JIS G3444

JIS G3444

Kratki opis:

JIS G3444 Round  Steel Pipe Outside diameter(mm):21.7-1016.0 Wall Thickness(mm): 2.0-22 Length: 1m-12m or customized length Surface treatment: black, painting, galvanized, etc. Ends:plain or threaded both end with one end plastic cap one end coupling Packing: in bundle or wrapped with water-proof pvc cloth. Shipping.: bulk or load in containers. Payment: T / T, L / C, western union Applications: structure,water,gas and so on.   Table 1. Chemical Composition           Unit:% Symbol of ...


  • Porijeklo: Kina
  • Dostava: 20ft, 40ft, rasuti brod
  • Luka: Tianjin
  • Uvjeti plaćanja: L / C, T / T, Western Union
  • Pojedinosti o proizvodu

    Oznake proizvoda

    JIS G3444 Okrugli   čeličnih cijevi

    Vanjski promjer (mm): 21,7-1016,0

    Debljina stijenke (mm): 2,0-22

    Dužina: 1m-12m ili prilagoditi duljina

    Obrada površina: crna, slikanje, pocinčani, itd

    Završava: obični ili navojem oba kraja uz jedan kraj plastične kapice jedan kraj spojke

    Pakiranje: u paketu ili omotan s vodom dokaz pvc platna.

    Dostava .: skupno ili teret u kontejnerima.

    Plaćanja: T / T, L / C, Western Union

    Prijave: struktura, voda, plin i tako dalje.

     

    Tablica 1. Kemijski sastav

             

    Jedinica:%

    Simbol razred

    C

    Si

    Mn

    P

    S

    STK290

    -

    -

    -

    0.050 max.

    0.050 max.

    STK400

    0.25 max.

    -

    -

    0.040 max.

    0.040 max.

    STK490

    0,18 max.

    0,55 max.

    1,65 max.

    0,035 max.

    0,035 max.

    STK500

    0,24 max.

    0,35 max.

    0,30-1,30

    0.040 max.

    0.040 max.

    STK540

    0,23 max.

    0,55 max.

    1,50 max.

    0.040 max.

    0.040 max.

    Bilješke a) ako je potrebno, može se dodati elemente slitine, osim navedenih u ovoj tablici. b) Za cijev razreda STK540 do 12,5 mm, debljine stjenke, kemijski pripravak može biti predmet aggreement između kupca i proizvođača.                                                           

     

     

    Tablica 2. Mehanička svojstva

    Simbol razred

    Vlačna čvrstoća N / mm²

    Prinos točka tečenja N / mm²

    Vlačna čvrstoća u zoni za zavarivanje N / mm²

    Ravnanje

    savitljivosti

    Razmak između ploča (H)

    kut Bend

    unutar radijusa

    Primijenjena vanjski promjer

    Sve izvan promjera

    Sve izvan promjera

    Sve izvan promjera

    Sve izvan promjera

    50 mm max.

    STK290

    290 min.

    -

    290 min.

    2/3 D

    90 °

    6 D

    STK400

    400 min.

    235 min.

    400 min.

    2/3 D

    90 °

    6 D

    STK490

    490 min.

    315 min.

    490 min.

    7/8 D

    90 °

    6 D

    STK800

    500 min.

    355 min.

    500 min.

    7/8 D

    90 °

    6 D

    STK540

    540 min.

    390 min.

    540 min.

    7/8 D

    90 °

    6 D

    Napomena 1. D ove tablice je vanjski promjer cijevi. Napomena 2 1 Nmm² = 1MPa

     


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