En10297-1 E235, E275, E315, E355 Seamless Steel Mechanical Pipe

• Type: Seamless
• Technique: Cold Rolled
• Material: Carbon Steel
• Surface Treatment: Oiled
• Usage: Hydraulic/Automobile Pipe, Machinery Industry, Construction & Decoration, Special Purpose
• Section Shape: Round
• Model NO.: KM-81
• Size: 1/2′′-24′′
• Thickness: +/-0.05mm
• Delivery Time: 20-30days
• Alloy or Not: Non-Alloy
• Length: 3m,5.8 M, 6m, ..
• Finish Condition: Bk,Bkw,Bks,Gbk,Nbk
• Surface: in Oil
• Certificate: ISO CE
• Transport Package: in Bundles /Wooden Boxes or Customers′ Request
• Specification: Seamless 1/2" To 24"
• Trademark: kingmetal
• Origin: China (Mainland)
• Production Capacity: 20000 Ton/Tons / Month

Product Description

Standard:EN10297-1 Seamless circular steel tubes for mechanical and general engineering purposes

- Technical delivery conditions Non-alloy and alloy steel tubes

 

Application: for seamless circular tubes made of non-alloy and alloy steels for mechanical and gneral engineering purposes.

 

Size range: O.D.: 6-168mm      W.T.: 1-30mm     L:max12000mm

 

Material:   Fine Grain Steel

E235, E275, E315, E355, E470

C15, C22, 38Mn6, 41Cr4,

25CrMo4, 30CrMo4, 34CrMo4, 42CrMo4

 

Delivery condition:

Normalizin rolling process or normalized by heat treatment in a furnance.

 

Manufacture:

The tubes are manufactured by Seamless Cold Drawn or Seamless Cold Rolling.

 

Steel  Grade		C		Si		Mn		P	S	Cr		Mo		Ni		Other elements
Steel Name	Steel Number	min	max	min	max	min	max	max	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 b	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	1.70	0.030	0.035							Al min 0.010, N max. 0.020, Nb Max.0.07,V 0.08/0.15
C22E	1.1151	0.17	0.24	-	0.40	0.40	0.70	0.035	0.035
C35E	1.1181	0.32	0.39	-	0.40	0.50	0.80	0.035	0.035
C45E	1.1191	0.42	0.50	-	0.40	0.50	0.80	0.035	0.035
C60E	1.1221	0.57	0.65	-	0.40	0.60	0.90	0.035	0.035
25CrMo4	1.7218	0.22	0.29		0.40	0.60	0.90	0.035	0.035	0.90	1.20	0.15	0.30	-	-
30CrMo4	1.7216	0.27	0.34		0.35	0.35	0.60	0.035	0.035	0.80	1.15	0.15	0.30	-	-
34CrMo4	1.7220	0.30	0.37		0.40	0.60	0.90	0.035	0.035	0.90	1.20	0.15	0.30	-	-
42CrMo4	1.7225	0.38	0.45		0.40	0.60	0.90	0.035	0.035	0.90	1.20	0.15	0.30	-	-

 

Steel  Grade		Delivery Conditiion	Minimum tensile properties
Steel Name	Steel Number		Yield  Strength(ReH) Mpa b					Tensile Strength(Rm) Mpa				Elongation  A%
			For T in mm					For T in mm				l	t
			≤16	>16	>40	>65	>80	≤16	>16	>40	>65
				≤40	≤65	≤80	≤100		≤40	≤65	≤100
E235	1.0 308	+ARora+N	235	225	215	205	195	360	360	360	340	25	23
E275	1.0 225	+AR ora+N	275	265	255	245	235	410	410	410	380	22	20
E315	1.0 236	+ARora+N	315	305	295	280	270	450	450	450	420	21	19
E355	1.0 580	+AR ora+N	355	345	335	315	295	490	490	490	470	20	18
E470	1.0 536	+AR	470	430	-	-	-	650	600	-	-	17	15

 

Steel Grade		Minimum tensile properties
Steel name	Steel number	Yeld strength(ReH) MPa			Tensile strength(Rm) MPa			Elongation A %
		For T in mm			For T in mm			For T in mm
		≤16	>16	>40	≤16	>16	>40	≤16		>16		>40
			≤40	≤80		≤40	≤80			≤40		≤80
								l	t	l	t	l	t
C22E	1.151	240	210	210	430	410	410	24	22	25	23	25	23
C35E	1.1181	300	270	270	550	520	520	18	16	19	17	19	17
C45E	1.1191	340	305	305	620	580	580	14	12	16	14	16	14
C60E	1.1221	390	350	340	710	670	670	10	8	11	9	11	9

 

Steel Grade		Minimum tensile properties
Steel Name	Steel Number	Yield  strength(ReH) Mpa				Tensile  strength(Rm) Mpa				Elong ation A %
		For T in mm				For T in mm				For T in mm
		≤8	>8	>20	>50	≤8	>8	>20	>50	≤8		>8		>20		>50
			≤20	≤50	≤80		≤20	≤50	≤80			≤20		≤50		≤50
										l	t	l	t	l	t	l	t
C22E	1.1151	340	290	270	260	500	470	440	420	20	18	22	20	22	20	22	20
C35E	1.1181	430	380	320	290	630	600	550	500	17	15	19	17	20	18	20	18
C45E	1.1191	490	430	370	340	700	650	630	600	14	12	16	14	17	15	17	15
C60E	1.1221	580	520	450	420	850	800	750	710	11	9	13	11	14	12	14	12

 

Steel Grade		Minimum tensile properties
Steel name	Steel nu mber	Yield  strength(ReH) Mpa				Tensile  strength(Rm) Mpa				A %
		For T in mm				For T in mm				For T in mm
		≤ 8	> 8	> 20	> 50	≤8	> 8	> 20	> 50	≤8		>8		> 20		> 50
			≤20	≤50	≤80		≤20	≤50	≤80			≤20		≤ 50		≤ 80
										l	t	l	t	l	t	l	t
25CrMo4	1.7218	700	600	450	400	900	800	700	650	12	10	14	12	15	13	16	14
30CrMo4	1.7216	750	630	520	480	950	850	750	700	12	10	13	11	14	12	15	13
34CrMo4	1.7220	800	650	550	500	1000	900	800	750	11	9	12	10	14	12	15	13
42CrMo4	1.7225	900	750	650	550	1100	1000	900	800	10	8	11	9	12	10	13	11