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Round Bar
EN3 (070M20)
Round Bar
Spec Sheet
About
Equivalents
Characteristics
Typical Applications
Spec Sheet
About
EN3 is a low-carbon steel, sometimes called mild steel.
This steel is used for general engineering and manufacturing components with low tensile strength requirements like flanges, bushes, spacers, shafts, bolts, nuts, and light-duty pulleys.
EN3 is a low carbon, tensile strength steel with a carbon content between 0.16% and 0.24% carbon.
It is easy to machine and weld. EN3 can also be case hardened, resistant to severe weather conditions, and suitable for high-stress applications.
Special Steels sells EN3 round bar. We cut the quantity of EN3 to the tolerance required for precision engineering and manufacturing at a large volume.
We also offer machine preparation and deliveries.
Equivalents
American: AISI 1020
British: BS970 Part 1 1983, 070M20 (EN3)
Chinese: S20
Characteristics
- Carbon Steel
- A 6% allowance should always be made for removal of surface defects during machining
- Machinability good
- Weldability good
- Low tensile steel (28/30 ton tensile)
- Can be case hardened
- Not subject to high stress or severe weather
Typical Applications
- Low tensile shafts, bolts and nuts
- Flanges
- Machinery components where low tensile strength material is required
- Bushes, spacers
- Pulleys (light duty)
EN8 (080M40)
Spec Sheet
About
Equivalents
Characteristics
Typical Applications
Spec Sheet
About
EN8 is a medium carbon steel that Special Steels supplies as either a round bar or a bright bar.
This is typically used when mild steel does not provide sufficient surface hardening potential. One can manufacture axles, driveshafts, crankshafts, connecting rods, high tensile bolts, studs, propeller shaft joints, rifle barrels, and induction hardened pins from EN8 because it is more cost-effective than alloy steels.
EN8 is a medium carbon steel that can be machined, welded, and suitable for surface hardening treatments like induction and flame hardening. EN8 contains between 0.36% and 0.44% carbon.
It can be machined and welded because the carbon content is low enough but has a high enough carbon content to allow surface hardening. It is more affordable than alloy steel while providing the same benefits.
Special Steels sells EN8 round bar and bright bar. We cut the quantity of EN8 to the tolerance required for precision engineering and manufacturing.
We also offer machine preparation and deliveries.
Equivalents
American: AISI 1038
British: BS970 Part 1 1983, 080M40/080A42 (EN8)
Chinese: S45/S45C
German: W. Stoff No 1.1186
Characteristics
- Carbon Steel – 40 ton tensile black axle steel
- A 6% allowance should always be made for removal of surface defects during machining
- Machinability good (not recommended for case hardening)
- Weldability good (carbon content low enough)
- Heat treatment only to limited ruling sections / can be surface hardened (induction hardening)
Typical Applications
- Axles
- Driveshafts
- Crankshafts
- Connecting rods
- High tensile bolts
- Studs
- Propeller shaft joints
- Rifle barrels
- Breech mechanisms for small arms
- Induction hardened pins
EN8 (Bright Bar)
Spec Sheet
About
Equivalents
Characteristics
Typical Applications
Spec Sheet
About
EN8 is a medium carbon steel that Special Steels supplies as either a round bar or a bright bar.
This is typically used when mild steel does not provide sufficient surface hardening potential. One can manufacture axles, driveshafts, crankshafts, connecting rods, high tensile bolts, studs, propeller shaft joints, rifle barrels, and induction hardened pins from EN8 because it is more cost-effective than alloy steels.
EN8 is a medium carbon steel that can be machined, welded, and suitable for surface hardening treatments like induction and flame hardening. EN8 contains between 0.36% and 0.44% carbon.
It can be machined and welded because the carbon content is low enough but has a high enough carbon content to allow surface hardening. It is more affordable than alloy steel while providing the same benefits.
Special Steels sells EN8 round bar and bright bar. We cut the quantity of EN8 to the tolerance required for precision engineering and manufacturing.
We also offer machine preparation and deliveries.
