Bar koorinin

Bar koorinin (nɛgɛ bari koorinin)yenɛgɛ silindiriki barikamanmin be di janya tilenninw na, min be ɲɛfɔ ka gwɛ a ka .diamɛtiri(misali la, Ø12 mm) ani jigi cogoya (a kalaya-a yɛlɛmana, a ka ɲi, walima a fagara & a ka gwɛlɛ). A tɛ i n’a fɔ tiyo wala tiyo, a be ni .dingɛ tɛ yen-a be kɛ i n’a fɔ fɛnɲɛnamafagalanmasinw dilanni, nɛgɛw dilanni ani dilanka lɔgɔw, pɛnɛw, bolow, nɛgɛw ani boon lɔcogo/masinifɛnw dilan.

 

Octal Pipe be nɛgɛ ni nɛgɛ kɛrɛnkɛrɛnninw dilanlɔgɔ koorininwminw dilanna Sinuwaw ka nɛgɛso kɛrɛnkɛrɛnninw fɛ, u bonya be daminɛ .5 mm ka taga se 360 ​​mm ma, min be di cogo la min ka gwɛlɛ, min be yɛlɛma, wala min be faga -ani - min be yɛlɛma. O bariw labɛnna sannikɛlaw kama minw be baara kɛ ni masinw ye, ka faniw dilan ani ka fɛnw dilan yɔrɔ dɔw la i n’a fɔ kuran, dugukolosɛnɛ, baji daa la, bolifɛnw ani masinw bɛɛ.

Misaliya (MTC-dɛmɛnin):O sɛrɛkili min be duguman (Ø27 mm × 6 m, 35.916 t total) b’a yira ko nɛgɛ koorinin min be kɛ ni mikro- ye ani a be baara kɛ ni minanw ye minw ka gwɛlɛ. simi: 0,33–0,34% ɲɔgɔn C, P dɔgɔya ( A ka dɔgɔ ni 0,017% ye wala a ka kan n’a ye) ani S dɔgɔman ( A ka dɔgɔ wala a ka kan ni 0,004% ye), ka fara mikro-alloy elements V, Ti ani B kan. O farali b’a fɔ an ye ko nin ye .tinɛgɛ jɔnjɔn dɔ min be lɔ, nka a .barikaman -, fɛnɲɛnama -kisɛ, mikoro-minɛn nɛgɛlamana labɛnna yɔrɔw kama minw mako be fanga la (≈950 MPa tensile) ani u ka se ka ɲɔgɔn gosi degere –20 la . Bar i n'a fɔ nin ka ɲi i n'a fɔ fɛnɲɛnamafagalanw ka bulɔnw, lɔgɔw, pɛnɛw, bolifɛnw, sɔgɔli ani dugukolosɛnɛfɛnw.

 

Bar bɛɛ be se ka di ni .nɔfɛtagama bɛɛ(kalaya hakɛ, kemikalifɛnw, sɛgɛsɛgɛli min be kɛ ka yɛlɛma, sɛgɛsɛgɛli min be kɛ ka yɛlɛma/kuru ani gɛlɛya) ka kɛɲɛ ni EN 10204 3.1/3.2 ye.

 

 

 

 

Fɛɛn suguya	Bonya hakɛ
Kalaman-kuru koorinin	5-360 milimɛtiri
Bar pɛtɛnin	A bonya ye milimɛtiri 50 – 810 ye, a bonya ye milimɛtiri 6 – 160 ye
Bar kaare	milimɛtiri 150, milimɛtiri 200, milimɛtiri 250, milimɛtiri 280

 

Ka ɲɛsin sanni surun ma,bari koorinin 12mmye baarakɛyɔrɔ hakɛ ye min ka teli ka kɛ nɛgɛ misɛnw, pɛnɛw ani nɛgɛkunbɛnnanw ye, k’a sɔrɔ .bari koorinin R6.a ka ca a la, a be fɔ site web lisiw kan k’a yira ko .Ø6 mm bari koorinin(ja dɔw be baara kɛ ni "R" ye i n'a fɔ radius-o la, a sɛgɛsɛgɛ ni R6 kɔrɔ ye Ø6 walima radius 6).

 

Bar koorinin hakɛ min ka ca (mm) min be kɛ ka baara kɛ ni masinw ye ani baarakɛyɔrɔw dilanni:

 

Bar koorinin bonya (mm)	A be baara kɛ n’a ye yɔrɔ min na (baara yɛrɛ yɛrɛ)
6 (R6) / 8 / 10	Pinɛ misɛnninw, nɛgɛkunbɛnnanw, yeelenbɔlanw, jig yɔrɔ dɔw
12 (bar koorinin 12mm) / 16 / 20	Arbres généraux, bolow, adaptɛriw, dilanfɛnw
25 / 30 / 40	Kupɔli, bolifɛn kɔnɔfɛnw, mansin nɛgɛjuruw
50 / 60 / 80	Pinɛ girinmanw, dugukolosɛnɛfɛnw, yɔrɔ gwansanw
100+	Masini caman, minanw dilanna ka kɛɲɛ ni sago ye

 

 

 

Ka bɔ MTC la i ye min ci (Funteni No. 0242306413 / 0242306412, dia. 27 mm × m 6), kemikɛli be fɔ i n’a fɔ:

 

Fɛn	Kɔrɔbɔli 1	Kɔrɔbɔli 2nan	Tilanyɔrɔ / kɔrɔfɔli
C	0.33	0.34	% (x100 → 33 / 34)
Si	0.28	0.26	%
Mn	0.68	0.57	%
P	0.015	0.017	% (P ka dɔgɔ kosɔbɛ, a ka gwɛlɛ)
S	0.003	0.004	% (S ka dɔgɔ kosɔbɛ, saniyako ka ɲi)
Cr	0.018	0.021	% (Cr misɛnnin)
Cu	0.009	0.005	%
V	0.063	0.066	% (mikro-nɛgɛ min be kɛ ka fanga di)
Ti	0.042	0.043	% (sɛnɛfɛnw saniyanin)
B	0.0030	0.0030	% (ka gɛlɛya fisaya)

 

O be min yira an na .

