20 - 40,000 metric ton
40,001 - 999,999 metric ton
group nameblack annealing steel pipe
Min Order20 metric ton
brand nameTYTSTEEL
payment methodT/T, L/C, D/P D/A, MoneyGram, Credit Card, Westem Union, Escrow
update timeTue, 22 Apr 2014 14:55:03 GMT
Standard GB
Standard GB/T 3091-2001
Grade Q195-Q345
Grade Q235, Q345, Q195, Q215
Thickness 0.7 - 13.5 mm
Section Shape square and rectangular
Secondary Or Not Non-secondary
Application Structure Pipe
Technique ERW
Certification ISO9001-2000
Surface Treatment Galvanized
Alloy Or Not Non-alloy
Brand name TYSTEEL
Demension standard GB/T3091-2001,ASTM A500,G3457,ST33
Material standard GB700-88,DIN17100
Lenth 4.5m-13.5m
usage water,gas,scaffolding,fencing
technique hot rolled or cold rolled
color bright or black
Min Order20 metric ton
Square Steel Pipe
-life estimated:over 10 years
-package:seaworthy
-tolerance:wt+/-0.2mm
-good performance for bending
Detailed Product Description of Square Steel Pipe
1)outer diameter:20*20-400*400mm
2)thickness:0.5-13.5mm
3)certification:ISO9001-2000
4) estimated:over 10 years
5)package:seaworthy
6)min order quantity:10 metric ton/metric tons
7)port:tianjin xingang port
8)packing details:in bundle
9)delivery time:to your order
10)payment terms:L/C,T/T
11)wt+/-0.2mm
12)surface:oiled or black painted to prevent rust
13)payment:30% deposit before delivery,balance beforce shipment.we will consider L/C,if asked
14))we can produce other specifications according to customers'requirements
OD(mm) | WT(mm) | OD(mm) | WY(mm) |
20*20 | 0.7-3.0 | 125*125 | 2.5-9.0 |
25*25 | 0.7-3.0 | 130*130 | 2.5-13.5 |
30*30 | 0.7-3.0 | 140*140 | 2.5-13.5 |
40*40 | 0.8-3.75 | 150*150 | 2.5-13.5 |
50*50 | 0.8-6.0 | 160*160 | 2.5-13.5 |
60*60 | 1.5-5.0 | 180*180 | 2.5-13.5 |
70*70 | 1.7-4.75 | 200*200 | 2.5-13.5 |
75*75 | 1.5-5.75 | 250*250 | 4.75-13.5 |
80*80 | 0.8-5.75 | 300*300 | 5.75-13.5 |
90*90 | 2.0-8.0 | 350*350 | 6.0-13.5 |
100*100 | 2.0-4.75 | 400*400 | 6.0-13.5 |
120*120 | 2.5-4.75 |
chemical composition:Square Steel Pipe
Q235 made by grade A/B/C/D(GB700-88)
Q235A C 0.14~0.22% Mn 0.30~0.65 Si≤0.30 S≤0.050 P≤0.045
Q235B C 0.12~0.20% Mn 0.30~0.67 Si≤0.30 S≤0.045 P≤0.045
Q235C C≤0.18% Mn 0.35~0.80 Si≤0.30 S≤0.040 P≤0.040
Q235D C≤0.17% Mn 0.35~0.80 Si≤0.35 S≤0.040 P≤0.035
mechanical behavior-Q235:
tensile strengh:σb/mpa 375-500
tensile 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
A newly established steel pipe manufacture is seeking for global cooperation.With strong technical force and production capacity,we are confident to provide you the most competitive price and satisfying after-sale service.
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