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Modell: JIS G3466
Marke: ZU REICH
Verpakung: In sechseckigen Bündeln oder in Holzkiste
Produktivität: 10000tons per year
Transport: Ocean,Air
Ort Von Zukunft: China
Unterstützung über: 40000 Tons per year
Zertifikate : ISO9001 TS16949 EN10204.3.1
Hafen: Shanghai,Ningbo
Zahlungsart: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
Produktbeschreibung:
für allgemeine Struktur JIS G 3466 Formen geschweißter Vierkantrohre aus Kohlenstoffstahl
Standard JIS G 3466
Durchmesser 5-5 bis 420-420 mm
Wandstärke 0,5-50 mm
Länge 12m max
Anwendung: für allgemeine strukturelle Zwecke
Erzeugungsmethode:
1. Formen geschweißter Stahlrohre
2. Nahtlose Stahlrohre in Quadrat
3. Formen eines Stahlblechs in einer Spule in einen quadratischen Querschnitt oder in ein Paar Kanalabschnitte, gefolgt von einem kontinuierlichen elektrischen Widerstandsschweißen oder einem automatischen Lichtbogenschweißprozess.
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 |
Produktion stahlrohr:
Wirbelstromprüfung und Ultraschallprüfung:
Verpackung:
Produktgruppe : Profilstahlrohre
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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.