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Hollow Section
- FOB Price
US $900.0020 - 40,000 metric ton
US $500.0040,001 - 999,999 metric ton
- group name
- black annealing steel pipe
- Min Order
- 20 metric ton
- brand name
- TYTSTEEL
- model
- 20mm*20mm-400mm*400mm
- Nearest port for product export
- TIANJIN XINGANG PORT, QINGDAO PORT, SHANGHAI PORT, NINGBO PORT
- Delivery clauses under the trade mode
- FOB, CFR, CIF, EXW, CIP, CPT, DDP, DDU
- Acceptable payment methods
- T/T, L/C, D/P D/A, MoneyGram, Credit Card, Westem Union, Escrow
- update time
- Tue, 22 Apr 2014 14:57:41 GMT
Paramtents
Standard GB
Standard GB/T 3091-2001
Grade Q195-Q345
Grade Q235, Q345, Q195, Q215
Thickness 0.7 - 13.5 mm
Section Shape Square
Outer Diameter 20mm-400mm
Secondary Or Not Non-secondary
Application Structure Pipe
Technique ERW
Certification ISO9001-2000
Surface Treatment coating,painting,galvanized
Alloy Or Not Non-alloy
Technique Welded
Specification 20mm*20mm-400mm*400mm
Usage furniture making, scaffolding,structure,etc.
Length 6-12m
Packging & Delivery
-
Min Order20 metric ton
Briefing
1)Cold Rolled Annealing Steel Pipe
2).Grade:Q195/Q215/Q235/Q345
3).Size:20x20m-400x400mm
5)FOB:$600-900/mt
Detailed
square tube /square steel pipe
1) Length: 6-12m
2).Grade:Q195/Q215/Q235/Q345
3).Size(dia.): 20mm*20mm-400x400mm
4).Thickness: 0.7mm-13mm
Pipes can be made to order
O.D.(mm) | W.T.(mm) | O.D.(mm) | W.T.(mm) |
20*20 | 1.3-3.0 | 125*125 | 2.5-9.0 |
25*25 | 1.3-3.0 | 130*130 | 2.5-13 |
30*30 | 1.3-3.0 | 140*140 | 2.5-13 |
40*40 | 1.4-3.75 | 150*150 | 2.5-13 |
50*50 | 1.4-6.0 | 160*160 | 2.5-13 |
60*60 | 1.5-5.0 | 180*180 | 2.5-13 |
70*70 | 1.7-4.75 | 200*200 | 2.5-13 |
75*75 | 1.5-5.75 | 250*250 | 4.75-13 |
80*80 | 1.5-5.75 | 300*300 | 5.75-13 |
90*90 | 2.0-8.0 | 350*350 | 6.0-13 |
100*100 | 2.0-4.75 | 400*400 | 6.0-13 |
120*120 | 2.5-4.75 | ---------- | ------------ |
square tube /square steel pipe
chemical composition-Q235
Q235 made by grade A\B\C\D(GB700-88)
Q235A C0.14~0.22% Mn0.30~0.65 Si≤0.30 S≤0.050 P≤0.045
Q235B C0.12~0.20% Mn0.30~0.670 Si≤0.30 S≤0.045 P≤0.045
Q235C C≤0.18% Mn0.35~0.80 Si≤0.30 S≤0.040 P≤0.040
Q235D C≤0.17% Mn0.35~0.80 Si≤0.35 S≤0.040 P≤0.035
mechanical behavior-Q235:
tensile strength: σb/MPa 375-500
tensil stretch(δ5/%):
>26 (a<16mm), >25 (a>16-40mm)
>24 (a>40-60mm), >23 (a>60-100mm)
>22 (a>100-150mm), >21 (a>150mm)
a=wt or diameter
