Product Details

Black steel pipe

1.Detail Information of Galvanized steel pipe manufacturers china

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. some images about Galvanized steel pipe manufacturers china

duct line 0f Galvanized steel pipe manufacturers china

pany intruction

Tianjin Zhanzhi Steel CO.,LTD founded in 2008.It is a branch of Shanghai Zhanzhi Industry Group Co.,LTD. It is founded in early 1990s,located in Shanghai Yangpu Distrist, is a large-scale comprenhensive enterprise group, combining steel trade,processing and distribution of steel,steel raw materials,real estate development,financial investment and other industries. The registered capital is 200 million RMB.

As Chinamental materials industry leading enterprises, the national steel trade and logistics " Hundred good faith enterprise","Top 100 private enterprises in Shanghai".Shanghai Zhanzhi Industry Group Co.,LTD takes the"Integrity,Practicality,Innovation,Win-win"as its sole operation principle, always persist in putting the customer demand in the first place. To meet the maximum needs of customers as the starting point and foothold of work,which has won the trust and respect of the most customers and has achieved a win-win situation with customers,established the leading position in the steel industry. Zhanzhi Group located in Shanghai, the business development have been expanded to the whole country, covering South China,north China,central China and east China area. Zhanzhi Group in Guangdong, Fuzhou, Xiamen, Chengdu, Chongqing, Shanxi, Tianjin, Liaoning, Lanzhou, Wuxi and other areas set up 11 subsudiary companies, has more than 600 employees, annual sales of steel products of more than 2000000 tons, annual sales income over 13 billion RMB.