N'ogbe Pre Galvanized Pipe Factories - JIS G3444 - ígwè ise

Nkọwa ngwaahịa

Ụlọ ọrụ ọkpọkọ nke dị tupu galvanized - JIS G3444 - Nkọwa ígwè ise:

JIS G3444GburugburuỌkụ ígwè

Dayameta dị n'èzí (mm): 21.7-1016.0

Ọkpụrụkpụ mgbidi (mm): 2.0-22

Ogologo: 1m-12m ma ọ bụ ahaziri ogologo

Ngwọta dị n'elu: nwa, eserese, galvanized, wdg.

Akwụsị: larịị ma ọ bụ eri na njedebe abụọ ahụ nwere okpu plastik otu njedebe otu njikọ njikọ

Nkwakọ ngwaahịa: na ngwugwu ma ọ bụ kechie ya na akwa pvc na-enweghị mmiri.

Mbupu: nnukwu ma ọ bụ ibu n'ime akpa.

Ịkwụ ụgwọ: T / T, L / C, Western Union

Ngwa: Ọdịdị, mmiri, gas na na.

Isiokwu 1. Chemical mejupụtara

					Nkeji:%
Akara ọkwa	C	Si	Mn	P	S
STK290	-	-	-	0.050 kacha.	0.050 kacha.
STK400	0.25 kacha.	-	-	0.040 kacha.	0.040 kacha.
STK490	0.18 kacha.	0.55 kacha.	1.65 kacha.	0.035 kacha.	0.035 kacha.
STK500	0.24 kacha.	0.35 kacha.	0.30 ruo 1.30	0.040 kacha.	0.040 kacha.
STK540	0.23 kacha.	0.55 kacha.	1.50 kacha.	0.040 kacha.	0.040 kacha.
Ihe edeturu a) Ọ bụrụ na ọ dị mkpa, enwere ike ịgbakwunye ihe ndị ọzọ na-abụghị nke akọwapụtara na tebụl a. b) N'ihi na tube nke ọkwa STK540 gafere 12.5 mm na mgbidi ọkpụrụkpụ, na chemical mejupụtara nwere ike ịbụ n'okpuru nkwekọrịta n'etiti zụrụ na emeputa.

Tebụl 2. Mechanical Properties

Akara ọkwa	Ike ntanye N/mm²	Ebe mpụta nke mgbakasị mgbaka N/mm²	Ike tensile na mpaghara weld N/mm²	Na-atọ ụtọ	Bendability
	Ike ntanye N/mm²	Ebe mpụta nke mgbakasị mgbaka N/mm²	Ike tensile na mpaghara weld N/mm²	Anya n'etiti efere (H)	Ehulata akụkụ	N'ime radius
	Etinyere n'èzí dayameta
	Dayameta niile dị n'èzí	Dayameta niile dị n'èzí	Dayameta niile dị n'èzí	Dayameta niile dị n'èzí	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
IHE 1 D nke tebụl a bụ n'èzí dayameta nke tubes. IHE 2 1 Nmm²=1MPa