40*40mm galvanized steel square tube for construction frame

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US$ 250 - 560 / Ton

1 Ton(Min. Order)

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Product Details

40*40mm galvanized steel square tube for construction frame

1.Weight per meter=[(length+width)*2/3.14-wall thickness ]*wall thickness*0.02466

1)Size : rectangular O.D 20x30 mm--400x600 mm , square O.D 20x20mm--400x400mm W.T 1--25 mm Length: L < 12 m
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	< 0.12	< 0.50	< 0.050	< 0.045	< 0.30	BS1387	> 195	315-430	32-33
A53 A	< 0.15	< 0.55	< 0.05	< 0.045	< 0.30	A53 A	> 205	330	26--30
A53 B	< 0.3	< 1.2	< 0.045	<0.05	<0.30	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: A500, BS10210 ,BSEN10219, DIN 17100 ,JIS-G3466 as1074 as1163
4) Surface Treatment: Galvanized , Oiled, Painted , Bared
5) Test:chemical component analysis, mechanical properties ,technical properties , exterior size inspection
6)Application: construction.Mechanical part, furniture making
7) Package: in bundle covered by plastic bags with two strap in the end or as your request
8)Certificate: SGS inspection,ISO9001:2008
9)Delivery time: usually in 15--25 days
10) Payment term: T/T , L/C
11)MOQ:usually 10 tons,can be less if there are some in stock.
12)Shipping Port:Xingang(Tianjin,China)

2.the photos of our products

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Shijiazhuang Gangzhijie Steelsheet Building Material Co., Ltd.: Contact namecandy ji
Chat Now; Phone86-311-86063089; Addressyuhua road, Shijiazhuang, Hebei

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