Equivalents
American: AISI 1038
British: BS970 Part 1 1983,
080M40/080A42 (EN8)
Chinese: S45/S45C
German: W. Stoff No 1.1186
Characteristics
• Carbon steel – 40 ton tensile black axle steel
• A 6% allowance should always be made for removal of surface defects during machining
• Machinability good (not recommended for case hardening)
• Weldability good (carbon content low enough)
• Heat treatment only to limited ruling sections/can be surface hardened (induction hardening)
Typical Applications
- Axles
- Driveshafts
- Crankshafts
- Connecting rods
- High tensile bolts
- Studs
- Propeller shaft joints
- Rifle barrels
- Breech mechanisms for small arms
- Induction hardened pins
EN9 (070M55)
Spec Sheet
About
Equivalents
Characteristics
Typical Applications
Spec Sheet
About
EN9 is a medium to high carbon steel.
We use this steel to manufacture spacers, keys, cylinders, small gears, cams, machine tools, crankshafts and grinding balls for ball mills.
EN9 is a medium carbon steel that contains between 0.5% and 0.6% carbon. Welding is not recommended, and only limited heat treatment can be applied.
It can be machined, has excellent wear resistance properties for a carbon steel, and can attain high surface hardness when treated.
Special Steels sells EN9 round bar. We cut the quantity of EN9 round bar to the tolerance required for precision engineering and manufacturing.
We also offer machine preparation and deliveries.
Equivalents
American: AISI 1055
British: BS970 Part 1 1983, 070M55 (EN9)
German: W. Stoff No 1.1203
Characteristics
- Carbon Steel
- A 6% allowance should always be made for removal of surface defects during machining
- EN9 is weldable (but not recommended)
- Not recommended for carburising
- Heat treatment only to limited ruling sections
Typical Applications
- Spackers
- Keys
- Cylinders
- Small gears
- Cams
- Machine tools
- Crankshafts
- Grinding balls for ball mills
EN19 (709M40)
Spec Sheet
About
Equivalents
Characteristics
Typical Applications
Spec Sheet
About
EN19 is a high tensile strength alloy steel.
This steel provides mechanical properties for applications like manufacturing axles, drive shafts, propeller shafts, crankshafts, rifle barrels, connecting rods, breach mechanisms studs, high tensile bolts and induction hardened pins.
EN19 is ideal for high load bearing applications which require ductility and shock resistance. EN19 has excellent tensile strength properties.
It is easy to machine and is weldable in the “as rolled” condition. It can be nitrated, flame hardened, induction hardened, quenched and tempered.
Special Steels sells EN19 round bar. We cut the quantity of EN19 round bar to the tolerance required for precision engineering and manufacturing.
We also offer machine preparation and deliveries.
Equivalents
American: AISI 4140
British: BS970 Part 1 1983, 709M40 (EN19)
Chinese: 42CrMo4
German: W. Stoff No 1.7225
Characteristics
- Alloy Steel
- A 6% allowance should always be made for removal of surface defects during machining
- Machinability good
- Weldable in the as rolled condition
- Ideal for 60 ton tensile applications up to 100mm max
- Sizes above limited ruling section will be heat treated to hardness only with no guarantee on mechanical properties
- This grade can be nitrited, flame and/or induction hardened
Typical Applications
- Axles
- Drive shafts
- Propeller shaft joints
- Crankshafts
- Rifle barrels
- Connecting rods
- Breech mechanisms for small arms
- Studs
- High tensile bolts
- Induction hardened pins
EN24 (817M40)
Spec Sheet
About
Equivalents
Characteristics
Typical Applications
Spec Sheet
About
EN24 is a high tensile strength alloy steel.
This steel provides superior mechanical properties for applications like manufacturing axles, driveshafts, propeller shafts, crankshafts, rifle barrels, connecting rods, breach mechanisms studs, high tensile bolts, and induction hardened pins.
EN24 is ideal for applications that require a very high load and is usually hardened and tempered to achieve hardness and ductility. EN24 is subject to work hardening.
It is often ordered in the annealed condition, as rolled or forged and is typically further machined before being heat treated. EN24 can be nitrated or surface hardened.
Special Steels sells EN24 round bar. We cut the quantity of EN24 round bar to the tolerance required for precision engineering and manufacturing.
We also offer machine preparation and deliveries.
