Product Details

building material/hollow tube/metal/ERW Q345 Q235B ERW black round steel welded pipe

1.Detail Information of building material/hollow tube/metal/ERW Q345 Q235B ERW black round steel welded pipe

1) size : O.D 15--457mm W.T 1--12mm Length: as you required. ( L < 12m )
2) the chemical composition of raw materials						the mechanical property of raw materials
item	Chemical composition %					Item	mechanical property
steel	C	Mn	S	P	Si	steel	yield point Mpa	tensile strength Mpa	elongation %
BS1387	< 0.2	< 1.2	< 0.045	< 0.045	< 0.30	BS1387	> 195	325-460	20 (min)
A53 A	0.25	0.95	0.045	0.05	--	A53 A	> 205	> 330	26--30
A53 B	0.3	1.2	0.045	0.05	--	A53 B	> 240	> 415	21--26
A500 A D	< 0.26	< 1.35	< 0.035	<0.035	0<0.30	A500 A D	230--250	310-400	22--26
A500 B C	< 0.26	< 1.35	< 0.035	<0.035	0<0.30	A500 B C	315--345	400--425	21--22
S235	< 0.20	< 1.4	< 0.040	< 0.040	< 0.30	S235	> 235	> 425	21--22
S355	< 0.22	< 1.6	< 0.030	< 0.030	< 0.55	S355	> 355	470-630	21-22
C250	< 0.3	< 1.2	< 0.045	< 0.040	< 0.30	C250	250	320	25
C350	< 0.22	< 1.6	< 0.035	< 0.035	< 0.55	C350	350	430	22
3)quality standard: A53 \| A252 \| A572 \| A450 A500 \| A795\|EN 39\|BS1139\|BS1387\| BS6323\| BS10210 \|EN10217\| BS3602 \|EN10219\| DIN17100 \|DIN1626 \|GOST8731 \|GOST10704\|as1074 \|as1163

4) surface treatment: galvanized , oiled, painted , bare
5) end treatment: beveled , plain , threaded
6) test:chemical component analysis, mechanical properties ,technical properties , exterior size inspection
7)application:transmission of gas .water .petroleum, chanical part furniture making
8)certificate: SGS inspection
9)delivery time: usually in 20--30 days
10) payment term: T/T , L/C, Western Union

2.Here we list the size of sch40 for your reference.

sch40 WT

1/2"

2.77

1-1/4"

3.56

2-1/2"

5.16

6.02

8.18

3/4"

2.87

1-1/2"

3.68

5.49

6.55

10"

9.27

3.38

3.91

3-1/2"

5.74

7.11

12"

10.31

other size for your reference

OD mm	WT mm	`	OD mm	WT mm	OD mm	WT mm	OD mm	WT mm
21	1--2.75		73	2.5--7.0	121	2.5--7.0	168.3	2.75--12
25	1.7--3.25		76.1	2.5--7.0	127	2.75--11.0	177.8	2.75--12
33.4	1.9--4.0		88.9	2.8--8.0	133	3.25--8.0	194	2.75--12
42.2	2.0--4.0		98	2.5--4.5	139.7	2.5--10.0	203	3.0--12
48.3	2.0--7.0		102	2.5--9.0	152	3.25--7.5	219	2.75--12.0
57	2.3--5.0		108	2.8--9.0	159	2.5--10.0	244.5	4.0--12.0
60.3	2.0--7.0		114.3	2.5--9.0	165	2.75--7.0	273.1	4.0--12.0
We are the manufacturer of steel me size not listed here also can be produced. Fittings and flanges also can be supplied and welded. If you need more info , please feel free to contact us ,we would send the info in time .

3. some images about erw round tube

duct line

pany intruction

Sino Metal Material Co., Ltd. is a professional manufacturer of erw round tube, specialized in the field for many years.Our main market is South East Asia, South-Asia, The Middle East, North America,South America, Australia . If you are the buyer from these area , please don't hesitate to contact us , for we have many advantages in these market . but if you are not from these area, also please feel free to contact us , we would send our best offer for your reference .
For more details about the erw round tube, please feel free to contact us, we would send in the info in time.

CONTACT: BETTY TAN

SKYPE:BETTY1992123

EMAIL:SINOMETAL.BETTY(AT)FOXMAIL(AT)COM