GI pipe,GI tube

3 125

 galvanized steel pipe (GI PIPE)

O.D. 21.5mm-219mm 
THICKNESS:0.8mm-15mm 
ZINC COATING: 80g/m2, 320g/m2, 600g/m2

Hot Dipped Galvanized Steel Pipe

O.D

O.D tolerance

W.T

Thickness Tolerance

20--219MM

±0.03

0.6--15MM

±0.02

Length

2--12M , according to customers' requirements

Zinc coating

80--600g/m2

International Standard

ISO 9001;2008

Standard

ASTM A53 / BS 1387-1985/API/JIS/DIN/EN/BS/GB

Material

Q195/Q215/Q235/Q345/SPHC/08AL/08F/HG5/DF08/Q195-Q345/M8

Product Category :

Metallurgy, Mineral & Energy

Technique:

High-frequency welded

Packing

Package: 1. in bundles 2.waterproof package 3.loose package 4. Seaworthy package at the end of pipes 4.according to customers' requirements

Usage

1.structural scaffolding pipes.  2.For low pressure liquid delivery such as water , gas and oil. 3.For construction , e.g building greenhouse

Main market:

Middle east, Africa, North and South America, East and West Europe, South and southeast Asia Australia

Place of Origin

China

HS code:

7306309000

Productivity

20000 Ton/Month

Processing technology available:

Threading , coupling and with plastic caps protected

Remarks

1) Payment term : T/T or L/C at sight

2) Trade Terms : FOB / CFR /CIF

3) Minimum quantity of order : 25 MT

4) Delivery period : 10 to 30 Days .

 GI PIPE 

Standards:ASTM A53 BS1378 GB/T3091-2001 
OD21.3-273.3 
Min Order:10MT 
FOB Price:US$500-850/ton

GI PIPE

 -Widely used for green house,fence,etc,structure

-Produced according international standard

-Satisfaction in min order

Description of GI PIPE

-constantly welded by ERW

-water standard

-clean surface with 40micron zinc thickness hot dipped

-portable packing

 Standard:BS,GB,ASTM

Thickness:0.75-8mm

OD:21.3-273.1mm

 min order:15mt

delivery time:to actual QTY

payment terms:L/C,T/T

  GI 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 ≤0.18%  Mn0.35~0.80 Si≤0.30 S≤0.040 P≤0.040

Q235D≤0.17%  Mn0.35~0.80 Si≤0.35 S≤0.040 P≤0.035

mechanical behavior-Q235:

tensile strength:σ/MPa 375-500

tensil strengtn(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

nominal size(inch) out diameter(mm) thickness(mm)
1/2"  21.3  0.8-2.8
3/4"  26.9  0.9-2.8
1"  33.7  1-3.2
11/4"  42.4  1-3.5
11/2"  48.3  1.5-3.5
2"  60.3  1.5-3.5
21/2"  76.1  1.5-3.75
3"  88.9  4
4"  114.3  4
5"  139.7  4
6"  168.3  4.5
8"  219.1

 4.0-6.0

 MATERIAL IN DIFFERENCE OF GI PIPE

GRADE

MECHANICAL PROPERTY

CHEMICAL COMPOSITION

Yield strength

Tensile strength

elongation

C

Si

Mn

S

P

MPa

Kg/mm2

MPa

Kg/mm2

min

 

 

 

 

 

Q215A

Q215B

215

22

335-410

34-42

31

0.09-0.15

0.03

0.25-0.55

0.05

0.045

0.045

Q235A

Q235B

Q235C

Q235D

235

24

375-460

38-47

26

0.14-0.22

0.12-0.20

≤0.18

≤0.17

0.30

0.30-0.65

0.30-0.70

0.35-0.80

0.35-0.80

0.50

0.45

0.40

0.035

0.045

0.045

0.040

0.035

16Mn(Q345B)

345

35

510-600

51.60

22

0.12-0.20

0.20-0.55

1.2-1.6

0.045

0.045

X42

289

29.5

413

42.1

 

0.28

 

1.25

0.03

0.03

X52

358

36.5

455

46.4

 

0.30

 

1.35

0.03

0.03

X56

386

39.4

489

49.9

 

0.26

 

1.35

0.03

0.03

X60

413

42.1

517

52.7

 

0.26

 

1.35

0.03

0.03

X65

448

45.7

530

54.0

 

0.26

 

1.40

0.03

0.03

X70

482

49.2

565

57.6

 

0.26

 

1.40

0.03

0.03

L245

245

 

415

 

21

0.26

 

1.15

0.03

0.03

L290

290

 

415

 

21

0.28

 

1.25

0.03

0.03

L360

360

 

460

 

19

0.3

 

1.25

0.03

0.03

 47

 

.

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Our company covers an area of 80, 000 m2 with a total assets of 90 million Yuan. There are 360 staff members including 80 technicians in our company. .

We also establish an effective complete quality control system. In 2003, our company obtained the certificate of ISO9001 Quality System Authentification!