Equivalents
American: AISI 4340
British: BS970 Part 1 1983, 817M40 (EN24)
German: W. Stoff No 1.6582
Characteristics
- Alloy Steel
- A 6% allowance should always be made for removal of surface defects during machining
- Machinability good (tends to work harden)
- Ideal for 60 ton tensile applications up to 250mm max
- This material is often ordered in the annealed, as rolled or forged condition for machining. Subsequent heat treatment is used to achieve higher tensility (i.e condition T, U, V, W, X, Y and Z)
- This grade can be nitrited or surface hardened
Typical Applications
- Axles
- Driveshafts
- Propeller shaft joints
- Crankshafts
- Rifle barrels
- Connecting rods
- Breech mechanisms for small arms
- Studs
- High tensile bolts
- Induction hardened pins
EN36B (655M13)
Spec Sheet
About
Equivalents
Characteristics
Typical Applications
Spec Sheet
About
EN36B is an alloy steel containing 3.00-3.75% Nickel and 0.70-1.00% Chrome.
This steel is typically used to manufacture parts that will be exposed to high degrees of wear and stress like planetary gears, plate wheels and drive pinions.
EN36B provides excellent core strength for high strain resistance and surface hardness for wear resistance.
It can be case hardened or through-hardened for maximum resistance to strain and ultra-high core strength.
Special Steels sells EN36B round bar. We cut the quantity of EN36B to the tolerance required for precision engineering and manufacturing.
We also offer machine preparation and deliveries.
Equivalents
American: AISI 9315
British: BS970 Part 1 1983, 655M13 (EN36B)
German: W. Stoff No 1.5752 (18CrNiMo7-6)
Characteristics
- Alloy steel
- A 6% allowance should always be made for removal of surface defects during machining
- Machinability good
- Required hardness can be achieved by case hardening the outer surface by means of one of the following methods i.e case hardening, carburising
Typical Applications
- Heavy vehicle transmission components
- Chuck jaws
- Engineering machinery gearbox parts
- Track pins
- Aircraft gears
- Gadgeon pins
- Mining steering worms
- Mining gearbox gears
- Pinions and cogs
18CRNIMO7-6
Spec Sheet
About
Equivalents
Characteristics
Typical Applications
Spec Sheet
About
18CrNiMo7-6 is an alloy steel containing 1.5% Nickel Chrome Moly.
This steel is typically used to manufacture parts that will be exposed to high degrees of wear and stress like planetary gears, plate wheels and drive pinions.
18CrNiMo7-6 provides excellent core strength for high strain resistance and surface hardness for wear resistance.
It can be case hardened or through-hardened for maximum resistance to strain and ultra-high core strength.
Special Steels sells 18CrNiMo7-6 round bar. We cut the quantity of 18CrNiMo7-6 to the tolerance required for precision engineering and manufacturing.
We also offer machine preparation and deliveries.
Equivalents
German: W. Stoff No 1.6587
British: BS970 Part 1 1983, 655M13
Characteristics
- Alloy Steel 1.5% Nickel Chrome Moly
- Can be case hardened or through hardened
- Carburised and heat treated it develops a hard wear resistant case to HRC 60/63 and a tough core with tensile range of 900-1300MPa in small to fairly large sections
Typical Applications
- Gear parts exposed to high stresses and wear conditions, planetary gears, plate wheels, drive pinions
- Can be used for high-tensile applications un-carburised but through hardened and tempered
- It is used by industry sectors for components and shafts requiring high surface wear resistance, high-core strength and impact properties
- Alloyed case hardening steel for heavy and high strained gear parts with high demands on toughness at core tensile strengths of 1050-1350 N/mm²
S355J2+N
Spec Sheet
About
Equivalents
Characteristics
Typical Applications
Spec Sheet
About
S355J2 is a steel plate with carbon and manganese content lower than many other steel products.
This steel is a general-purpose steel fabrication product with a wide variety of uses, even at low temperatures.
S355J2 is a low alloy, high strength structural steel product available in thick variations. It has good machinability properties.
It is a versatile, high-performance steel plate product that can be supplied in thicknesses up to 400mm. It performs well even at low temperatures and is inspection certified for EN 10204.3.1 B.
Special Steels sells S355J2+N plate. We offer profile cutting to specific tolerances and with finely finished edges.
We also offer machine preparation and deliveries.
Equivalents
British: BS4360 grade 50D
Chinese: S355J2+N
German: DIN 17100 grade ST52-3
Characteristics
- Carbon steel
- High strength steel grade
- High performance steel grade
- Machinability good (premium quality)
- Impact tests at -20°C
- Low alloy high strength structural steel
- Inspection approved certificate: EN10204.3 1 B
Typical Applications
All types of steel fabrications