black annealing small size thin ms square hollow steel tube section with weight formula
black annealing small size thin ms square hollow steel tube section with weight formula 
Thick wall square & rectangular tube specification table
Name of product | Size | Wall thickness | Name of product | Size | Wall thickness |
Square tubes | 20*20 | 1.3-2.5 | Rectangular tubes | 20*30 | 1.3-2.75 |
25*25 | 1.3-2.75 | 20*40 | 1.3-2.75 | ||
30*30 | 1.3-2.75 | 25*40 | 1.3-2.75 | ||
40*40 | 1.3-3.75 | 30*50 | 1.3-4.75 | ||
50*50 | 1.3-5.75 | 30*60 | 1.3-4.75 | ||
60*60 | 1.3-5.75 | 40*50 | 1.3-4.75 | ||
70*70 | 1.3-5.75 | 40*80 | 1.3-4.75 | ||
80*80 | 1.3-5.75 | 50*70 | 1.3-4.75 | ||
90*90 | 1.3-5.75 | 50*80 | 1.3-4.75 | ||
100*100 | 1.5-12 | 60*90 | 1.3-4.75 | ||
120*120 | 2.5-12 | 50*100 | 1.3-5.75 | ||
140*140 | 2.75-16 | 50*150 | 1.3-5.75 | ||
150*150 | 2.75-16 | 60*160 | 1.3-5.75 | ||
160*160 | 3.0-16 | 100*150 | 2.5-16 | ||
180*180 | 3.0-16 | 100*200 | 2.5-16 | ||
200*200 | 3.0-16 | 100*250 | 2.5-16 | ||
250*250 | 4.75-20 | 150*300 | 4.5-16 | ||
300*300 | 4.75-20 | 200*300 | 5.5-20 | ||
400*400 | 4.75-20 | 200*400 | 5.5-20 | ||
500*500 | 4.75-20 | 400*600 | 5.5-20 |
MS square & rectangular tube specification table
Size | Wall thickness |
| Size | Wall thickness | |
Square tubes | 15*15 | 0.45—1.5 | Rectangular tubes | 10*20 | 0.45—1.5 |
14*20 | 0.45--1.5 | ||||
16*16 | 0.45--1.5 | 15*30 | 0.45--1.5 | ||
18*18 | 0.45--1.5 | 16*36 | 0.45--1.5 | ||
19*19 | 0.45--1.5 | 19*38 | 0.45--1.5 | ||
20*20 | 0.45--1.5 | 20*30 | 0.45--1.5 | ||
24*24 | 0.45--1.5 | 20*40 | 0.45--1.5 | ||
25*25 | 0.45--1.5 | 25*50 | 0.45--1.5 | ||
28*28 | 0.45--1.5 | 30*50 | 0.5--1.5 | ||
30*30 | 0.45--1.5 | 30*60 | 0.65—1.5 | ||
36.5*36.5 | 0.45--1.5 | 30*70 | 0.65—1.5 | ||
38*38 | 0.5—1.5 | 30*90 | 0.7—1.5 | ||
40*40 | 0.65—1.5 | 40*60 | 0.65--1.5 | ||
50*50 | 0.65—1.5 | 50*70 | 0.8--1.5 | ||
60*60 | 0.85—1.5 | 50*75 | 0.8--1.5 | ||
80*80 | 0.85--1.5 | 40*80 | 0.7--1.5 | ||
*** | *** | 50*100 | 0.8--1.5 | ||
*** | *** | 50*150 | 1.0—2.5 |
Product material and mechanical property
Material | Yield Point(Mpa) | Tensile Strength(Mpa) | Elongation (%) |
Q195=Grade B, SS330 SPHC,S185 | >195 | 315-430 | 32-33 |
Q215=Grade C/CS Type B, SS330 SPHC | >215 | 335-450 | 26-31 |
Q235=Grade D,SS400,S235 | >235 | 375-500 | 24-26 |
Q345=Grade 50/345,SPFC590,E/S335 | >345 | 470-630 | 21-22 |
The company has a variety of domestic and foreign materials produced different specifications square tube to meet all your needs.
The use of square pipe construction, machinery manufacturing, steel construction projects, shipbuilding, electrical engineering, car chassis, airports, road railings, housing construction.
Q: Can provide OEM/ODM service?
A: Yes. Please feel free to contact us for more details discuss.
Q: How is your Payment Term?
A:T/T in advance. Other payment term we can also discuss.
Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
Q:What is your advantage?
A:We are the 100% manufacturer ,could guarantee the price is first-hand.
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