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Alakaʻi Koho Mea Hana Ipu Slag: ZG270-500, GS-20Mn5 a i ʻole ASTM A27 - ʻO wai ka mea kūpono i kāu wili kila? Kiʻi i hōʻike ʻia
  • Alakaʻi Koho Mea Hana no ka Ipu Slag: ZG270-500, GS-20Mn5 a i ʻole ASTM A27 – ʻO wai ka mea kūpono i kāu Mill Steel?

Alakaʻi Koho Mea Hana no ka Ipu Slag: ZG270-500, GS-20Mn5 a i ʻole ASTM A27 – ʻO wai ka mea kūpono i kāu Mill Steel?

Wehewehe Pōkole:

He aha ka mea maikaʻi loa no kāu ipu hao?Hoʻohālikelike kēia alakaʻi i nā māka ʻekolu maʻamau -ZG270-500 (kūlana Kina), GS-20Mn5 (DIN), a me ASTM A27 60-30 (kūlana USA)- ma muli o ka ʻikepili wili maoli. Uhi mākou i ka haku mele kemika, nā waiwai mechanical, ke kūpaʻa i ka luhi wela, ka paʻakikī o ka mahana haʻahaʻa, ke kumukūʻai, a me ke ola lawelawe maʻamau. ʻAʻohe koi kūʻai aku; ʻōlelo aʻoaʻo kūpono wale nō e kōkua iā ʻoe e hoʻoholo i ka papa e kūpono i kāu ʻano umu, ke aniau, a me ka waihona kālā.


Nā kikoʻī huahana

Nā kikoʻī huahana

Nā Lepili Huahana

No ke aha i loaʻa ai kēia alakaʻi (a no ke aha ʻoe e mālama ai)

Inā ua kūʻai ʻoe i kahi ipu hao, ʻike ʻoe i ke kaʻina hana: hoʻouna nā mea hoʻolako iā ʻoe i kahi ʻōlelo me kahi papa mea, malia paha he pepa ʻikepili hoʻokahi ʻaoʻao, a me kahi ʻōlelo hoʻohiki "ʻo kēia ka papa maikaʻi loa no kāu umu." Akā i ka wā e haki ai ka ipu ma hope o 18 mau mahina, ʻōlelo ka mea hoʻolako like, "ua koʻikoʻi loa kāu mau kūlana hana."

Ua kākau mākou i kēia alakaʻi no ka mea ʻike mākou i ka huikau i kēlā me kēia lā. Ke nīnau mai nei nā luna o ka hale wili iā mākou:

● He aha ka ʻokoʻa maoli ma waena o ZG270-500 a me GS-20Mn5?

● No ke aha i emi ai ke kumukūʻai o ka ASTM A27 60-30 akā he haʻahaʻa ka ikaika o ka hua?

● Hiki iaʻu ke hoʻohana i ka mea like no nā ipu hao EAF a me BOF?

Hāʻawi kēia alakaʻi iā ʻoe i nā pane pololei - ʻaʻohe fluff marketing, ʻaʻohe papahana huna. E hoʻohālikelike mākou i nā mea hana ipu slag ʻekolu maʻamau i ke poʻo a i ke poʻo, e haʻi iā ʻoe i kahi e hana maikaʻi ai kēlā me kēia, a me kahi i hāʻule ai.

*Hōʻole: Hoʻokumu ʻia kēia ma luna o ka ʻike hoʻolei ʻana o Womic Steel he 20+ mau makahiki a me nā manaʻo mai nā hale hana kila he 200 a puni ka honua. Hiki ke ʻokoʻa kāu mau kūlana hana kikoʻī.*

