EN8 (080M40)

EN8 Round Bar / 080M40 Steel

 EN8 Round Bar Stockist, EN8 Round Bar Suppliers, EN8 Dealers, EN8 Traders, EN8 Round Bar Manufacturer

 

EN8 Round Bars | Rods | Shafts

 

What is EN8 Carbon Steel?

EN8 Carbon Steel is a common medium carbon and medium tensile steel, with improved strength over mild steel, through hardening medium carbon steel. EN8 carbon steel is also readily machinable in any condition.

EN8 also know as 080M40. An unalloyed medium carbon steel. EN8 is a medium strength steel, good tensile strength. Suitable for shafts, stressed pins, studs, keys etc. AISI 1040.

EN8 steels are generally used in the as supplied untreated condition. But EN8 steels can be further surface-hardened by induction processes, producing components with enhanced wear resistance. Steel EN8 materials in its heat treated forms possesses good homogenous metallurgical structures, giving consistent machining properties.

Good heat treatment results on sections larger than 65mm may still be achievable, but it should be noted that a fall-off in mechanical properties would be apparent approaching the centre of the bar. It is therefore recommended that larger sizes of EN8 steel materials are supplied in the untreated condition, and that any heat treatment is carried out after initial stock removal. This should achieve better mechanical properties towards the core.

It is normally supplied in the cold drawn or as rolled condition.  EN8 is widely used for applications which require better properties than mild steel but does not justify the costs of an alloy steel. EN8 can be flame or induction hardened to produce a good surface hardness with moderate wears resistance. EN8 is available from stock in bar and can be cut to your requirements. We also offer flame cut plates cut to your required sizes and normalized. EN8 plates can be supplied surface ground or precision ground.

We are manufacturing range of EN8 Round Bars from prime quality billets and blooms. The range of products of EN8 Round Bar which we offer to our customers are of high quality and these round bars are used for making machineries and OEM Auto components. These products have been made keeping in mind the quality parameters which have been set by the industry in the market. That said EN8 Steel Round Bars are always supplied with the test certificates and can be supplied in bulk quantity as well as retail quantity as per customers requirements. Carbon Steel round bars are supplied by us to various industries. EN8 Steel Bars - 080M40 - An unalloyed medium carbon steel, with good tensile strength

EN8 Steel – SAE-AISI 1040 is classified as carbon steel. EN8 is unalloyed medium carbon steel (BS 970 080m40) with good tensile strength compared to normal mild steel. EN8 steel is suitable for all round engineering applications, which require higher strength such as manufacturing shafts, studs, bolts, connecting rods, screws, rollers. Welding, forming and machining of EN8 round bars can be easily done.

 

EN8 Steel is Steel Grade in BS 970 1955 Specification :

EN8 steel grade belongs to the standard of BS 970-1955, which is a standard for wrought steel for mechanical and allied engineering purpose. In BS 970 standards, there are some other common steel grades, like EN9, EN19, EN24, EN36 etc. And the most equivalent is grade 080M40 steel in BS 970-1991.

 

Equivalent grades of EN8 round bars:

Werkstoff No. 1.0511, BS 970 1991 080M40, AISI/SAE 1040, C40

 

EN8 Carbon Steel is Available in Following Shape:

Available as normalized or rolled. We could supply EN8 steel in bright round bar in drawn/turned condition or round hot rolled, hexagon, square, steel flats and plate.

• EN8 Steel Round Bar: 8 mm-1600 mm
• EN8 Steel Cold Drawn Bar: 5 mm-70 mm
• EN8 Carbon Steel Flat & Plate: 10-1500 mm x 200-3000 mm

Sizes of other shapes are also available so please send email to us at This email address is being protected from spambots. You need JavaScript enabled to view it. for specific checking.

 

Typical Applications:

• Automotive parts
• Shafts
• Gears
• Spindles
• Stressed Pins
• Keys
• Connecting rods
• Studs, bolts
• Axles, spindles
• General engineering components

 

International Specifications Comparisons of EN8 Carbon Steel Grade Equivalents :

Other steel grades in ASTM, DIN, JIS standards are similar and equivalent to EN8 steel

BRITISH BS 970:1991	080M40, 080A42
BRITISH BS 970:1955	EN8, EN8D
AISI / ASTM A29	1038, 1040, 1045
DIN Werkstoff No.	1.0511, 1.1186, 1.1189
BS & DIN European	C40, CK40, C45, CK45
JIS G4051	S40C, S45C
AISI / SAE	1040, 1042
EN	EN8
BS	080A40

 

Steel Number	Steel Name	Grade	AISI/SAE	BS 970 1983
1.0511	C40	En8	1040	080M40

 

Carbon Steel EN8 / 080m40 Chemical Composition / Chemistry :

Standard	Grade	C	Mn	P	S	Si
BS 970	EN8/080M40	0.36-0.44	0.60-1.00	0.05	0.005	0.10-0.40

 

EN8 Medium Carbon Steel Mechanical Properties and Hardness :

Heat Treatment	Tensile Strength Rm	Yield Strength Rm	Rp 0.2	A min on	Impact		Hardness
				5.65√So	Izod Ft.lb	KCV J
	MPa	MPa	MPa				HB
N	550	280	–	16	15	16	152/207
	510	245	–	17	–	–	146/197
Q	625/775	385	355	16	25	28	179/229
R	700/850	465	450	16	25	28	201/255

Presinox Impex is a supplier of EN8 (080M40) leaded steel to local and national businesses. We stock EN8 and leaded in bright bar, black round bar, hexagon and blocks.  You can email us at This email address is being protected from spambots. You need JavaScript enabled to view it. for any requirement or inquiry.

 

Other Designations or Equivalents for EN8 Carbon Steel :

BS 970 1991	BS 970 1955 EN	AISI/SAE	Werkstoff
080M40	EN8	1040	1.1186
080A42	EN8D	1042	-

 

Who we are :

• Carbon Steel EN8 Round Bar manufacturers in india
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• Carbon Steel EN8 Round Bar exporters in india
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• Carbon Steel EN8 Round Bar wholesaler in india
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• Carbon Steel EN8 Round Bar manufacturer in Mumbai, Maharashtra
• Carbon Steel EN8 Round Bar manufacturers in Rajkot, Gujarat

 

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