ERW Tubes

ERW industrial tubes produced in 13–168.3 mm outside diameter and 0.7–7.1 mm wall thickness range for automotive, appliances, furniture and construction.

TS 6476DIN 1615DIN 2394TS EN 10305-3ASTM A500EN 10219-1/2DIN 2458BS 6363

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Production Size Range

Outside diameter: 13 mm – 168.3 mm · Wall thickness: 0.7 mm – 7.1 mm. Produced on request from hot rolled, pickled or cold rolled strip in various grades, with surfaces suitable for chrome plating and similar treatments.

Dimension and Value Tables

Physical and Chemical Properties of Tubes Produced to TS 6476 – DIN 2394

Steel Type	Bright Hard — Tensile Strength Min. (N/mm²)	Bright Hard — Elongation Min. (%)	Annealed — Tensile Strength Min. (N/mm²)	Annealed — Elongation Min. (%)	Normalized — Tensile Strength (N/mm²)	Normalized — Yield Strength Min. (N/mm²)	Normalized — Elongation Min. (%)	C Max. (%)	Si Max. (%)	Mn Max. (%)	P Max. (%)	S Max. (%)	Al Max. (%)
R St 34-2	330	8	300	28	310-410	205	28	0,15	0,3	0,6	0,03	0,03	0,02
R St 37-2	390	7	315	25	340-470	235	25	0,17	0,3	0,7	0,03	0,03	0,02
R St 44-2	440	6	390	21	410-540	255	21	0,21	0,3	1,1	0,03	0,03	0,02
R St 52-3	540	5	490	22	490-630	355	22	0,22	0,55	1,6	0,03	0,03	0,02

Longitudinally Welded Steel Tubes and Hollow Sections — Unit Weight (kg/m)

Size — Outside Diameter (mm)	0,7	0,8	0,9	1	1,2	1,5	2	2,5	3	3,5	4	4,5	5	5,5	6,3	7,1
13,0	0,212	0,240	0,269	0,296	0,349
16,0	0,264	0,300	0,335	0,370	0,438	0,536
19,0	0,316	0,359	0,402	0,444	0,527	0,647
21,3	0,356	0,404	0,453	0,500	0,595	0,732	0,952
25,0	0,419	0,477	0,535	0,592	0,704	0,869	1,134	1,390
26,9	0,452	0,515	0,577	0,639	0,761	0,940	1,228	1,504
32,0		0,615	0,690	0,765	0,911	1,130	1,480	1,820	2,150
33,7		0,649	0,728	0,805	0,962	1,190	1,560	1,920	2,270
38,0			0,820	0,910	1,090	1,350	1,780	2,190	2,590	2,980
42,4			0,920	1,020	1,220	1,510	1,990	2,460	2,910	3,340
45,0			0,979	1,090	1,300	1,610	2,120	2,620	3,110	3,580
48,3			1,050	1,160	1,380	1,720	2,280	2,810	3,350	3,840	4,370
51,0			1,110	1,230	1,470	1,830	2,417	2,990	3,550	4,100	4,640
60,3					1,175	2,175	2,875	3,563	4,239	4,903	5,553	6,192
63,5					1,830	2,228	3,010	3,730	4,450	5,140	5,820	6,490	7,120
76,1					2,216	2,760	3,650	4,537	5,408	6,260	7,110	7,940	8,700	9,570
88,9						3,233	4,286	5,327	6,355	7,371	8,375	9,366	10,300	11,310
95,0						3,459	4,587	5,703	6,806	7,897	8,986	10,043	11,097	12,139
101,6						3,703	4,910	6,110	7,290	8,467	9,630	10,770	11,900	13,030	14,800
114,3						4,172	5,520	6,870	8,210	9,540	10,900	12,200	13,400	14,700	16,800	18,800
127,0							6,160	7,675	9,170	10,650	12,130	13,590	15,030	16,479	18,750	21,000
139,7							6,790	8,460	10,100	11,800	13,400	15,000	16,600	18,200	20,700	23,200
152,0							7,400	9,220	11,000	12,800	14,600	16,400	18,100	19,900	22,600	25,400
159,0							7,740	9,650	11,500	13,400	15,300	17,100	19,000	20,800	23,700	26,600
168,3							8,200	10,200	12,200	14,200	16,200	18,200	20,100	22,100	25,200	28,200

Nominal Diameter (DN) – Inch Equivalent (NPS)

Nominal Diameter DN (mm)	Inch Equivalent NPS (inches)
6	1/8
8	1/4
10	3/8
15	1/2
20	3/4
25	1
32	1 1/4
40	1 1/2
50	2
65	2 1/2
80	3
100	4
150	6
200	8
250	10
300	12
350	14
400	16
450	18
500	20
550	22
600	24
650	26
700	28
750	30
800	32
900	36
1000	40
1050	42
1100	44
1200	48
1300	52
1400	56
1500	60
1600	64
1700	68
1800	72
1900	76
2000	80
2200	88

Minimum Yield Strength by Thickness (N/mm²)

Steel Grade	≤ 16 mm	> 16 ≤ 40 mm	> 40 ≤ 63 mm	> 63 ≤ 80 mm	> 80 ≤ 100 mm	> 100 ≤ 150 mm
S275	275	265	255	245	235	225
S355	355	345	335	325	315	295
S420	420	400	390	370	360	340
S460	460	440	430	410	400	380

Images

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