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Modelo: JIS G3466
Marca: Enriquecer
Paquete: En paquetes o en cajas de madera
productividad: 50000 tons per year
transporte: Ocean,Land,Air
Lugar de origen: China
Apoyo sobre: 50000 tons per year
Certificados : ISO 9001 TS16949 ISO14001
HS-Code: 7304399000
Hafen: Shanghai,Shanghai,Shanghai
Tipo de Pago: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB
Norma pertinente: KS D 3568 ASTM A500 BS EN 10025
Tubos cuadrados y rectangulares de acero al carbono para uso estructural
Método de producción: soldadura ERW ARC 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 |
Más: Torich JIS G3444 3466 Estándar STK400 STKR 400 STKR490 Tubo de acero cuadrado 20x20x2 utilizado como pata de mesa Cuadrado y rectángulo Peso:
Ancho = 0.0157t (A + B-3.287t)
Recubrimiento: Recubrimiento de zinc por inmersión en caliente
Recubrimiento de zinc electrolítico
Revestimiento de aluminio por inmersión en caliente
Recubierto de aleación de zinc-5% de aluminio por inmersión en caliente
Revestimiento de aleación de aluminio al 55% en caliente
Final: sencillo o encantador
PRODUCTOS POR GRUPO : Tubos de acero de perfil
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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.