Ngā Ngongo Rino Kore-Tuitui o JIS G 3454 STPG370 Whakaahua Matua

Ngā Ngongo Rino Kore-Tuitui o te Waro JIS G 3454 STPG370

Whakaahuatanga Poto:

Paerewa: JIS G 3454;
Taumata: STPG 370;
Tukanga: he hononga kore, he ERW rānei (whakarewa ātete hiko);
Rahi: 10.5mm - 660.4mm (6A - 650A) (1/8B - 26B);
Roa: ≥ 4 m, te roa ritenga rānei;
Ngā Ratonga: tapahi, tukatuka pito ngongo, pupuhi pupuhi, takai, paninga, me ētahi atu.
Whakahua: E tautokona ana te FOB, CFR me te CIF;
Utu: T/T,L/C;
Ngā Painga: Ngā kaihokohoko me ngā kaihokohoko paipa rino kore-tuitui mai i Haina.

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Taipitopito Hua

Ngā Tohu Hua

He aha te rauemi o te paipa STPG 370?

Ko te STPG 370 he paipa maitai waro-iti e tohua ana i roto i te paerewa Hapanihi JIS G 3454.

Ko te kaha kume iti rawa o te STPG 370 he 370 MPa, ā, ko te kaha whakaputa iti rawa he 215 MPa.

Ka taea te whakaputa i te STPG 370 hei ngongo maitai kore hononga, hei ngongo maitai whakarewa rānei mā te whakamahi i te tukanga whakarewa ātete hiko (ERW). He pai mō te whakamahi i roto i ngā pūnaha paipa pēhanga me ngā pāmahana whakahaere tae atu ki te 350°C.

Hei muri mai, ka tirohia te STPG 370 mai i ngā tukanga hanga, te hanganga matū, ngā āhuatanga miihini, ngā whakamātautau pēhanga waipū, ngā whakamātautau kore-whakangaro, me te paninga piauau.

Tukanga Hanga

Ka taea te hanga i te JIS G 3454 STPG 370 mā te whakamahi i tekore hononga or ERWte tukanga hanga, me ngā tikanga whakaoti e tika ana.

Tohu o te māka	Tohu o te tukanga hangahanga
	Te tukanga hanga paipa	Tikanga whakaoti
STPG370	Tuitui kore: S Ātete hiko whakarewa: E	Kua oti te wera: H Kua oti te whakamatao: C I te mea he ātete hiko kua whakapirihia: G

Tuitui koreka taea te wehewehe motuhake ki:

SHPaipa rino tui-kore kua oti te whakamahana;

SCPaipa rino tui-kore kua oti te whakamatao;

ERWka taea te wehewehe motuhake ki:

EHPaipa rino hiko ātete-whakarewa kua oti te whakawera;

ECPaipa rino hiko ātete-whakarewa, he mea whakarewa mātao;

EGNgā paipa rino ātete hiko i whakarewaina, ehara i te mea ko ngā paipa wera me ngā paipa matao.

Te Hanganga Matū

JIS G 3454e āhei ai te tāpiri i ngā huānga matū kāore i roto i te ripanga.

Tohu o te māka	C	Si	Mn	P	S
Tohu o te māka	mōrahi	mōrahi	—	mōrahi	mōrahi
JIS G 3454 STPG 370	0.25%	0.35%	0.30-0.90%	0.040 %	0.040%

He maitai waro-iti te STPG 370 ina tirohia tōna hanganga matū. Kua hangaia tōna hanganga matū kia taea ai te whakamahi i roto i ngā taiao kāore e neke ake i te 350°C, he kaha, he pakari, he ātete hoki ki te pāmahana teitei.

Ngā Āhuatanga Mīhini

Tohu o te taumata	Te kaha o te kume	Te pūwāhi hua, rānei te ahotea whakamātautau	Te whakaroa iti rawa, %
			Wāhanga whakamātautau kume
			Nama 11, Nama 12 rānei	Nama 5	Nama 4
	N/mm² (MPA)	N/mm² (MPA)	Te ahunga whakamātautau kume
	meneti	meneti	Whakarara ki te tuaka paipa	Poutū ki te tuaka paipa	Whakarara ki te tuaka paipa	Poutū ki te tuaka paipa
STPT370	370	215	30	25	28	23

Haunga te kaha kume, te kaha kume, me te roa kua whakahuatia i runga ake nei, he whakamātautau papatahi me te āheinga piko anō hoki.

