mild steel square tube size

1.detail information: steel square tube sizes

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 %
Q195	0.06-0.12	0.25-0.50	< 0.050	< 0.045	< 0.30	Q195	> 195	315-430	32-33
Q215	0.09-0.15	0.25-0.55	< 0.05	< 0.045	< 0.30	Q215	> 215	335-450	26-31
Q235	0.12-0.20	0.30-0.70	< 0.045	< 0.045	< 0.30	Q235	> 235	375-500	24-26
Q345	< 0.20	1.0-1.6	< 0.040	< 0.040	< 0.55	Q345	> 345	470-630	21-22
3)quality standard: IS: 3589 \| BS:1387 \| BS3601 \| DIN17175 \| DIN1626 \| DIN 2458 \| EN10217 \| \| ASTM A513 \| ASTM A135 \| ASTM A53 \| ASTM A252 \| SIS 1434-05 \| JIS-G3445 \| JIS-G3466 \| BS 6323 \| AS10704 \|

4) surface treatment: galvanized , oiled, painted , bare
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
8)certificate: SGS inspection
9)delivery time: usually in 20--30 days
10) payment term: T/T , L/C , Western Union

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	2.5-15.0	20*30	1.0-3.0	50*80	1.8-6.0	100*150	2.5-15.0
25*25	1.0-3.0	140*140	2.5-15.0	20*40	1.2-3.0	50*90	1.8-6.0	100*200	2.5-15.0
30*30	1.2-3.0	150*150	2.5-15.0	25*40	1.2-3.0	50*100	1.5-6.0	100*250	2.5-15.0
40*40	1.2-5.0	160*160	2.5-15.0	25*50	1.2-5.0	50*120	1.5-6.0	100*300	3.0-15.0
50*50	1.2-6.0	180*180	2.5-15.0	30*40	1.2-3.0	60*80	1.3-6.0	100*400	11.5-13.5
60*60	1.3-6.0	200*200	3.0-15.0	30*50	1.2-5.0	60*90	1.5-6.0	150*200	2.5-15.0
70*70	1.3-6.0	220*220	3.5-12.75	30*60	1.2-6.0	60*100	1.5-6.0	150*250	3.0-15
75*75	1.5-6.0	250*250	4.5-12.75	40*50	1.2-6.0	60*120	1.5-6.0	150*300	3.0-15
80*80	1.5-6.0	300*300	4.0-12.75	40*60	1.2-6.0	75*125	1.5-13.0	200*300	4.5-13.5
90*90	2.0-6.0	350*350	6.0-12.75	40*80	1.3-6.0	80*100	1.5-6.0	200*400	4.75-13.0
100*100	1.5-13.0	400*400	6.0-12.75	40*100	1.3-6.0	80*120	1.5-13.0	300*400	5.75-13.0
120*120	2.5-15.0			50*70	1.3-6.0	80*140	2.5-15.0	300*500	6.0-13.0
We are the manufacturer of steel pipe with many years experience.						80*160	2.5-15.0	400*600	6-13.0

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2.Company Introduction
Sino Metal Material Co., Ltd. is a professional manufacturer of steel pipes , 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 , please feel free to contact us, we would send in the info in time .

Place of Origin	Tianjin, China
Certification	API
Thickness	1, 15
Application	construction.mechanical part. furniture making
Surface Treatment	Galvanized
Technique	ERW
Standard
Alloy Or Not	Non-alloy
Grade
Outer Diameter	rectangular :2030--400600 mm , square: 2020--400400 mm
Secondary Or Not	Non-secondary
Special Pipe	API Pipe
Section Shape	Rectangular

Brand new Black iron building material square carbon steel pipe 20#

Product Features

mild steel square tube size

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