 0.3mm to 2.9mm) – strip/sheet 90
2.2.3 Mechanical Properties of Austenitic Stainless Steel Under Solution Treatment Conditions(SUS G4305) 91
2.2.4 Mechanical Properties Under Annealed Condition Of Stainless Steel 92
2.2.5 Acid and Corrosion Resistance of Stainless Steel & High Nickel Alloys(0.1g/m2/hr or less) 93 – 94
2.2.6 High Temperature Corrosion Resistance of Stainless Steel (Against Gas, Salt-bath, Sodium and Water) 95
2. 3 Classification of Foil, Strip, Sheet & Plate by Thickness 96
2.4.1 General Specification of Tension Annealed Stainless Steel Strips 97 – 98
Coil Set 97
Camber 97
Cross Bow 97
Twist 97
Waving at the Edge 97
Dents and Pitting 97
Lines 97
Tension Annealed Material 97
Grease, Oil and Rusting 97
Interleaf Paper 97
Inner Core Diameter 97
Mill’s Certificate 97
Picture Description 98
2.4.2 Designation of SUS Special Used Stainless Steel 99
2.5 Surface Finish (No.1, No.2D, No.2B, No.3, No.4, BA, DF, HL, No.8,Emboss, Coloured, Pre-coated) 100 – 101
2.6 Surface Protection film

