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Modello: JIS G3466
marchio: Torich
Pacchetto: In bundle o in scatole di wwoden
produttività: 50000 tons per year
Trasporti: Ocean,Land,Air
Luogo di origine: Cina
Supportare: 50000 tons per year
Certificati : ISO 9001 TS16949 ISO14001
Codice SA: 7304399000
Porta: Shanghai,Shanghai,Shanghai
Tipo di pagamento: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB
Standard pertinente: KS D 3568 ASTM A500 BS EN 10025
Tubi quadrati e rettangolari in acciaio al carbonio quadrati per scopi strutturali
Metodo di produzione: saldatura ad arco ERW Seamless
CHEMICAL COMPOSITION % max |
|||||
Steel grade |
C |
Si |
Mn |
P |
S |
STKR 400 |
0.25 |
- |
- |
0.04 |
0.04 |
STKR 490 |
0.18 |
0.55 |
1.5 |
0.04 |
0.04 |
MECHANICAL PROPERTIES min |
||||
Steel grade |
Tensile strength Mpa |
Yeild point or proof stress Mpa |
Elongation % |
|
STKR 400 |
400 |
245 |
23 |
|
STKR 490 |
490 |
325 |
23 |
Dimensional tolerance |
||
Specified item and dimension |
Dimensional tolerance |
|
length of side |
100mm or under |
±1.5mm |
over 100mm |
±1.5% |
|
Unvenness of flat plate portions |
side length 100mm or under |
0.5mm max |
side length over 100mm |
within 0.5% of side length |
|
Angularity made by adjacent flat plate portions
|
±1.5° |
|
Dimension at corner:s |
3t max |
|
Length |
+ not specified 0 |
|
Un-straightness |
Within 0.3% |
|
Wall thickness :t |
Square steel tube manufacture by welding |
under 3 mm ±0.3mm |
Seamless square steel tube |
under 4mm ±0.6mm |
Altro: Torich JIS G3444 3466 Standard STK400 STKR 400 STKR490 Tubo quadrato in acciaio 20x20x2 utilizzato come gamba del tavolo Quadrato e rettangolo Peso:
W = 0,0157t (A + B-3,287t)
Rivestimento: zincatura a caldo
Zincatura elettrolitica
Rivestito in alluminio per immersione a caldo
Rivestimento in lega di alluminio zincato a caldo al 5%
Rivestimento in lega di alluminio 55% per immersione a caldo
Fine: semplice o affascinante
Elenco prodotti : Tubi d'acciaio di profilo
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.