ERW pre galvanized steel square/rectangular pipe/tube

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Products

Product	Galvanized square and rectangular steel pipe	No.	Size (mm*mm)	Thickness (mm)
Specification	section shape:square and rectangular	1	20*20	0.6-2.0
	thickness:0.6mm-20mm	2	25*25	1.3-3.0
	square range:10x10mm-800x800mm,Rectangular Range:10x20mm--750x800mm	3	30*30	1.3-3.0
	Zinc coating: 40-400g/㎡	4	40*40	1.3-6.0
Standard	BS1387,GB3091,ASTMA53, B36.10, BS EN1029, API 5L, GB/T9711 etc	5	50*50	1.3-6.0
Material	Q195, Q235, Q345; ASTM A53 GrA,GrB; STKM11,ST37,ST52, 16Mn,etc.	6	60*60	1.3-6.0
Fabrication	Plain ends, cutting, threading, etc	7	70*70	1.5-5.75
Surface treatment	1. Galvanized	8	80*80	1.5-5.75
	2. PVC,black and color painting	9	100*100	1.7-5.75
	3. Transparent oil,anti-rust oil	10	120*120	2.5-5.75
	4. According to clients requirement	11	150*150	3.75-5.75
Package	1. Bundle	12	140*140	2.0-3.0
	2. Bulk	13	130*130	2.0-3.0
	3. Plastic bags ,etc	14	135*135	2.0-3.0
Min order	25tons,more quantity price will be lower	15	160*160	2.0-3.0
Payment terms	T/T, L/C at sight	16	180*180	2.0-3.0
Deliver time	Within 35 days after deposit, ASAP	17	200*200	4.0-18.0
Application	Construction,machine structure pipe, Agriculture equipment pipe, Water and gas pipe, Greenhouse pipe, Scaffolding pipe, Building material tube, Furniture tube, Low pressure fluid tube, Oil pipe, etc	18	250*250	4.0-18.0
Others	We can do special orders as customer’s requests.	19	300*300	4.0-18.0
	We also can provide all kinds of steel hollow pipes.	20	350*350	4.0-18.0
	All the production process are made under the ISO9001:2008 strictly	21	400*400	4.0-18.0
Business type	Manufacture and exporter	22	500*500	4.0-18.0

Steel grade	Machinary properties					Chemical composition
	Yield strength		Tensile strength		Elongation	C	Si	Mn	S	P
	Mpa	kg/mm²	Mpa	kg/mm²	min	C	≤	Mn	≤	≤
Q215A Q215B	215	22	335-410	34-42	31	0.09-0.15	0.03	0.25-0.55	0.050 0.045	0.045
Q235A/C250 Q235B/C250 Q235C Q235D	235	24	375-460	38-47	26	0.14-0.22 0.12-0.20 ≤0.18 ≤0.17	0.3	0.30-0.65 0.30-0.70 0.35-0.80 0.35-0.80	0.50 0.45 0.40 0.035	0.045 0.045 0.040 0.035
Q345B/C350	345	35	510-600	51-60	22	0.12-0.20	0.20-0.55	1.2-1.6	0.045	0.045

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