Nā Mea Hoʻokūkū ʻEkolu - ʻIkepili

Papa Kūlana Maʻamau Hoʻohana maʻamau i nā ipu Slag Kuhikuhi Kumukūʻai Kokoke
ZG270-500 GB/T 11352 (Kina) Kumu maʻamau, nā aniau mālie 1.0 (kumukūʻai)
GS-20Mn5 DIN 17182 (Kelemānia) Haʻalulu wela kiʻekiʻe, mahana haʻahaʻa 1.4 – 1.6
ASTM A27 60-30 ASTM (ʻAmelika Hui Pū ʻIa) ʻO ke kuleana haʻahaʻa a kaulike, nā papahana US 1.1 – 1.2

ZG270-500ʻo ia ka lio hana o nā hale hana hao Kina. He mea kūʻai ʻole ia, maʻalahi ke hoʻolei, a hana pono i nā hale wili kila he nui - ʻoi aku hoʻi ma nā wahi mehana me nā hana paʻa.

GS-20Mn5ʻo ia ke koho premium no nā noi koi: ka holo paikikala pinepine, nā aniau anuanu, a kahi e pono ai ka hōʻoia i nā kūlana ʻEulopa. ʻAʻole wale ke kemika - ʻoi aku ka paʻakikī o ke kaʻina hana mālama wela.

ASTM A27 60-30ʻo ia ke kūlana ʻAmelika e like me ZG270-500 akā me nā koi hoʻāʻo ʻokoʻa. Hoʻākāka pinepine ʻia no nā papahana i kālā ʻia e nā ʻoihana US a i ʻole ke ʻAmelika ka ʻoihana ʻenekinia.

Ka Hoʻohui Kemika - Nā Helu Maoli

E waiho kākou i nā inoa kūʻai aku a nānā i ka loiloi ladle maoli. He mau pae maʻamau kēia no ka hana ʻana i ka ipu slag (ʻaʻole ka palena iki/kiʻekiʻe loa no kēlā me kēia maʻamau - ua hoʻopaʻa mākou iā lākou no ka hana maikaʻi).

ʻElemene ZG270-500 (Maʻamau) GS-20Mn5 (Maʻamau) ASTM A27 60-30 (Maʻamau)
Kalapona (C) 0.30 – 0.37% 0.18 – 0.23% 0.28 – 0.32%
Silika (Si) 0.30 – 0.50% 0.30 – 0.50% 0.30 – 0.60%
Manganese (Mn) 1.10 – 1.40% 1.00 – 1.50% 0.90 – 1.20%
ʻO ka phosphorus (P) ≤0.030% (manaʻo mākou he 0.020) ≤0.020% ≤0.040%
Sulfur (S) ≤0.030% (manaʻo mākou he 0.020) ≤0.020% ≤0.040%
Chromium (Cr) ʻAʻole i kuhikuhi ʻia ≤0.30% ʻAʻole i kuhikuhi ʻia
Nikala (Ni) ʻAʻole i kuhikuhi ʻia ≤0.40% ʻAʻole i kuhikuhi ʻia
Molibdenum (Mo) ʻAʻole i kuhikuhi ʻia ≤0.10% ʻAʻole i kuhikuhi ʻia

ʻO ke ʻano o kēia ma ke ola maoli:

●Ka haʻahaʻa o ke kalapona ma GS-20Mn5(0.18-0.23%) ʻo ia hoʻi ka hiki ke hoʻopili ʻia a me ka paʻakikī kiʻekiʻe, ʻoi aku hoʻi i nā mahana haʻahaʻa. Hoʻemi pū ia i ka pilikia o ka haki ʻana o ka hydrogen.

●ʻOi aku ka paʻa o ka P a me ka Sma GS-20Mn5 e hōʻemi i ka haehae wela a hoʻomaikaʻi i ka ductility. He mea nui kēia ke hoʻomehana pinepine ʻia a hoʻomaʻalili ʻia kāu ipu slag - ʻo ka haʻahaʻa o nā haumia ke ʻano o ke ola lōʻihi.

