JIS G3444

Short Description:

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 ...

Origin: China

Kutumiza: 20ft, 40ft, chochuluka chotengera

Port: Tianjin

Terms malipiro: L / C, T / T, kumadzulo wogwirizana

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mankhwala Mwatsatanetsatane

Tags mankhwala

JIS G3444 Round Zitsulo chitoliro

Kunja awiri (mm): 21.7-1016.0

Wall makulidwe (mm): 2.0-22

Utali: 1m-12m kapena kutalika makonda

Pamwamba mankhwala: wakuda, kupenta, kanasonkhezereka, etc.

Itha: kumveka kapena yamazinga imathera ndi chimodzi mapeto pulasitiki kapu imodzi kumapeto lumikiza

Wazolongedza: mu mtolo kapena atakulungidwa ndi nsalu PVC madzi umboni.

Kutumiza .: zambiri kapena katundu mu muli.

Malipiro: T / T, L / C, kumadzulo wogwirizana

Mapulogalamu: kapangidwe, madzi, mpweya ndi zina zotero.

Table 1. mipweya

					Unit:%
Chizindikiro cha kalasi	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 kuti 1,30	0,040 Max.	0,040 Max.
STK540	0,23 Max.	0,55 Max.	1,50 Max.	0,040 Max.	0,040 Max.
Buku a) Ngati ndi kotheka, alloying zinthu zina kuposa zafotokozeredwa tebulo mwina zidzawonjezedwa. b) Kuti chubu cha kalasi STK540 choposa 12,5 mm khoma makulidwe, mipweya zikhoza kukhala ndi aggreement pakati wogula ndi Mlengi.

Table 2. Mawotchi Katundu

Chizindikiro cha kalasi	Kwamakokedwe mphamvu N / mm²	Zokolola kufika umboni nkhawa N / mm²	Kwamakokedwe mphamvu china chotulutsa zone N / mm²	Flattening	Bendability
	Kwamakokedwe mphamvu N / mm²	Zokolola kufika umboni nkhawa N / mm²	Kwamakokedwe mphamvu china chotulutsa zone N / mm²	Distance pakati pa mbale (H)	Bend ngodya	utali wozungulira mkati
	Ntchito kunja m'mimba mwake
	Onse diameters kunja	Onse diameters kunja	Onse diameters kunja	Onse diameters kunja	50 mm Max.
STK290	Mph 290.	-	Mph 290.	2/3 D	90 °	6 D
STK400	Mph 400.	Mph 235.	Mph 400.	2/3 D	90 °	6 D
STK490	Mph 490.	Mph 315.	Mph 490.	7/8 D	90 °	6 D
STK800	Mph 500.	Mph 355.	Mph 500.	7/8 D	90 °	6 D
STK540	Mph 540.	Mph 390.	Mph 540.	7/8 D	90 °	6 D
NOTE 1 D wa tebulo ndi kunja m'mimba mwake wa machubu. NOTE 2 1 Nmm² = 1MPa