Whakamātautau Whakapapatahi: Ina tae te tawhiti i waenganui i ngā pereti e rua ki te tawhiti kua tohua ko H, kaua he hapa, he kapiti rānei i te mata o te paipa maitai.

Āheitanga Piko: Me piko te paipa ki te 90° i te radius e 6 ngā wā o tōna whānui o waho. Me kore he hapa, he kapiti rānei i roto i te pakitara o te paipa.

Whakamātautau Waipūmau, Whakamātautau Kore-Whakangaro rānei

Ka whakamātauhia ia paipa rino ki te wai pūmau, ki te whakamātautau kore-whakangaro rānei, hei tirotiro mō ngā hapa e kore e kitea e te kanohi tahanga.

Whakamātautau Waipūmau

E ai ki te taumata kua whakaritea mō te matotoru o te pakitara o te paipa maitai, tīpakohia te pēhanga wai e tika ana, puritia mō te iti rawa 5 hēkona, kātahi ka tirohia mēnā kei te turuturu te paipa maitai.

Te matotoru o te pakitara ingoa	Tau o te hōtaka: Sch
Te matotoru o te pakitara ingoa	10	20	30	40	60	80
Te pēhanga whakamātautau waipēhi iti rawa, Mpa	2.0	3.5	5.0	6.0	9.0	12

Ka taea te tiro i te ripanga taumaha paipa maitai JIS G 3454 me te rārangi mahi paipa mā te pāwhiri i te hononga e whai ake nei:

· Tūtohi Taumaha Paipa Rino JIS G 3454

· hōtaka 10,wātaka 20,wātaka 30,wātaka 40,wātaka 60, mewātaka 80.

Whakamātautau Kore-Whakangaro

Mena ka whakamahia te tirotiro ultrasonic, me hangai ki tētahi paerewa pakari ake i te tohu akomanga UD i roto i te JIS G 0582.

Mena ka whakamahia te whakamātautau iahiko hurihuri, me hangai ki tētahi paerewa he tino pakari ake i te tohu akomanga EY i roto i te JIS G 0583.

Pirau

I roto i te JIS G 3454, ka kiia ngā paipa maitai kāore i paniangā paipa pangoā, e kiia ana ko ngā paipa maitai kua whakapūmautiangā paipa mā.

Paipa mā: paipa maitai piauau

Paipa pango: paipa maitai kore-pire

Ko te tukanga mō ngā paipa mā, ko te pupuhi, ko te whakapūkara rānei i ngā paipa pango kua tohua hei tango i ngā poke i te mata o te paipa rino, kātahi ka pania ki te konutea e tutuki ana i te paerewa JIS H 2107, arā, te taumata 1. Ko ētahi atu mahi ka mahia i runga anō i te paerewa JIS H 8641.

Ka tirohia ngā āhuatanga o te paninga konutea i runga anō i ngā whakaritenga o JIS H 0401, Tuhinga 6.

Mō Mātou

Mai i tōna whakatūnga i te tau 2014,Botop Steelkua noho hei kaiwhakarato matua o ngā paipa maitai waro i te Tai Tokerau o Haina, e mōhiotia ana mō te ratonga pai rawa atu, ngā hua kounga teitei, me ngā otinga whānui.

He maha ngā momo paipa rino waro me ngā hua e pā ana ki tēnei kamupene, tae atu ki ngā paipa rino kore-tuia, ERW, LSAW, me SSAW, me te whānuitanga katoa o ngā hononga paipa me ngā flanges. Kei roto hoki i āna hua motuhake ngā koranu kounga teitei me ngā rino kowiri tira austenitic, i hangaia kia tutuki ai ngā hiahia o ngā kaupapa paipa rerekē.