Zincato tubi senza saldatura
Processo di zincatura
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
| merce | Zincato tubi senza saldatura |
|
OD |
21,3 millimetri ~ 406,4 millimetri |
|
spessore |
0,5 millimetri ~ 20 millimetri |
|
lunghezza |
0.3mtr ~ 18mtr |
|
Materiale |
Q195—Grade B, SS330, SPC, S185Q215—Grade C,CS Type B, SS330, SPHCQ235---Grade D, SS400, S235JR, S235JO, S235J2Q345---SS500, ST52 |
|
Standard |
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 |
|
zincatura |
pre galvanized steel pipe: 60-150g/m2hot dipped galvanized steel pipe:200-400g/m2 |
|
applicazione |
Widely used in Structure, Accessorize,Construction,Fluid transportation,machinery parts,the stressparts of the automobiletractor parts and so on |
|
Pacchetto |
1) Big OD: in bulk2) Small OD: packed by steel strips3) Plastic bags4) According to customer’s requirement |
|
vantaggio |
1. reasonable price with excellent quality2, abundant stock and prompt delivery3, rich supply and export experience, sincere service |
| Element Materiale |
Composizione chimica% |
Proprietà meccanica |
||||||
|
C% |
Mn% |
S% |
P% |
Si% |
resa Point (Mpa) |
Resistenza alla trazione (Mpa) |
Allungamento (%) |
|
|
Q195 |
,06-,12 |
0,25-0,50 |
<0.050 |
<0,045 |
<0.30 |
> 195 |
315-430 |
32-33 |
|
Q215 |
0,09-0,15 |
,25-0,55 |
<0.05 |
<0,045 |
<0.30 |
> 215 |
335-450 |
26-31 |
|
Q235 |
0.12-0.20 |
0,30-0,70 |
<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 |
Sgrassaggio, decapaggio, pulizia, zincatura, passivazione
