EN8/EN9 En Series Round Steel Bar

EN8 is a medium carbon steel with a carbon content of 0.25% to 0.60%. It is often used to manufacture mechanical parts, bearings, gears and other parts. It has high strength and wear resistance and can obtain high hardness and strength after heat treatment.

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Carbon Steel Round Bar

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PRODUCT DETAILS

En-8 (1040) It is an unalloyed medium carbon steel with reasonable tensile strength. It is usually supplied in a cold drawn or rolled state. Tensile properties may vary, but are usually between 500 - 800 N/mm. It is widely used in applications that require better performance than mild steel but cannot justify the cost of alloy steel. EN8 can be flame or induction hardened to produce good surface hardness and moderate wear resistance.

Product Parameters

Product Name	EN8/EN9 En Series Carbon Steel Bar
Standard	EN/DIN/JIS/ASTM/BS/ASME/AISI, etc.
Common Round Bar Specifications	3.0-50.8 mm, Over 50.8-300mm
Flat Steel Common Specifications	6.35x12.7mm, 6.35x25.4mm, 12.7x25.4mm
Hexagon Bar Common Specifications	AF5.8mm-17mm
Square Bar Common Specifications	AF2mm-14mm, AF6.35mm, 9.5mm, 12.7mm, 15.98mm, 19.0mm, 25.4mm
Length	1-6meters, Size Accept Custom
Diameter(mm)	Hot Rolling Round Bar	25-600	Cold Rolling Square Bar	6-50.8
	Hot Rolling Square Bar	21-54	Cold Rolling Hexagon Bar	9.5-65
	Cold Rolling Round bar	6-101.6	Forged Rebar	200-1000
Surface Process	Bright, Polished, Black
Other Services	Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.

Chemical Composition

Grade	C%	You are%	Mn%	Cr%	Mo%	W %
EN-1A	0.007-0.15	0.10	0.80-1.00	S	P	-
				0.20-0.30	0.70 MAX
EN-8	0.35-0.45	0.05-0.30	0.60-1.00	S	P	-
				0.06 MAX	0.06 MAX
EN-9	0.50-0.60	0.05-0.30	0.5-0.80	-	-	-
EN-19(V 320)	0.35-0.45	0.10-0.30	0.5-0.80	0.90-1.40	0.20-0.40
EN-24(V 130)	0.35-0.45	0.10-0.35	0.45-0.70	0.90-1.40	0.20-0.35	NI
						1.3-1.8
EN-31 R-100	0.90-1.20	0.10-0.35	0.30-0.75	1.00-1.60	-	-
EN-36C E-200	0.12-0.18	0.10-0.35	0.30-0.60	0.60-1.10	-	NI
						3.0-3.75
EN-42	0.70-0.85	0.10-0.40	0.55-0.75	-	-	-
EN-44	0.90-1.20	0.30	0.45-0.70	-	-	-
EN-45 F-110	50-0.60	1.5-2.0	0.70-1.00	-	-	-
EN-351	0.10-0.20	0.35	0.60-1.00	0.40-0.80	0.08-0.10	NI
						0.60-1.00
EN-353	0.10-0.20	0.35	0.50-1.00	0.75-1.25	0.08-o.15	NI
						1.00-1.50

Mechanical Properties

Grade	Hardening Temperature	Quenching Medium	Tempering Temperature	Brinell Hardness	JapanHe	AISI
EN-1A	-	-	-	-	-	-
EN-8	750-900	OIL	150-200		-	1040
EN-9	850-900	OIL	200-250	55-60	-	-
EN-19 (V 320)	900-950	OIL	200-225	45-55	SCM 4	4140
EN-24 (V 130)	830-860	OIL	540-680	45-55	SNCM 8	4340
EN-31 R-100	820-860	OIL	180-225	59-65	-	-
EN-36C E-200	780-860	OIL	170-210	61-63	SNC 22	3415
EN-42	600-700	DIRECT HARDENING		40-45	-	-
EN-44	650-750	OIL	150	45-50	-	-
EN-45	830-860	OIL	470-520	50-55	-	9255
EN-351	850-860	OIL	175-200	62-64	-	-
EN-353	840-870	OIL	150-200	62-64	-	-

Scope of Application

The EN series is widely used in many general engineering applications. Typical applications include shafts, studs, bolts, connecting rods, screws, etc.