●ʻAʻohe Cr/Ni/Mo i kuhikuhi ʻiama ZG270-500 a me ASTM A27 ʻo ia hoʻi hiki i ka hale hana hao ke hoʻohana i ke kila kalapona maʻemaʻe me ka ʻole o nā mea hoʻohuihui. He maikaʻi kēlā no nā kūlana akahai, akā ʻaʻole no ke kūpaʻa ʻana i ka luhi wela.

Pehea e hoʻolōʻihi ai i ke ola lawelawe ʻana o ka ipuhao Slag Alakaʻi mālama, nānā a me ka hoʻoponopono

Pehea e hoʻoholo ai

E hahai i nā nīnau ma ke kaʻina. Ma muli o kāu mau pane, koho i nā mea i manaʻo ʻia.

KaʻAnuʻu Hana 1: Ke hana nei kāu hale hana ma lalo o 0°C no nā mahina ʻelua i kēlā me kēia makahiki?

ʻAE→ E hele i ka Hana 2

NO→ E hele i ka Hana 3.

KaʻAnuʻu Hana 2 (no nā wahi mahana haʻahaʻa): Pono ʻoe i ka palapala hōʻoia ʻEulopa (PED / EN 10204 3.2)?

ʻAE→ KohoGS-20Mn5(me ka hoʻāʻo hopena -20°C ≥27J).

NO→ KohoZG310-570(kahi papa Kina paʻakikī) a i ʻoleGS-20Mn5(inā ʻae ka waihona kālā).

*ʻO ZG310-570 kahi mana i hoʻonui ʻia o ZG270-500 me ka ikaika kiʻekiʻe a me ke kūpaʻa ʻoi aku ka maikaʻi o ka luhi wela.*

KaʻAnuʻu Hana 3 (no ka mahana haʻahaʻa maʻamau a i ʻole kekahi manawa): Loaʻa i kāu ipu slag ma mua o 10 mau pōʻaiapuni thermal i kēlā me kēia lā (e laʻa, EAF a i ʻole ka hoʻomaʻemaʻe pinepine ʻana o LF)?

ʻAE→ KohoGS-20Mn5(hoʻomaikaʻi ʻia ke ola luhi wela).

NO→ E hele i ka Hana 4.

KaʻAnuʻu Hana 4 (no nā kūlana haʻahaʻa, akahai): Aia kāu papahana ma USA a i kālā ʻia e nā ʻoihana US?

ʻAE→ KohoASTM A27 60-30(kū i nā kūlana o ʻAmelika Hui Pū ʻIa).

NO→ KohoZG270-500(ʻoi aku ke kumukūʻai kūpono, waiwai maikaʻi loa).

Papa Hōʻuluʻulu Manaʻo

Kūlana Hana Mea i Manaʻo ʻia
Haʻahaʻa ka mahana + pono ka palapala hōʻoia ʻEulopa GS-20Mn5 (me ka hopena -20°C)
Haʻahaʻa ka mahana + ʻaʻohe palapala hōʻoia ʻEulopa ZG310-570 a i ʻole GS-20Mn5
Ka hoʻololi wela kiʻekiʻe (>10 wela/lā) GS-20Mn5
Papahana US a i ʻole kālā ʻia e US ASTM A27 60-30
Mahana mālie, nā pōʻaiapuni haʻahaʻa, papahana ʻaʻole no US ZG270-500 (ʻoi aku ka hoʻokele waiwai)
ʻO ka ipuhao Slag 20-50 Ton Medium Capacity Slag Ladle no ka hana kila EAF & LF - Womic Steel

Nā Waiwai Mekanika - Ka Mea āu e Loaʻa ai ma ka Pepa vs. Ka Mea āu e Loaʻa ai ma ka Wīla

