Paramtents
Technique ERW
Grade 16Mn, ST35-ST52, Q195-Q345
Thickness 0.75 - 8 mm
Outer Diameter 21.3 - 273.1 mm
LIfe extend Over 20years
Application Fluid Pipe
Packging & Delivery
Min Order20 piece
Briefing
Detailed
galvanized pipe
-Widely used for green house,fence,etc,structure
-Produced according international standard
-Satisfaction in min order
Description of galvanized 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:10mt
delivery time:to actual QTY
payment terms:L/C,T/T
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 |
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