Specifications

1Grade:ASTM A53,ASTM A500 JIS
2OD:6x6mm-500x500mm
3Material:Q195,Q215,Q235
4Capacity:600.000ton/year
5Certificate:ISO9001

 

PRODUCT DESCRIPTION

 

 

 

Black Square Tube/Hollow Section
Outdiameter	Wallthickness	Outdiameter	Wallthickness
mm	mm	mm	mm
12*12	0.4-1.5	120*120	4.0-8.0
16*16		150*150	6.0-10.0
18*18		180*180	6.0-12.0
20*20		200*200
25*25	0.6-2.0	220*220
30*30	0.6-4.0	250*250	6.0-14.0
35*35	1.0-4.0	280*280
38*38		300*300
40*40	1.0-4.5	320*320	8.0-14.0
45*45	1.0-5.0	350*350
50*50		380*380
60*60	1.5-5.0	400*400
70*70	2.0-6.0	420*420
75*75		450*450	10.0-14.0
80*80	2.0-8.0	480*480
100*100		500*500

 

 

DETAIL INFORMATION

 

Steel Grade: Q195-Q345, S235JR, S275JR, S355JR, S355J2H, STK400/500. 

Standard: BS1387-1985 , DIN EN10025 ,EN10219, JIS G3444:2004, GB/T3091-2001 ,ASTM A53: GR. A , GR. B, GR. C. 

Surface: hot dipped galvanized ,Pre-galvanized , electro galvanized ,painted, threaded ,beveled ,grooved , engraved .

Packing: Two tags on each bundle

Test:: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test. Third party inspection:SGS, BV, Lloyds etc.

 

 

COMPANY INFORMATION

 

 

Our company is a big state -owned company in Tianjin which was established of years of 1949,and our group, TEWOO GROUP CO.,LTD is one of the Fortune 500(416 brand) all over the world. We feel pretty pleasure to introduce ourselves as professional manufacturer of Galvanized steel coil, prepainted coil(PPGI), welded pipes, galvanized pipe,square tube and hollow section, and we also exporting seamless pipe, angle steel, flat bar, IPE Beam and so on. Owning to high quality, competitive price and good services, our products enjoy great reputation both at home and aboard. 

 

FAQ

 

 

 

1. Quality Assurance "Knowing our mills"

 

By employing strict Sourcing Practices and carrying our pre-shipment inspection for every order no matter how small, gives us a firm grasp on maintaining the quality of our products. Due to our Beijing location we regularly visit our cooperating Steel Mills in the north, keeping the quality in check.

 

2. On time delivery "No waiting around"

 

Due to the size of our company, which is heavily invested in, we are able to avoid cash flow problems and make quick payments to the mills, ensuring our customers' products are produced in good time and onboard within the time agreed upon in our contracts.

 

3. One stop shopping "Everything you need in one place"

 

By maintaining and continually improving our quality product range you're sure to find everything you need in one place. Backed up by our flexible and attractive payment terms you needn't shop anywhere else for Steel From China.

 

4. Flexible Payment Terms "Better options for you"

 

We are now able to accept a variety of payment term options including open account terms. Check our Flexible Payment Terms page to see the full list.

 

5. Price guarantee "Global market change won't affect your business"

 

For all our buyers, if the steel price drops significantly after T/T or L/C is established, we will share the extra benefit with the customer. 60% extra profit caused by price drop will be returned to our buyer