US $750.0020 - 20,000 ton
Paramtents
Standard GB,JIS,DIN,ASTM,EN,BS
Material Q195-Q345B
Place of origin TianJin,China
Packging & Delivery
Min Order20 ton
Briefing
Detailed
1.Product Description: structural steel square tube
electric-resistance-welded | |||||||||
item | Chemical composition max % | Item | mechanical property | ||||||
steel | C % | Mn % | S % | P % | Si % | steel | yield point Mpa | tensile strength Mpa | elongation % |
Grade A | 0.25 | 0.95 | 0.045 | 0.05 | -- | Grade A | 205 (min) | 330 (min) | 26-30 |
Grade B | 0.3 | 1.2 | 0.045 | 0.05 | -- | Grade B | 240 (min) | 415 (min) | 21-26 |
Quality Standard: ASTM A53 Standard Specification for Pipe, Black,and Hot-Dipped, Zinc-Coated, Welded and Seamless |
chemical requirement | | mechanical property | shaped structural tubing | |||||||||
Element | Composition. % | | Grade A | Grade B | Grade C | Grade D | ||||||
Grade A, B and D | Grade C | tensile strength,min, | psi | 45000 | 58000 | 62000 | 58000 | |||||
Heat | Product | Heat | Product | Mpa | 310 | 400 | 427 | 400 | ||||
yield strength, min, | psi | 33000 | 42000 | 46000 | 36000 | |||||||
C, max | 0.26 | 0.30 | 0.23 | 0.27 | Mpa | 228 | 290 | 317 | 250 | |||
Mn, max | … | … | 1.35 | 1.40 | elongation in 2in. (50.8mm),min % | 25 | 23 | 21 | 23 | |||
P, max | 0.035 | 0.045 | 0.035 | 0.045 | quality standard: ASTM A500 standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in | |||||||
S, max | 0.035 | 0.045 | 0.035 | 0.045 | ||||||||
Copper,(when specified) min | 0.20 | 0.18 | 0.20 | 0.18 | ||||||||
steel grade | mnimum yield strength Mpa | tensile strength Mpa | mnimum elongation | |||||||||||
specified thickness mm | specified thickness mm | specified thickness | ||||||||||||
steel name | steel number | < = 16 | 17 - 40 | 41 - 63 | 64 -80 | 81 - 100 | 101 - 120 | < = 3 | 4 - 100 | 101 - 120 | < = 40 | 41--63 | 64--100 | 101--120 |
S235JRH | 1.0039 | 235 | 225 | 215 | 215 | 215 | 195 | 360--510 | 360--510 | 350--500 | 26 | 25 | 24 | 22 |
S275JOH | 1.0149 | 275 | 265 | 355 | 245 | 235 | 225 | 430--580 | 410--560 | 400--540 | 23 | 22 | 21 | 19 |
S275J2H | 1.0138 | |||||||||||||
S355JOH | 1.0547 | 355 | 345 | 355 | 325 | 295 | 295 | 510--680 | 470--630 | 450--600 | 22 | 21 | 20 | 18 |
S355J2H | 1.0576 | |||||||||||||
S355K2H | 1.0512 |
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 structural steel square tube
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