S.P.V-W SPP
SPV-C
SPV-D
VC

102
2.7 Edge Finish 103
2.8 Available Size & Tolerance 104 – 107
2.8.1 Foil-Available size & Tolerance 104
2.8.2 Thin Strip & sheet(Thickness from 0.3mm to 2.9mm)Available size & Tolerance 105
2.8.3 Stainless steel plate, heavy gauge 106
2.8.4 Stainless Steel Plate- Heavy Gauge 107
2.9 Marking and Packing 108 – 110
2.9.1 Strip Packing 108
2.9.2 Sheet Packing 109
2.9.3 Plate Marking & Packing 110
2.10 Slittering & Shearing services 111
3.0 Spring Stainless Steel 113 – 120
3.1 Stainless Steel for Spring Use 113
3.1.1 301 Stainless Steel used for Spring in brief 113
3.1.2 Other Stainless Steel used for Spring
(Details :17.0 – page 198)
113
3. 2 Cold Rolled Stainless Steel Strip for Springs JIS G4313 114
3.2.1 Class and Grade 114
3.2.2 Hardness, Bend, Tensile Strength, Proof Stress and Elongation(JIS G4313) 116 – 117
3.2.3 Mechanical Properties of SUS301 and SUS301L under Thermal Refining Rolled Conditions 118
3.2.4 Camber – Permissible Maximum Value (Width over 10mm) 118
3.2.5 Flatness Formular 118
3.2.6 Flatness Test 119
3.2.7 Hardness Measurement Under Constant Temperature Before “V” + “W” Bend Test 119
3.2.8 V Bend Test 119
3.2.9 W-Bend Test 120
4.0 Deep Drawing 123 – 126
4.1 General 123
4.2 Deep Drawing 123
4.3 Mass Formula 124
4.4 Specific Gravity of Stainless Steel 125
5.0 Stainless Steel Metal Injection Powder 127 – 131
5.1 Powder Metallurgy 127
5.1.1 Traditional Powder Metallurgy 127 – 128
Moulding method 127
Briqutting 127
Sintering 127
Shaping 127
Impreguation 127
Sintering Temperature 128
5.1.2 Stainless Steel Metal Injection Powder 128 – 129
Advantage of Metal Injection 128
Metal Injection Moulding Flow Chart 128
Metal Injection Sintering Products 128
Comparison of different kinds of Metal Injection Moulding material and their Mechanical Property 129
Comparison and Flow Chart of MIM and Conventional Powder Metallurgy 130
Sintering temperature / sintering time and mechanical properties relation 131
6.0 Claded, Inlet, Plated Stainless Steel Strip 137 – 143
Material 137
Dimension 137
Under Plating 137
Single Side Plating 137
Cladding 138
Plating 139
Flow Chart of Claded & Plated Metal 139
Other Base Metals’ Claded Metal 140 – 141
Plating Position & Example 142
Coiling Direction 142
End Usage 143
7.0 Stainless Tube & Pipe 145 – 148
7.1 Seamless Tube/Pipe & Seamed Tube/Pipe 145
7.2 Precision Tube 147
Ordering 147
Features 147
Production Procedures 147
End use or purpose 148
Materials 149
Outside diameter & wall tickness 150
Welded Tubing 150
Dimensional Tolerances 151
7.3 Pipe & Tube of General Use 153 – 158
End Usages 153
Pipe & Tube Manufacturing Flow Chart 153
304 Round Pipe Weight Table 154
430 Round Pipe Weight Table 154
Rectangular Pipe Weight Table 155
Square Pipe Weight Table 155
High Frequency Welding Round Pipe Sizes 156
Argon Arc Welding Round Pipe Sizes 156
Square Pipe Sizes 157
Tolerance 158
Round Pipe 158
Square Pipe 158
8.0 Decorative Stainless Steel – Mirror/Etching Finished Stainless Steel Sheet 160
8.1 Manufacturing Process 161
8.2 Decorative Stainless Steel 162 -163
0Mirror Finish – The ultimate for class and elegance 162
Etching Art 162
Chemical – colour – treated stainless steel 163
9.0 Stainless Steel Checker Plate 165 – 167
Chemical Composition 165
Mechanical Property 165
Physical Property 165
Weight Per-Sheet and Per- Square Ft. 165 – 166
Material 166
Tolerance 166
Welding Proceeding 167
Sample Drawing 167
10.0 Porious Stainless Steel Foil/ Sheet/ Belt/ Sponge 169
11.0 Heat Resistance Stainless Steel 171 – 173
11.1 Heat – Resistance Stainless Steel 171
11.2 Chrome Heat Resistance Steel 172
11.3 Chrome Nickel Heat Resistance Steel 172
11.4 Superior Heat Resistance Steel 172
11.5 Heat Resistance Super Alloy 172
11.6 Specific Gravity of Heat – resistance Steel Plates and Sheets Stainless Steel 173
11.7 Creep Test 174
Supplement
12.0 High Nickel Alloy 181 – 183
13.0 Bi-Metal 184
14.0 Permalloy & Magnetic Alloy 185 – 187
14. 1 Soft Magnetic Alloys 185
14.2 Usage 185
14. 3 Semi – Hard Magnetic Alloy 185
14.4 Usage 185
14. 5 Hard Magnetic Alloy 185
14.6 Usage of Hard Magnetic Alloy 186
14. 7 Magnetostrictions Alloys 186
14.8 Alloys for Semi – Conductors & Electronic Tubes 186
14. 9 Usage of Semi-Conductors & Electronic Tube 186
14.10 Chemical composition, Alloy & Characteristic of Semi- Conductor & Electronic Tube Alloys 187
14. 11 Anti-Corrosion and Heat – Resistance Spring Alloys 187
14.12 End Usage 187
14.13 Anti – Corrosion and Heat – Resistance Spring Alloys 187
15.0 Titanium 188 – 195
15.1 Introduction of Titanium 188
15.2 The Outstanding Characteristics of Titanium 188
15.3 Application 189
15.4 Titanium Spongy Manufacturing Flow Chart 190
15. 5 Flow Chart of Titanium Finishing Material 191
15.6 Working on Titanium Alloy 192
15. 7 The Moulding of Titanium 192
15.8 Titanium is harder to work than Steel 192
15. 9 Selection of Culter 192 – 193
15.10 Sharpness of Culting Tool 193
15. 11 Type of Culting Tool 193
15.12 Comparison of Working Speed of Titanium, High Speed Steel and Carbide 194 – 195
16.0 Electroplating Materials 196 – 197
Evaporation 196
Precious Metal & Alloys 197
17.0 Power Spring Strip 198 – 205
17. 1 Material & Classification of Spring Steel Strip 198
17.2.1 Wind-up Spring 198
Conventional Type Power Spring 198 – 199
17.2.2 Pull Back Power Spring 199
17.2.3 Convex Spring Strip 199
17.2.3.1 Measure Tape 199
17. 2.3.2 Magic Tape 199
17.2.3.3 Drawing of Magic Tape 200
17. 3 Constant Torque Spring 200
17.4 The Power of Constant Torque Spring & Wind-Up Spring 200
17.5 The Retraction of Constant Torque Spring 200
17.6 The Formula Power of Constant Torque Spring 201
17.7 Edge Finish 202
17.8 Hardness 202
17.9 High Carbon Tool Steel, Chemical Composition & Usage 203
17.10 The Length of 1Kg of Spring Steel Strip 203
Weight per one meter long(kg)(Width 100-200mm)
Length per one kg (Width 100-200mm)
204
Weight per one meter long(kg) (Width 2.0-10mm) 205
 

