Q355 Hot Rolled Seamless Steel Pipe

Nkọwa dị mkpirikpi:

Q355 ígwè ọkpọkọ bụ a Chinese ala alloy elu ike structural ígwè ọkpọkọ, nke dochie Q345, ihe njupụta bụ 7.85 g / cm3.Dabere na GB/T 1591-2018, Q355 nwere ọkwa ogo 3: Q355B, Q355C na Q355D.

Q355 ígwè ọkpọkọ bụ obere alloy, elu-ike ígwè na-eji na welded owuwu na-akwado nrụgide na arọ ibu.Q na-ezo aka n'ókè mkpụrụ, ebe ọnụọgụ 355 na-egosi ike mkpụrụ ya.

Njirimara nke Q355 Steel Pipe

Q355 ígwè ọkpọkọ bụ a structural ígwè na a mkpụrụ ike nke 345 MPa na tensile ike nke 450 MPa.Ọ nwere arụmọrụ nhazi dị egwu na ike mkpakọ, nke enwere ike iji mepụta ụgbọ mmiri nrụgide gas dị elu nke nwere ihe na-erughị 500 lita.Q355 nwekwara mkpuchi nchebe nke nchara nchara.

Ojiji nke Q355 Steel Pipe

Q355 ígwè ọkpọkọ nwere magburu onwe n'ibu Njirimara, oké weldability, na nnukwu corrosion iguzogide.Enwere ike iji ya rụọ ọrụ na imepụta tankị nchekwa mmanụ ala, ụgbọ mmiri dị elu, igwe ọkụ, ụgbọ mmiri, ọdụ ọkụ na ọtụtụ akụkụ ndị ọzọ nwere nnukwu ibu.

Ogo: 34mm-610mm.

WT: 3.5mm-50 mm.

Ụdị: Gburugburu.

Ụdị mmepụta: Hot akpọrepu ma ọ bụ Hot emefu .

Ogologo: Single random ogologo / Ugboro abụọ random ogologo ma ọ bụ dị ka ahịa n'ezie arịrịọ max ogologo bụ 12m

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Nkọwa ngwaahịa

Mkpado ngwaahịa

Ngwakọta kemịkalụ(%)

Ọkwa ígwè	Ogo ogo	C% (≤)	Si% (≤)	Mn %(≤)	P%(≤)	S% (≤)	C% (≤)	Ni% (≤)	Cu %(≤)	N% (≤)
Q355	Q355B	0.24	0.55	1.6	0,035	0,035	0.3	0.3	0.4	0.012
	Q355C	0.2			0.03	0.03				0.012
	Q355D	0.2			0.025	0.025				-

Ihe eji arụ ọrụ

Ike Mpụta (≥N/mm2), Ọkpụrụkpụ ma ọ bụ Dia.(d) na mm
Ọkwa ígwè	Ogo Ọkwa	d≤16	16<d ≤40	40 <d ≤63	63 <d ≤ 80	80<d ≤ 100	100<d≤ 150	150 <d≤ 200	200 <d ≤ 250	250 <d ≤ 400
Q355	Q355B	355	345	335	325	315	295	285	275	-
	Q355C									-
	Q355D									265

Ike tensile (N/mm2), Dia.(d) mm
Ọkwa ígwè	Ogo Ọkwa	d≤100	100 <d ≤ 150	150 <d ≤ 250	250 <d ≤ 400
Q355	Q355B	470-630	450-600	450-600	-
	Q355C				-
	Q355D				450-600

Dia.(d) mm;Mgbatị (%)
Ntuziaka ntụle	d≤40	40 <d ≤ 63	63 <d ≤ 100	100 <d ≤ 150	150 <d≤ 200	250 <d ≤ 400
Kehoraizin	20	19	18	18	17	17
kwụ ọtọ	22	21	20	18	17	17

Nnwale mmetụta

Ogo	Okpomọkụ	Longitudinal Impact Energy (J), ≥	Ike ntụgharị mmetụta ntụgharị (J), ≥
Q355B	20 ℃	34	27
Q355C	0 ℃	34	27
Q355D	-20 ℃	34 (maka ọkpụrụkpụ ≥250mm)	27 (maka ọkpụrụkpụ ≥250mm)

Q355 Steel nha ọkwa ọkwa

China		ISO		European Union
Ọkọlọtọ	Ọkwa	Ọkọlọtọ	Ọkwa	Ọkọlọtọ	Ọkwa (nọmba ihe)
GB/T 1591-2018	Q355B	ISO 630-2	S355B	EN 10025-2	S355, S355JR (1.0045)
	Q355C		S355C		S355J0 (1.0553)
	Q355D		S355D		S355J2 (1.0577)

Na-agbanwe agbanwe

Mgbe emechara, a na-ebufe ngwongwo ndị ahụ site na igwe na-emezigharị rola asaa iji nweta ịgbatị tubes nke ọma.

Eddy ugbu a

Bido ịgbatị, a na-agafe tube ọ bụla site na igwe eddy ugbu a iji chọpụta maka mgbawa elu na ntụpọ ndị ọzọ.Naanị tubes ndị na-agafe eddy current dabara maka ibuga ndị ahịa.

Emecha

A na-etinye mmanụ ọ bụla na-eguzogide corrosion ma ọ bụ varnish maka nchebe elu na corrosion na-eguzogide dị ka ndị ahịa chọrọ, a na-ekpuchi njedebe tube ọ bụla site na mkpuchi njedebe plastik iji zere mmebi na mbufe, a na-etinye akara na nkọwapụta na ngwongwo dị njikere maka izipu. .

Ngwa

A na-etinye ọkpọkọ Q355 Hot Rolled Carbon steel enweghị nkebi na ngwaọrụ nuklia, nnyefe gas, petrochemical, ụlọ ọrụ ụgbọ mmiri na ụlọ ọrụ ji esi mmiri ọkụ, yana njirimara nke nguzogide corrosion dị elu jikọtara ya na akụrụngwa dabara adaba.

- Ngwa nuklia
- nnyefe gas
- ụlọ ọrụ Petrochemical
- Ụlọ ọrụ ụgbọ mmiri na ebe a na-esi mmiri ọkụ

Nke gara aga: DIN2391 ST52 oyi dọkpụrụ enweghị nkebi ígwè ọkpọkọ

Osote:DIN2391 ST45 oyi dọkpụrụ enweghị nkebi ígwè ọkpọkọ