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EN 10297-1 SEAMLESS NON-ALLOY MECHANICAL TUBE

Commodity name： EN 10297-1 SEAMLESS NON-ALLOY MECHANICAL TUBE

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EN 10297-1 Seamless Non-alloy Mechanical Tube

EN 10297-1 specification is for seamless steel tubes for Machining and Engineering purposes. The E235, E355, D470, C22E, and C45E grades are mainly used for machining in mechanical engineering, crane construction and conveyor technology, Load-bearing machine parts Plant, and cylinder construction.

Non-alloy Mechanical Tube specification:

OD: 26.9-610mm

WT: 2.3-100mm

Length: 3000-12000mm

Non-alloy Mechanical Tube Chemical Composition:

Steel Grade		C		Si		Mn		P	S	Other elements
Steel Name	Steel No.	Min.	Max.	Min.	Max.	Min.	Max.	Min.	Max.
E235	1.0308	-	0.17	-	0.35	-	1.20	0.030	0.035
E275	1.0225	-	0.21	-	0.35	-	1.40	0.030	0.035
E315	1.0236	-	0.21	-	0.30	-	1.50	0.030	0.035
E355 ^a	1.0580	-	0.22	-	0.55	-	1.60	0.030	0.035
E470	1.0536	0.16	0.22	0.10	0.50	1.30	170	1.030	0.035	Al: Min.0.010; N: Max.0.020; Nb: Max.0.07; V: 0.05-0.15
C22E	1.1151	0.17	0.24	-	0.40	0.40	0.70	0.035	0.035	b
C35E	1.1181	0.32	0.39	-	0.40	0.50	0.80	0.035	0.035	b
C45E	1.1191	0.42	0.50	-	0.40	0.50	0.80	0.035	0.035	b
C60E	1.1221	0.57	0.65	-	0.40	0.60	0.90	0.035	0.035	b
38Mn6	1.1127	0.34	0.42	0.15	0.35	1.40	1.65	0.035	0.035	b
1. Manufacturers can add Nb, V, and Ti elements as needed, but the element content should be indicated. 2. Cr: max.0.40%; Mo:max.0.10%; Ni:max.0.40%; Cr+Mo+Ni max.0.63%

Mechanical Properties of Seamless Round Steel Tubes:

Steel Grade	Minimum Mechanical Properties
	Yield Strength (ReH) Mpa					Tensile Strength (Rm) Mpa				Elongation (A%)
	For T in mm					For T in mm				Elongation (A%)
	≤ 16	＞16 ≤ 40	＞40 ≤ 65	＞65 ≤ 80	＞80 ≤ 100	≤16	＞16 ≤40	＞40 ≤65	＞80 ≤100	l	t
E235	235	225	215	205	195	360	360	360	340	25	23
E275	275	265	255	245	235	410	410	410	380	22	20
E315	315	305	295	280	270	450	450	450	420	21	19
E355	355	345	335	315	295	490	490	490	470	20	18
E470	470	430	-	-	-	650	600	-	-	17	15

Steel Grade	Yield Strength (ReH) Mpa			Tensile Strength (Rm) Mpa			Elongation (A%)
	For T in mm			For T in mm			≤ 16		＞16 ≤40		＞40 ≤80
	≤ 16	＞16 ≤ 40	＞40 ≤ 80	≤ 16	＞16 ≤ 40	＞40 ≤ 40	≤ 16		＞16 ≤40		＞40 ≤80
	≤ 16	＞16 ≤ 40	＞40 ≤ 80	≤ 16	＞16 ≤ 40	＞40 ≤ 40	l	t	l	t	l	t
C22E	240	210	210	430	410	410	24	22	25	23	25	23
C35E	300	270	270	550	520	520	18	16	19	17	19	17
C45E	340	305	305	620	580	580	14	12	16	14	16	14
C60E	190	350	340	710	670	370	10	8	11	9	11	9
38Mn6	400	380	360	670	620	570	14	12	15	13	16	14

Note: l=longitudinal; t=transverse; a:1Mpa=1N/mm²

^{EN 10297-1 Steel Pipe Size:}

EN 10297-1 Non-alloy Steel Pipe Size

For the purposes of this European Standard, the terms and definitions given in EN 10020, EN 10021, EN 10052 and EN 10266 and the following terms and definitions apply.

1. fine grain steel

steel having an austenitic/ferritic grain size equal to or finer than 6 when measured in accordance with EuroNorm 103.

2. normalizing rolling

a rolling process in which the final deformation is carried out in a certain temperature range leading to a material condition equivalent to that obtained after normalizing so that the specified values of the mechanical properties are retained even after normalizing (+N)

NOTE: Delivery conditions of tubes manufactured by a normalizing rolling process or normalized by heat treatment in a furnace is both identified with the same symbol.

3. as rolled

formed after heating into the austenitic region (i.e. above AC 3) without subsequent heat treatment (+AR)

4. annealing

heat treatment at a temperature slightly below AC 1 (+A)

5. TH treatment

heat treatment with the object of achieving a hardness within a specified range (+TH)

6. FP treatment

heat treatment with the object of producing a ferritic and pearlitic structure and achieving a hardness within a specified range 7. employer

organization for which the person works on a regular basis.

BRISK STEEL is one of the leading China Mechanical Tube manufacturers and suppliers, if you want to buy or import best high-quality en 10297-1 seamless non-alloy mechanical tube professional company, factory, seller, and exporter, or if you are checking steel brands, please feel free to contact us.

sales@briskmetal.com

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