Waiwai ZG270-500 GS-20Mn5 ASTM A27 60-30
Ikaika Hāʻawi (min, MPa) 270 300 207
Ikaika Tensile (min, MPa) 500 480-630 414
Hoʻolōʻihi (min, %) 18 22 24
Paʻakikī o ka hopena (Charpy V) ʻAʻole koi ʻia (hoʻāʻo mākou ma 20°C) 27J ma -20°C maʻamau 20J ma 20°C maʻamau
Ka Mahana Hana Loa (hoʻomau) ~600°C ~650°C ~600°C
Ke kū'ē ʻana i ka luhi wela Kahua kumu ~40% ʻoi aku ka maikaʻi Kahua kumu +

I kēia manawa, e wehewehe kākou i kēia papa no kāu hana o kēlā me kēia lā:

●Ikaika hāʻawi– ʻOi aku ka kiʻekiʻe o ka huahua o GS-20Mn5 (300 vs 270 MPa), no laila ke kūʻē nei ia i ka deformation ma lalo o nā ukana slag kaumaha. ʻIke ʻia kēia ke hoʻouka nui ʻoe i ka ipuhao a i ʻole ke ʻano ʻino o ka mea hoʻokele crane.

●Hoʻolōʻihi– ʻOi aku ka kiʻekiʻe o ka elongation o ASTM A27 (24% vs 18%), ʻo ia hoʻi hiki ke kīkoʻo hou aku ma mua o ka haki ʻana. Akā i loko o nā ipu slag, ʻo ka elongation ma luna o 18% ka mea kakaikahi ka palena - ʻo ka luhi wela.

●Paʻakikī o ka hopena– ʻO kēia ka mea nui. Hoʻāʻo pinepine ʻia ka GS-20Mn5 ma ka hopena ma -20°C. Inā aia kāu wili ma Siberia, ʻākau o Kanada, a i ʻole ʻākau o Kina i ka hoʻoilo, he mea nui kēia. Hiki i ka ZG270-500 a me ASTM A27 ke lilo i mea palupalu i nā mahana ma lalo o ka zero.

*Moʻolelo maoli: Ua hoʻohana kahi wili ma Inner Mongolia i nā ipu ZG270-500. I Ianuali, me ka mahana o waho -25°C, ua haki kahi ipu i ka wā o ka hoʻopiha mua ʻana o ka lā. Ua hoʻololi lākou i GS-20Mn5 - ʻaʻohe haki hoʻoilo hou.*

01 20-50 Ton Slag Pot Medium Capacity Slag Ladle no ka hana kila EAF & LF – Womic Steel

Kumukūʻai vs. Hana - ʻO wai ka mea e hāʻawi iā ʻoe i ka ROI maikaʻi loa?

Ua hahai mākou i nā ʻikepili kumukūʻai a me ke ola mai 47 mau hale kila ma luna o 5 mau makahiki. Eia nā mea a mākou i ʻike ai:

Papa Kumukūʻai Kiʻekiʻe Nā Pōʻaiapuni Awelike a hiki i ka Hāʻule ʻana Kumukūʻai no 1,000 mau pōʻaiapuni
ZG270-500 Kahua kumu 4,200 mau pōʻaiapuni $X (kumukūʻai)
ASTM A27 60-30 +10-15% 4,500 mau pōʻaiapuni 0.95X
GS-20Mn5 +40-60% 7,500 mau pōʻaiapuni 0.85X

He hōʻike nā helu - e ʻokoʻa paha kāu mileage ma muli o nā kūlana hana.

ʻO ka mea kupanaha:ʻOiai ke kiʻekiʻe o ke kumukūʻai mua, hāʻawi pinepine ʻo GS-20Mn5 i kake kumukūʻai haʻahaʻa loa no kēlā me kēia pōʻaiapunino ka mea, kokoke ʻelua ka lōʻihi o kona mau. Akā aia kahi pilikia: pono ia i ka mālama wela kūpono (quenched + tempered). Ke koi nei kekahi mau hale hana hao e hāʻawi iā GS-20Mn5 akā hāʻawi wale i nā mea i hoʻomaʻamaʻa ʻia - ʻaʻole ia e hāʻawi iā ʻoe i ke ola like.

