Tubes sans soudure galvanisées
Dip Process Galvanisation à chaud
Material Inspection (Steel Pipe) --- Hanging --- De-greasing --- Rinsing --- Pickling --- Washing --- Dipping Fluxing --- Hot Air Drying --- Inside and Outside Hot-dipped Galvanizing Blow
--- Cooling --- Passivation and Rising --- Unloading --- Inspection and Trimming --- Type Identification --- Packaging and Storing and Transportation
| Marchandise | Tubes sans soudure galvanisées |
|
OD |
~ 21.3mm 406.4mm |
|
épaisseur |
0.5mm ~ 20 mm |
|
longueur |
0.3mtr ~ 18mtr |
|
Matériel |
Q195—Grade B, SS330, SPC, S185Q215—Grade C,CS Type B, SS330, SPHCQ235---Grade D, SS400, S235JR, S235JO, S235J2Q345---SS500, ST52 |
|
la norme |
GB/T13793-1992,GB/T14291-2006, GB/T3091- 1993,GB/T3092-1993,GB3640-88BS1387/1985,ASTM A53/A36,EN39/EN10219,API 5L,GB/T9711.1-99 etc |
|
revêtement de zinc |
pre galvanized steel pipe: 60-150g/m2hot dipped galvanized steel pipe:200-400g/m2 |
|
application |
Widely used in Structure, Accessorize,Construction,Fluid transportation,machinery parts,the stressparts of the automobiletractor parts and so on |
|
Paquet |
1) Big OD: in bulk2) Small OD: packed by steel strips3) Plastic bags4) According to customer’s requirement |
|
avantage |
1. reasonable price with excellent quality2, abundant stock and prompt delivery3, rich supply and export experience, sincere service |
| Element Matériel |
Composition chimique% |
Propriété mécanique |
||||||
|
C% |
mn% |
S% |
P% |
Si% |
Seuil de rentabilité (Mpa) |
Résistance à la traction (Mpa) |
Élongation (%) |
|
|
Q195 |
0,06-0,12 |
0,25-0,50 |
<0,050 |
<0,045 |
<0,30 |
> 195 |
315-430 |
32-33 |
|
Q215 |
0,09 à 0,15 |
0,25 à 0,55 |
<0,05 |
<0,045 |
<0,30 |
> 215 |
335-450 |
26-31 |
|
Q235 |
0.12-0.20 |
0,30 à 0,70 |
<0,045 |
<0,045 |
<0,30 |
> 235 |
375-500 |
24-26 |
|
Q345 |
<0,20 |
1,0-1,6 |
<0,040 |
<0,040 |
<0,55 |
> 345 |
470-630 |
21-22 |
Dégraissage, décapage, nettoyage, galvanisation, passivation