USA	Japan	Germany		U.K.		France	Italy	Spain	Switzerland	China
AISI/SAE	JIS	W‐nr.	DIN	BS	EN	AFNOR	UNI	UNE	SS	GB
A570.36	STKM 12A	1.0038	RSt.37‐2	4360	‐	E 24‐2	‐	‐	1311	15
-	STKM 12C	-	-	40 C	-	Ne	-	-	-	-
1015	‐	1.0401	C15	080M15	‐	CC12	C15, C16	F.111	1350	15
1020	‐	1.0402	C22	050A20	2C	CC20	C20, C21	F.112	1450	20
1213	SUM22	1.0715	9SMn28	230M07	1A	S250	CF9SMn28	F.2111	1912	Y15
1213	SUM22	1.0715	9SMn28	230M07	1A	S250	CF9SMn28	11SMn28	1912	Y15
12L13	SUM22L	1.0718	9SMnPb28	‐	‐	S250Pb	CF9SMnPb28	11SMnPb28	1914	‐
‐	‐	1.0722	10SPb20	‐	‐	10PbF2	CF10Pb20	10SPb20	‐	‐
1215	‐	1.0736	9SMn36	240M07	1B	S300	CF9SMn36	12SMn35	‐	Y13
12L14	‐	1.0737	9SMnPb36	‐	‐	S300PB	CF9SMnPb36	12SMnP35	1926	‐
1015	S15C	1.1141	Ck15	080M15	32C	XC12	C16	C15K	1370	15
1025	S25C	1.1158	Ck25	‐	‐	‐	‐	‐	‐	25
A572-60	‐	1.890	StE380	4360 55	‐	‐	FeE390KG	‐	2145	‐
1035	‐	1.0501	C35	060A35	‐	CC35	C35	F.113	1550	35
1045	‐	1.0503	C45	080M46	‐	CC45	C45	F.114	1650	45
1140	‐	1.0726	35S20	212M36	8M	35MF4	‐	F210G	1957	‐
1039	‐	1.1157	40Mn4	150M36	15	35M5	‐	‐	‐	40Mn
1335	SMn438(H)	1.1167	36Mn5	‐	‐	40M5	‐	36Mn5	2120	35Mn2
1330	SCMn1	1.1170	28Mn6	150M28	14A	20M5	C28Mn	‐	‐	30Mn
1035	S35C	1.1183	Cf35	060A35	‐	XC38TS	C36	‐	1572	35Mn
1045	S45C	1.1191	Ck45	080M46	‐	XC42	C45	C45K	1672	Ck45
1050	S50C	1.1213	Cf53	060A52	‐	XC48TS	C53	‐	1674	50
1055	‐	1.0535	C55	070M55	9	‐	C55	‐	1655	55
1060	‐	1.0601	C60	080A62	43D	CC55	C60	‐	‐	60
1055	S55C	1.1203	Ck55	070M55	‐	XC55	C50	C55K	‐	55
1060	S58C	1.1221	Ck60	080A62	43D	XC60	C60	‐	1678	60Mn
1095	‐	1.1274	Ck101	060A96	‐	XC100	‐	F.5117	1870	‐
W1	SK3	1.1545	C105W1	BW1A	‐	Y105	C36KU	F.5118	1880	‐
W210	SUP4	1.1545	C105W1	BW2	‐	Y120	C120KU	F.515	2900	‐

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Bao Steel (Qingdao) Co., Ltd. is a large-scale enterprise group focusing on steel production and raw material import and export trade, integrating trade, industry, logistics and services, covering an area of 60000 square meters. After years of development, the business scope has expanded to the Middle East, Latin America, Australia, South Korea, Europe, Russia and even Africa. It has established a broad product sales and raw material procurement network at home and abroad, and sincerely provides customers with professional and thoughtful services.

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Our company is a quality benchmark enterprise, a national contract-abiding and credit-abiding enterprise, and a national, industry and group standard unit for "Colored Steel Plate for Building Decoration". We have many customers all over the world, and our products are exported to Asia, the Middle East, America, Europe, Africa and other countries, enjoying a good reputation at home and abroad.

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Carbon Steel Round Bar