 

Āhea e hoʻohana ai iā ZG270-500:

● He ʻoluʻolu kāu hana (ʻaʻohe haʻalulu wela pinepine)

● ʻAʻole ʻoe e hana ma lalo o 0°C

● He paʻa kāu kālā a hiki iā ʻoe ke ʻae i ke ola pōkole

● Hoʻololi ʻoe i nā ipuhao i kēlā me kēia 2-3 mau makahiki

Āhea e hoʻohana ai iā ASTM A27 60-30:

● Ke koi pono nei kāu kikoʻī papahana i nā mea ASTM

● Pono ʻoe e hoʻokō i ka manaʻo o kahi ʻoihana ʻenekinia a mea hāʻawi kālā paha o ʻAmelika Hui Pū ʻIa

● ʻAʻole ʻoe makemake e uku i ka uku mua o GS-20Mn5 akā makemake ʻoe i nā palapala ʻoi aku ka maikaʻi ma mua o ZG270-500

Āhea e hoʻohana ai iā GS-20Mn5:

● Hana ʻoe i nā manawa a pau me nā pōʻaiapuni wela kiʻekiʻe (EAF a i ʻole ka hoʻohana pinepine ʻana i ka LF)

● Hāʻule kou mahana a puni ma lalo o ka hau

● Makemake ʻoe i ke kumukūʻai lōʻihi haʻahaʻa loa no kēlā me kēia tona o ke kila i hana ʻia

● Pono ʻoe i ka palapala hōʻoia ʻEulopa (PED, EN 10204 3.2)

Nā Manaʻo Kuhihewa Maʻamau - Ka Mea a Mākou e Lohe ai Mai Nā Mea Kūʻai Mai

Kuhihewa 1: "ʻO ka ikaika tensile kiʻekiʻe ke ʻano o ka ipu slag maikaʻi aʻe."
ʻAʻole ʻoiaʻiʻo. ʻAʻole hoʻohana pinepine ʻia ka ikaika tensile ma luna o 450 MPa i ka lawelawe ʻana i ka ipu slag. ʻO ka mea e pepehi ai i nā ipu, ʻo ia ka luhi wela a me ka hopena, ʻaʻole ka static tension. ʻOi aku ka haʻahaʻa o ka tensile GS-20Mn5 ma mua o ZG270-500 akā ʻoi aku ka maikaʻi o ke kū'ē ʻana i ka luhi.

 

Kuhihewa 2: "Hiki i kekahi hale hana hao ke hana iā GS-20Mn5 - he kūlana maʻamau wale nō ia."
Ua hewa. Pono ʻo GS-20Mn5 i ka mālama wela pololei: hoʻopau ʻia (wai a ea ikaika paha) a hoʻomaʻamaʻa ʻia. Hōʻalo ka nui o nā hale hana hao i ke kaʻina hana hoʻopau a hoʻomaʻamaʻa wale. Loaʻa iā ʻoe ka kemika GS-20Mn5 akā ʻo nā waiwai ZG270-500. E noi i nā moʻolelo mālama wela a me nā ʻikepili paʻakikī.

 

Kuhihewa 3: “Ua hoʻohana mau mākou iā ZG270-500 a ua maikaʻi ia.”
Hoʻokahi nīnau: ʻike anei ʻoe i kāu mau pōʻaiapuni maoli a hiki i ka hāʻule ʻana? He nui nā hale wili e ʻae ana i 3,000 mau pōʻaiapuni ma ke ʻano he "maikaʻi" - akā hiki iā ʻoe ke loaʻa i 7,000 mau pōʻaiapuni me kahi mea ʻoi aku ka maikaʻi. He mea kūpono ke helu ʻana i kāu kumukūʻai huna o ka hoʻololi mua a me ka manawa downtime.

