Detailed Product Description of  galvanized square 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:Hollow section

 

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.