ERW Steel Pipe JIS G3444
ERW Steel Pipe JIS G3444
ERW Steel Pipe JIS G3444

ERW Steel Yeeb Nkab JIS G3444

Qhov Japanese Industrial Standard no qhia txog cov pa roj carbon steel kav rau siv nyob rau hauv civil engineering, kev tsim kho, steel yees, scaffolding, pawg, braces, thiab lwm yam installation.

Xa kev nug

Tsham tam sim no

Khoom Taw qhia

Rau lub hauv paus steel pawg, tus qauv no tsuas yog siv rau welded steel kav nrog ib txoj kab uas hla sab nraud tsawg dua 318.5mm; rau cov khoom tiv thaiv av pov tseg, cov qauv no tsuas yog siv rau cov kav dej seamless steel thiab cov kav hlau welded nrog ib txoj kab uas hla sab nraud tsawg dua 318.5mm. Qhov loj me ntawm cov qauv no feem ntau yog 21.7 txog 1016.0mm nyob rau hauv txoj kab uas hla.

Khoom muag	JIS G 3444 ERW Structural Steel Pipe
Sab nraud txoj kab uas hla	ERW / HFW	LSAW / DSAW	SSAW / HSAW	RHS	SHS
	1/8 - 20 nti (10. {1}} hli)	12 - 56 nti (323.420 hli)	8 - 126 nti (219 1 - 3, 200 hli)	40 x 20 mm - 1, 000 x 800 mm	15 x 15 mm - 1, 000 × 1, 000 mm
Phab ntsa thickness	0 4 - 16 mm	6. 0 - 40 mm	6. 0 - 26 mm	1. 0 - 30 mm	0 6 - 30 mm
Ntev	5.8 ~ 12.0 m los yog raws li cov neeg siv khoom xav tau
Txuj	GB / T 3091, GB / T 13793, ASTM A252, ASTM A53, ASTM A500, EN 10210, EN 10219, API 5L, DIN 1626/1615, DIN 17120, thiab lwm yam.

Qib	SS400, Q235, Q345, Q460, A572 Gr.50, Gr.1/Gr.2/Gr.3, S235, S275, S355, Qib A/B, X42, X52, X60, X70, thiab lwm yam.

Nto	Prime zoo (bared, oiled, xim xim, 3LPE, los yog lwm yam kev kho mob los tiv thaiv corrosive)
Kev tshuaj xyuas	Nrog tshuaj lom neeg muaj pes tsawg leeg thiab cov cuab yeej siv tshuab ntsuas; Dimensional thiab Visual Inspection, kuj nrog Nondestructive Inspection.

Daim ntawv thov	qauv, hluav taws xob xa hluav taws xob ntauwd tej yaam num, piling, dej, roj & roj pipeline engineering, mechanical kev lag luam, tej yaam num hauv nroog, txoj kev thiab nws cov chaw pab, thiab lwm yam.

Ntim	Txheem export, nyob rau hauv bulk / bundles / nylon ntaub hnab nrog seaworthy packing; los yog raws li cov neeg siv khoom thov.

Lub sij hawm xa tuaj	1. 20-45 hnub tom qab tau txais qhov tso nyiaj lossis lees paub L/C 2. Nyob ntawm koj qhov kev txiav txim kom muaj nuj nqis

Cov nqe lus them nqi	1. T / T: 30% T / T ua ntej, 70% tshuav daim B / L 2. L / C: thaum pom 3. T / T thiab L / C: 30% T / T ua ntej, 70% L / C


Chaw nres nkoj	Tuam Tshoj qhov chaw nres nkoj loj

Tshuaj muaj pes tsawg leeg ntawm Jis G3444

Symbol ntawm Qib	C	Si	Mn	P	S
JIS G3444 STK 290	–	–	–	0.050max.	0.050max.
JIS G3444 STK 400	0.25 max.	–	–	0.040max.	0.040max.
JIS G3444 STK 490	0.18max.	0.55 max.	1.65 max.	0.035max.	0.035max.
JIS G3444 STK 500	0.24 max.	0.35max.	0.30 to 1.30 Nws	0.040max.	0.040max.
JIS G3444 STK 540	0.23max.	0.55 max.	1.50 max.	0.040max.	0.040max.
Nco tseg: 1. Yog tias tsim nyog, lwm cov ntsiab lus alloy tshaj cov uas tau muab rau hauv cov lus no tuaj yeem raug ntxiv. 2. Rau STK540, cov tshuaj muaj pes tsawg leeg ntawm cov hlab ntawm phab ntsa thickness tshaj 12.5 hli tuaj yeem pom zoo los ntawm tus neeg yuav khoom thiab cov chaw tsim khoom.

Mechanical Properties Ntawm Jis G3444

Symbol ntawm Qib	Tensile zog N / hli 2	Yield Point los yog Pov Thawj Kev Nyuaj Siab N / hli 2	Weld Tensile N / hli 2	Flattening Resistance Strength	Kho tau yooj yim
	Tensile zog N / hli 2		Weld Tensile N / hli 2	Qhov nrug nruab nrab ntawm cov phaj tiaj tiaj (H)	Bending Angle, a)	Hauv Radius
	Siv tau sab nraud
	Tag Nrho Sab Nraud	Tag Nrho Sab Nraud	Tag Nrho Sab Nraud	Tag Nrho Sab Nraud	50 mm los yog under
JIS G3444 STK 290	290 nqi.	–	290 nqi.	2/3D	90 degree	6D
JIS G3444 STK 400	400 min.	235 nqi.	400 min.	2/3D	90 degree	6D
JIS G3444 STK 490	490 nqi.	315 min.	490 nqi.	7/8D	90 degree	6D
JIS G3444 STK 500	500 min.	355 nqi.	500 min.	7/8D	90 degree	6D
JIS G3444 STK 540	540 nqi.	390 nqi.	540 nqi.	7/8D	90 degree	6D
CEEB TOOM 1 Hauv cov lus no, D sawv cev rau sab nraud ntawm lub raj. CEEB TOOM 2 1 N/mm 2=1 MPa Nco tseg a) Lub kaum sab xis yuav tsum ntsuas los ntawm qhov pib ntawm qhov khoov.