17.14

Length per one kg (Width 2.0-10mm) 205
 

 

 

18.0

High Carbon Steel Strip 206 – 213
 

18. 1

General Classification 206
18.1.1 Classification according to Crystal Structure 206
18. 1.2 Classification according to usage 206
18.1.3 Classification according to Carbon Content 206
18.2 String use Carbon Steel Strip 206 – 207
18.2.1 Cold Rolled Strip 207
18. 2.2 Annealed Strip 207
18.2.3 Hardened & Tempered Strip / Precision – Quenche 207
18.2.4 Bainite Steel Strip 207
18. 3 Edge Finish of Carbon Steel Strip for Spring 207
18.4 Quenching Media 208
18. 5 Tempering 208
18.5.1 High &Low Temperature Annealing 208
18.5.2 High Temperature Annealing 208
18.6 Annealing 209
18.6.1 Full Annealing 209
18.6.2 Diffusion Annealing 209
18.6.3 Low Temperature Annealing 209
18.6.4 Process Annealing 209
18.6.5 Spheroidizing Annealing 209
18.6.6 Bright Annealing 209
18. 7 Quenching 210
18.7.1 Time Quenching 210
18.7.2 Austempering 211
18. 7.3 Marquenching 211
18.7.4 The End Usages of High Carbon Steel Strip 211
18.8 Cold-Rolled (Special Steel) Carbon Steel Strip to JIS G3311 212 – 213
19.0 Razor Blade Steel 214
19.1 Characteristics 214
19.2 Chemical Composition 214
19.3 Sizes (mm) 214
20.0 Knitting Needle Round Edges Steel Strip 215
20.1 Characteristics 215
20.2 Steel Type, Chemical Composition and Needle Thickness 215
20.3 Edge Finish 215
20.4 Mechanical Properties 215
20.5 Decarburization and Structure 215
21.0 Plate Metal Strip 216
21.1 General 216
21.2 Advantage of Using Plate Metal Strip 216
21.3 Plated Layers of Plated Metal Strip 217
21.3.1 Nickel Plated 217
21.3.2 Chrome Plated 217
21.3.3 Brass Plated 217
21.4 Base Metal of Plated Metal Strip 218
21.4.1 Iron & Low Carbon as Base Metal 218
21.4.2 Stainless Steel as Base Metal 218
21.4.3 Copper as Base Metal 218
21.4.4 Brass as Base Metal 218
22.0 Electrogalvanized (Silver top) steel strip/ sheet 219 – 224
22.1 Structure of Silver top V-treatment “HA-TO”, Bright metallic-ST,Black Silver W-treatment special Function Electrogalvanized (Silver top) steel strip/ sheet 220
22.2 Special features of Electrogalvanized (Silver top)steel strip/ sheet 221 – 224
23.0 Perforated Metal 225 – 227
Round Hole (to 0.75 m/m) 226
Round Hole (to 0.8 m/m over) 226
Others shapes 227
24.0 Silicon Steel Sheet for Electrical Use 228 – 229
 

24.1

General 228
24.1.1 Soft Magnetic Material 228
24.1.2 Narrow Hysteresis Loops 228
24.1.3 Coercive Force 228
24.1.4 Hard Magnetic Alloys 228
24.1.5 Maximum energy product 228
24.1.6 The Advantage of adding Silicon to Low Carbon Steel 229
24.1.7 Grain-Oriented, Non-Oriented 229
25.0 Iron Chromium Cobalt Magnetic Alloys 230
Permanent Magnet onTelephone Receiver 230
 

26.0

Rare Earth Alloys 231
27.0 Neodymium (Nd) – Iron (Fe) – Boron (B) Magnetic Alloys 231
Comparison of Alnico Earth, Neodymium, maximum Energy product, KJ/m3 231
28.0 Ferrites 232
29.0 Soft Ferrites 232
 

30.0

Silicon Low Carbon Steel 232
30.1 Magnetic Properties of some Materials 233
30.2 Metallic Glasses : Chemical Composition, Properties and Applications 233
 

31.0

Ferro – Nickel Alloy 234
32.0 Porcelain for insulators 235
33.0 Inorganic Matericals 236
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