EN 10297-1 Seamless steel tubes for mechanical and general engineering purposes

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EN 10297-1 Seamless steel tubes for mechanical and general engineering purposes

Steel tubes according to EN 10297-1 are non-alloy and alloy seamless steel tubes for mechanical and general engineering purposes, which can be bent, crimped and similarly shaped, and are also suitable for welding operations. Steel pipe carbon steel material grade (chemical composition) E235, E275, E315, E355, C35E, C45E, etc., using hot forming or cold drawing process manufacturing.

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EN 10297-1 Seamless steel tubes for mechanical and general engineering purposes

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Description

Product Description

Product Size

Outer diameter: 21.3～610mm
Wall thickness: 2.77～70.00mm
End: Flat end
Length: 3 to 12 meters or SRL, DRL, double-footed and fixed-footed

Product Packaging

External surfaces oiled or varnished/black lacquered and strapped with steel straps.

Chemical composition

	C	Mn	P	S	Si	Cr	Cu	Mo	Ni	Nb	V	Alt	Cr+Mo+Ni
	≤，%
E235	0.17	1.20	0.030	0.035	0.35
E275	0.21	1.40	0.030	0.035	0.35
E315	0.21	1.50	0.030	0.035	0.30
E355	0.22	1.60	0.030	0.035	0.55
E470	0.16-0.22	1.30-1.70	0.030	0.035	0.50					0.07	0.08-0.15	≥0.010
C22E	0.17-0.24	0.40-0.70	0.035	0.035	0.40	0.40		0.10	0.40				0.63
C35E	0.32-0.39	0.50-0.80	0.035	0.035	0.40	0.40		0.10	0.40				0.63
C45E	0.42-0.50	0.50-0.80	0.035	0.035	0.40	0.40		0.10	0.40				0.63
C60E	0.57-0.65	0.60-0.90	0.035	0.035	0.40	0.40		0.10	0.40				0.63

Product Mechanical Properties

	Delivery status	Tensile strength ≥, MPa				Yield strength ≥, MPa				Elongation after break ≥, %
	Delivery status	Wall thickness≤16mm	16＜Wall thickness≤40mm	40＜Wall thickness≤65mm	65＜Wall thickness≤80mm	Wall thickness≤16mm	16＜Wall thickness≤40mm	40＜Wall thickness≤65mm	65＜Wall thickness≤80mm	Vertical	Horizontal
E235	Rolled or normalized	360	360	360	340	235	225	215	205	25	23
E275		410	410	410	380	275	265	255	245	22	20
E315		450	450	450	420	315	305	295	280	21	19
E355		490	490	490	470	355	345	335	315	20	18
E470	Rolled	650	600			470	430			17	15
C22E	normalized	240	210	210	210	430	410	410	410	product standard
C35E		300	270	270	270	550	520	520	520
C45E		340	305	305	305	620	580	580	580
C60E		390	350	340	340	710	670	670	670
		Wall thickness≤8mm	8＜Wall thickness≤20mm	20＜Wall thickness≤50mm	50＜Wall thickness≤80mm	Wall thickness≤8mm	8＜Wall thickness≤20mm	20＜Wall thickness≤50mm	50＜Wall thickness≤80mm	Vertical	Horizontal
C22E	Hardening + Tempering	500	470	440	420	340	290	270	260	product standard
C35E		630	600	550	500	430	380	320	290
C45E		700	650	630	600	490	430	370	340
C60E		850	800	750	710	580	520	450	420

	Delivery status	20℃ impact absorption work ≥, J
		Wall thickness≤8mm		8＜Wall thickness≤20mm		20＜Wall thickness≤60mm		60＜Wall thickness≤100mm
		Vertical	Horizontal	Vertical	Horizontal	Vertical	Horizontal	Vertical	Horizontal
C22E	Hardening + Tempering	50		50	32	40	27	40	27
C35E		35		35	22	35	22	35	22
C45E		25		25	14	25	14	25	14