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E: enquiry@qilumetal.com
E: enquiry@qilumetal.com
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C105W1 / 1.1545 is a widely used carbon tool steel that belongs to the German standard DIN EN 17350. It is known for its high hardness, good wear resistance, and excellent machinability, making it suitable for applications such as cutting tools, knives, blades, and precision components requiring sharp edges. Many countries have equivalent steel grades to DIN 1.1545, such as: SK3 from the Japanese standard JIS G4401, T10 from the Chinese standard GB/T 1298, C105U from the International standard ISO 4957.
1: Steel equivalent
Country | ISO | Germany | China | Japan |
Standard | ISO 4957 | DIN17350 | GB/T1298 | JIS G4401 |
Grade | C105U | C105W1/1.1545 | T10/T10A | SK3/SK105 |
2: Chemical composition
Grade | C | Si | Mn | P | S |
C105U | 1.00-1.10 | 0.10-0.30 | 0.10-0.40 | 0.030Max | 0.030Max |
C105W1/1.1545 | 1.00-1.10 | 0.10-0.25 | 0.10-0.25 | 0.020Max | 0.020Max |
T10 | 0.95-1.04 | 0.35Max | 0.40Max | 0.035Max | 0.030Max |
SK3 | 1.00-1.10 | 0.10-0.35 | 0.10-0.50 | 0.030Max | 0.030Max |
3: Surface hardness and hardenability.
Heat Treatment | Hardness |
Annealed (+A) | HB212Max |
| Cold-drawn condition | HB232Max |
| Quenched and tempred (+QT) | HRC28-32(Common Range) |
4: Supply size & Tolerance & Stock size
Product type | Size range | Length |
Hot rolled bar | Φ10-Φ190mm | 2000-5800mm |
Hot forged bar | Φ200-Φ600mm | 2000-5800mm |
Hot rolled plate/sheet | T:10-60mm; W:310-810mm | 2000-5800mm |
Hot forged plate | T:70-250mm; W:310-810mm | 2000-5800mm |
Hot Forged block | T: 260-500mm; W: 300-1000mm | 2000-5800mm |
Surface Finish | Turned | Milled | Grinding(Best) | Polished(Best) | Peeled(Best) | Black Forged | Black Rolled |
Tolerance | +0/+3mm | +0/+3mm | +0/+0.05mm | +0/+0.05mm | +0/+0.1mm | +0/+5mm | +0/+1mm |
Straighness | 1mm/1000mm max. | 3mm/1000mm max. | |||||
For 1.1545 steel, because we don’t use them in domestic market, so there is no stocks for that material.
5: Ultrasonic Test
EN10228-3 class III or Sep 1921-84 D/D
6：Steel making & Forging processing
1): Steel making process:
EF+LF+VD
EAF+LF+VD
EF+LF+VD+ESR
EAF+LF+VD+ESR
2): Forging processing:
Initial temperature: 1050-1100℃
Final temperature: 800-850℃
Cooling in the furnace
7: Heat treatment
1): Annealed:
Heat 1.1545 steel to 750-800℃
Cooling in the furnace slowly
2): Quenching and tempering:
Heat 1.1545 steel to 770-790℃ in the furnace
Quench in the water
Temper steel at 170-190℃ in the furnace
Cooling in the air.
Above curve in figure is a rough guide to the tempering behaviour of steels.
8：Application
1.1545 is a high carbon steel with high hardness, wear resistance and good edge retention, making it suitable for manufacturing tools and parts requiring a sharp cutting edge or wear resistance. Its main applications include:
1. Cutting Tools
1) Cutting Tools: Lathe tools, planer tools, woodworking tools
2) Drills: Low-speed drills, hand drills
3) Taps and Dies: Manual threading tools
4) Saw Blades: Hand saws, band saw blades
2. Cutting Tools
1) Blades: Industrial cutting knives, food processing knives, leather knives
2) Scissors: Metal shears, garden shears
3) Razor Blades: Traditional straight razors, surgical blades
3. Dies and Stamping Tools
1) Dies: Small punches, blanking dies
2) Cold Work Dies: Simple forming dies, stamping dies
4. Measuring and Precision Tools
1) Gauges: Snap gauges, plug gauges, block gauges
2) Files: Hand files, shaping files
5. Other Wear-Resistant Parts
1) Bearing Parts: Low-speed, low-load bearing balls or rings
2) Guide Rails: Wear-Resistant Guide Rails for Machine Tools
C105W1 / 1.1545 is a widely used carbon tool steel that belongs to the German standard DIN EN 17350. It is known for its high hardness, good wear resistance, and excellent machinability, making it suitable for applications such as cutting tools, knives, blades, and precision components requiring sharp edges. Many countries have equivalent steel grades to DIN 1.1545, such as: SK3 from the Japanese standard JIS G4401, T10 from the Chinese standard GB/T 1298, C105U from the International standard ISO 4957.
