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HomeProducts Carbon Steel Pipes EN 10305-1

STEEL TUBES FOR PRECISION APPLICATIONS

Standard: EN 10305-1
Steel grade: E215, E235, E355, E255, E410
Size: OD (4-190mm) x WT (0.5-15mm)
Application: Used in hydraulic system, automobile, locomotive and military industry.

Dimension Tolerance

OD Tolerance	4-30mm	31-40mm	41-50mm	51-60mm	61-70mm	71-80mm	81-90mm	91-100mm
OD Tolerance	±0.08mm	±0.15mm	±0.20mm	±0.25mm	±0.30mm	±0.30mm	±0.40mm	±0.45mm
WT Tolerance	±10%

Chemical Composition

Grade	Chemical composition %
Grade	C	Si	Mn	P	S	Al	V	Others
E215	≤0.1	≤0,05	<0.70	≤0,025	≤0,025	≥0,025	-	-
E235	≤0,17	≤0,17	<1,20	≤0,025	≤0,025	-	-	-
E255	≤0,21	≤0,35	0,40-1,10	≤0,025	≤0,025	-	-	-
E355	≤0,22	≤0,55	<1,60	≤0,025	≤0,025	-	-	-
E410	0,16-0,22	0,10-0,50	1,30-1,70	≤0.03	≤0.035	0,010-0,060	0,08-0,15	Nb<0,07; Ti<0,05

Mechanical Properties

Grade	Mechanical properties (Min.)
	+C		+LC		+SR			+A		+N
	R m	A%	R m	A%	R m	R eH	A%	R m	A%	R m	R eH	A%
	MPa	A%	MPa	A%	MPa	MPa	A%	MPa	A%	Mpa	Mpa	A%
E215	430	8	380	12	380	280	16	280	30	290 - 430	215	30
E235	480	6	420	10	420	350	16	315	25	340 - 480	235	25
E255	580	5	520	8	520	375	12	390	21	440 - 570	255	21
E355	640	4	580	7	580	450	10	450	22	490 - 630	355	22
E410	750	4	620	8	690	590	12	520	22	550- 700	410	22

+C (BK): Glossy hard;

+LC (BKW): Glossy soft;

+SR (BKS): Glossy soft (tempered);

+A (GBK): Without scale, soft;

+N (NBK): Normalized

Size Table for EN 10305-1:

D\W	0.5	0.8	1	1.2	1.5	1.8	2	2.2	2.5	2.8	3	4.5	5	5.5	6	7	8	9	10	12	14	15
4
5
6
7
8
9
10
12
14
15
16
18
20
22
25
26
28
30
32
35
38
40
42
45
48
50
55
60
65
70
75
80
85
90
95
100
110
120
130
140
150
160
170
180
190

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D\W	0.5	0.8	1	1.2	1.5	1.8	2	2.2	2.5	2.8	3	4.5	5	5.5	6	7	8	9	10	12	14	15
4
5
6
7
8
9
10
12
14
15
16
18
20
22
25
26
28
30
32
35
38
40
42
45
48
50
55
60
65
70
75
80
85
90
95
100
110
120
130
140
150
160
170
180
190

D\W	0.5	0.8	1	1.2	1.5	1.8	2	2.2	2.5	2.8	3	4.5	5	5.5	6	7	8	9	10	12	14	15
4
5
6
7
8
9
10
12
14
15
16
18
20
22
25
26
28
30
32
35
38
40
42
45
48
50
55
60
65
70
75
80
85
90
95
100
110
120
130
140
150
160
170
180
190

D\W	0.5	0.8	1	1.2	1.5	1.8	2	2.2	2.5	2.8	3	4.5	5	5.5	6	7	8	9	10	12	14	15
4
5
6
7
8
9
10
12
14
15
16
18
20
22
25
26
28
30
32
35
38
40
42
45
48
50
55
60
65
70
75
80
85
90
95
100
110
120
130
140
150
160
170
180
190