Product Details

1.Product Description: stkr400 square pipe

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 %
STKR400	0.25 max	--	--	0.040 max	0.040 max	STKR400	245 min	400 min	23 min
STKR490	0.18 max	0.55 max	1.50 max	0.040 max	0.040 max	STKR490	490 min	325 min	23 min
JIS G 3466 carbon steel square pipes for general structural purpose
1) surface treatment: galvanized , oiled, painted , bare
2) test:chemical component analysis, mechanical properties ,technical properties , exterior size inspection
3)application: construction.Mechanical part. furniture making
4) package: in bundle covered by plastic bags with two strap in the end
5)certificate: SGS inspection
6)delivery time: usually in 20--30 days
7) payment term: T/T , L/C , Western Union

2. Here we list some size we offen produce for your reference.

square				rectangular
OD mm	WT mm	OD mm	WT mm	OD mm	WT mm	OD mm	WT mm	OD mm	WT mm
20*20	1.0-2.0	130*130	2.5-12.0	20*30	1.0-3.0	50*80	1.8-6.0	100*150	2.5-12.0
25*25	1.0-3.0	140*140	2.5-12.0	20*40	1.2-3.0	50*90	1.8-6.0	100*200	2.5-12.0
30*30	1.2-3.0	150*150	2.5-12.0	25*40	1.2-3.0	50*100	1.5-6.0	100*250	2.5-12.0
40*40	1.2-5.0	160*160	2.5-12.0	25*50	1.2-5.0	50*120	1.5-6.0	100*300	3.0-12.0
50*50	1.2-6.0	180*180	2.5-12.0	30*40	1.2-3.0	60*80	1.3-6.0	100*400	11.5-12.0
60*60	1.3-6.0	200*200	3.0-12.0	30*50	1.2-5.0	60*90	1.5-6.0	150*200	2.5-12.0
70*70	1.3-6.0	220*220	3.5-12.0	30*60	1.2-6.0	60*100	1.5-6.0	150*250	3.0-12.0
75*75	1.5-6.0	250*250	4.5-12.0	40*50	1.2-6.0	60*120	1.5-6.0	150*300	3.0-12.0
80*80	1.5-6.0	300*300	4.0-12.0	40*60	1.2-6.0	75*125	1.5-12.0	200*300	4.5-12.0
90*90	2.0-6.0	350*350	6.0-12.0	40*80	1.3-6.0	80*100	1.5-6.0	200*400	4.75-12.0
100*100	1.5-12.0	400*400	6.0-12.0	40*100	1.3-6.0	80*120	1.5-12.0	300*400	5.75-12.0
120*120	2.5-12.0			50*70	1.3-6.0	80*140	2.5-12.0	300*500	6.0-12.0
We are the manufacturer of steel pipe with many years experience.						80*160	2.5-12.0	400*600	6-12.0

3. some images about the stkr400 square pipe

4.certificate.

5. company intruction
Sino Metal Material Co., Ltd. is a professional manufacturer & exporter of stkr400 square pipe , 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 stkr400 square pipe , please feel free to contact us, we would send the info in time.