1: Steel equivalent
Country | ISO | Germany | China | Japan |
Standard | ISO 4957 | DIN17350 | GB/T1298 | JIS G4401 |
Grade | C105U | C105W1/1.1545 | T10/T10A | SK3/SK105 |
2: Chemical composition
Grade | C | Si | Mn | P | S |
C105U | 1.00-1.10 | 0.10-0.30 | 0.10-0.40 | 0.030Max | 0.030Max |
C105W1/1.1545 | 1.00-1.10 | 0.10-0.25 | 0.10-0.25 | 0.020Max | 0.020Max |
T10 | 0.95-1.04 | 0.35Max | 0.40Max | 0.035Max | 0.030Max |
SK3 | 1.00-1.10 | 0.10-0.35 | 0.10-0.50 | 0.030Max | 0.030Max |
3: Surface hardness and hardenability.
Heat Treatment | Hardness |
Annealed (+A) | HB212Max |
| Cold-drawn condition | HB232Max |
| Quenched and tempred (+QT) | HRC28-32(Common Range) |
4: Supply size & Tolerance & Stock size
Product type | Size range | Length |
Hot rolled bar | Φ10-Φ190mm | 2000-5800mm |
Hot forged bar | Φ200-Φ600mm | 2000-5800mm |
Hot rolled plate/sheet | T:10-60mm; W:310-810mm | 2000-5800mm |
Hot forged plate | T:70-250mm; W:310-810mm | 2000-5800mm |
Hot Forged block | T: 260-500mm; W: 300-1000mm | 2000-5800mm |
Surface Finish | Turned | Milled | Grinding(Best) | Polished(Best) | Peeled(Best) | Black Forged | Black Rolled |
Tolerance | +0/+3mm | +0/+3mm | +0/+0.05mm | +0/+0.05mm | +0/+0.1mm | +0/+5mm | +0/+1mm |
Straighness | 1mm/1000mm max. | 3mm/1000mm max. | |||||
For 1.1545 steel, because we don’t use them in domestic market, so there is no stocks for that material.
5: Ultrasonic Test
EN10228-3 class III or Sep 1921-84 D/D
6：Steel making & Forging processing
1): Steel making process:
EF+LF+VD
EAF+LF+VD
EF+LF+VD+ESR
EAF+LF+VD+ESR
2): Forging processing:
Initial temperature: 1050-1100℃
Final temperature: 800-850℃
Cooling in the furnace
7: Heat treatment
1): Annealed:
Heat 1.1545 steel to 750-800℃
Cooling in the furnace slowly
2): Quenching and tempering:
Heat 1.1545 steel to 770-790℃ in the furnace
Quench in the water
Temper steel at 170-190℃ in the furnace
Cooling in the air.
Above curve in figure is a rough guide to the tempering behaviour of steels.
8：Application
1.1545 is a high carbon steel with high hardness, wear resistance and good edge retention, making it suitable for manufacturing tools and parts requiring a sharp cutting edge or wear resistance. Its main applications include:
1. Cutting Tools
1) Cutting Tools: Lathe tools, planer tools, woodworking tools
2) Drills: Low-speed drills, hand drills
3) Taps and Dies: Manual threading tools
4) Saw Blades: Hand saws, band saw blades
2. Cutting Tools
1) Blades: Industrial cutting knives, food processing knives, leather knives
2) Scissors: Metal shears, garden shears
3) Razor Blades: Traditional straight razors, surgical blades
3. Dies and Stamping Tools
1) Dies: Small punches, blanking dies
2) Cold Work Dies: Simple forming dies, stamping dies
4. Measuring and Precision Tools
1) Gauges: Snap gauges, plug gauges, block gauges
2) Files: Hand files, shaping files
5. Other Wear-Resistant Parts
1) Bearing Parts: Low-speed, low-load bearing balls or rings
2) Guide Rails: Wear-Resistant Guide Rails for Machine Tools