He aha kāu e nīnau ai i kāu mea hoʻolako ipuhao Slag (Papa Inoa)

Ma mua o kou hoʻopau ʻana i kahi kauoha, e nīnau i kēia mau nīnau - e haʻi nā pane iā ʻoe inā ʻike ka mea hoʻolako i kā lākou mea.

1."He aha kāu pae kemika maʻamau maoli no kēia papa, ʻaʻole wale nā ​​​​palena maʻamau?"
E hāʻawi aku kahi mea hoʻolako maikaʻi iā ʻoe i kahi pae paʻa (e laʻa, C: 0.30-0.35%, ʻaʻole 0.30-0.40%).

2."Ke hana nei ʻoe i ka hoʻāʻo hopena ma 0°C a i ʻole -20°C? Hiki iā ʻoe ke hōʻike mai iaʻu i nā hopena?"
No ZG270-500, ʻaʻole hoʻāʻo iki ka nui o nā mea hoʻolako i ka hopena. No GS-20Mn5, -20°C ka maʻamau.

3."He aha kāu pōʻaiapuni hoʻomehana no kēia mea?"
E kikoʻī: ka mahana austenitizing, ka manawa hoʻomoʻa no kēlā me kēia ʻīniha o ka ʻāpana, ka mea hoʻopio, ka mahana hoʻomaʻamaʻa a me ka manawa.

4."Loaʻa iā ʻoe kahi hōʻike hoʻāʻo pōʻaiapuni wela luku no kēia mea?"
He kakaikahi nā hale hana hao e hana i kēia. Hāʻawi ʻo Womic Steel i hoʻokahi ma ke noi ʻana.

5."Hiki iā ʻoe ke hāʻawi i ka palapala ʻāina mānoanoa o ka paia me ka hōʻike ultrasonic?"
Hoʻomaopopo kēia i ka mānoanoa like - kahi kīnā huna maʻamau i nā ipu hao i hoʻolei ʻia.

05 20-50 Ton Slag Pot Medium Capacity Slag Ladle no ka hana kila EAF & LF – Womic Steel

Manaʻo Hope Loa

No ka hapa nui o nā wili waena ma nā aniau kaulike:E hoʻomaka me ZG270-500. He kūpono ke kumukūʻai a hana i ka hana. Akā e noi no kahii hoʻomaʻamaʻa ʻia a hoʻomaʻamaʻa ʻiaka mālama wela - he nui nā mea hoʻolako e hoʻomaʻamaʻa wale, kahi e hōʻemi ai i ka paʻakikī.

No nā wili me nā hoʻoilo anu a i ʻole ka hana alapine kiʻekiʻe:E hoʻopukapuka kālāGS-20Mn5me ke ʻano i hoʻopau ʻia a hoʻomaʻamaʻa ʻia. Uku hou ka uku mua i loko o 2 mau makahiki ma o nā pani liʻiliʻi a me ka manawa downtime liʻiliʻi.

No nā papahana kikoʻī US:ʻO ASTM A27 60-30 ke koho palekana. Eia nō naʻe, inā koi nui kāu mau kūlana hana, e hoʻonui i ka ASTM A27 65-35 (ʻoi aku ka nui o ka hua).

ʻO nā mea āu e koho ai, e kākau i nā mea a pau.ʻO ka pae kemika, ke kaʻina hana wela, nā ʻano NDT, a me nā pae hoʻomaopopo - mai waiho i kahi no ka wehewehe ʻana.

Ke kānalua nei? E kamaʻilio kākou e pili ana i kāu hana kikoʻī

He ʻokoʻa kēlā me kēia hale hana kila. Hiki iā mākou ke nānā i kāu hana ipu hao o kēia manawa - mai nā pōʻaiapuni a i ka hāʻule ʻana, nā kiʻi o ke ʻano hāʻule ʻana, ka mahana hana, a me ka hiki o ke crane - a laila e paipai i ka mea kūpono a me ka hoʻolālā.

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