Karibɔni min be 0,33–0,34% ɲɔgɔn na, o be fanga ni gɛlɛya hakɛ ɲuman di QT kɔ.

P ni S ka dɔgɔ kosɛbɛ ( A ka dɔgɔ ni 0,017% ye walima a ka dɔgɔ ni 0,004% ye), o min ye nɛgɛkuru kɛrɛnkɛrɛnninw-minɛnw ye minw be kɛ ka baara kɛ ni masinw ye.

V, Ti ani B be yen ka gwɛ - nin tɛ nɛgɛ nɔgɔman basiginin ye, nka nɛgɛ mikoro-minɛnan walima HS (barika-ba) bar min laɲini ye ka mekaniki sifaw ɲumanw sɔrɔ ani ka se ka gɛlɛya koɲuman.

Sɛbɛri min be MTC kan, o b’a yira ko .CEV fɔrimili:
CEV= C + Mn/{2}} (Cr+V+Mo)/{5}} (Cu+Ni)/15
min ye fɛɛrɛ ye min be to ka kɛ ka sɔgɔli ani nɛnɛ-pɛrɛn farati kɔlɔsi. Nin ye kunnafoni ɲuman ye min ka kan ka mara sɛbɛ kan sabu a b’a yira ɛnzeniyɛriw ni Google la ko nin ye mansin ka kunnafoni yɛrɛ yɛrɛw ye.

 

 

Loon - ka taga - tile sanni kɔnɔ,Bar koorinin ni berea ka ca a la, adili-sɛbɛn ani sɔnnidanfara min be yen sanni ka kɛ kemikali danfara ye.Bar koorinina ka ca a la, o kɔrɔ ye tilennin-janya, barikaman barikaman min be di ka baara kɛ ni masinw ye ani ka fɛnw dilan, yɔrɔ min nadiamɛtiri muɲu, tilenninya, ani yɔrɔ cogoyaa be nɔɔ to yɛlɛmani wagati n’a sɔngɔ kan. "Kalamanin" be to ka fɔ ka gwɛ diamɛtiri fitininw kama ani, ka kɛɲɛ ni baarakɛyɔrɔ ye, a be se ka ɲɛsin .nɛgɛjuru-min be nɛgɛjuru la -bere sifaw(min labɛnna walisa ka juru siraw ja, k’u kunkuru wala k’u siri) sanni ka tigɛ-janya la.

Fɛɛrɛ ɲuman min b’a to an be se k’u bɔ ɲɔgɔn na, o ye k’a filɛ min kɔrɔtanin lo sɔrɔli la:

 

• N’i ​​mako be .tigɛ-ka - janya lakolonw yɛlɛma/sɛgɛsɛgɛ, i be to ka sanni kɛ .bari koorinin-i b'i jantotilenninya, dekarbɔni, yɔrɔ fiɲɛw, ani diamɛtiri min be bɛn ɲɔgɔn mao la, a be masinw saniya.
• Ni i ka koo nata ye .ja/labɛn(nɛgɛjurufɛnw, pɔrɔnw, nɛgɛjuru min be siri, nɛgɛjuru-min be baara kɛ), "kalamanin" ye kumaden ye min be fɔ tuma caaman na, ani mɔgɔw be sinsin .bobine cogoya, yɔrɔ hakɛ kɔlɔsili, ani janya.

 

Sannikɛla ka kaan (min be dɛmɛ don ka PO ka gwɛlɛyaw bali):

 

• Ɲɛci"bar koorinin"tuma min na i ka BOM be makɔnɔnaØ bonya + janya(misali la, Ø20 × 6 m) ani i ka duguma baara ye masin/forji ye.
• Ɲɛci"bere / bere nɛgɛ"tuma min na i ka BOM be makɔnɔnabobine/giriya-basiginin dilanani dugumayɔrɔ ka baara be ja wala ka labɛn.

 

Sanni ladili nafaman:diyagoyasirabari koorininn’i mako be masinw la minw be se ka fɔ ka bila ani tilenninya basiginin; baara kɛ ni "bere" kumadenw ye dɔrɔn n'i ka baarakɛcogo ye coil-fed ja, kuru, walima wire-basiginin dilan.

 

 

Walisa o ɲɛɛ ka kɛ komi a be ni fanga ye, o be dɛmɛ don ka baara kɛcogo yɛrɛ yɛrɛ yira. Sira min be sɔrɔ o lɔgɔw koorininw na minw barika ka bon, o ye nin ye:

a) Nɛgɛ dilanni ani nɛgɛdaga filanan .
Nɛgɛ be yɛlɛma BOF wala EAF kɔnɔ, o kɔ, u be furakɛ LF/VD la walisa ka kibiri ni fɔsifɔri bɔ ani ka nɛgɛ kɔnɔfɛnw yɛlɛma ka ɲɛ. O yɔrɔ la, fɛnɲɛnamafagalanw i n’a fɔ V, Ti ani B be fara ɲɔgɔn kan. P ni S minw ka dɔgɔ i ka MTC kɔnɔ (0,015–0,017% P, 0,003–0,004% S) olu lo ye o yɛlɛmani nɔɔ ye tigitigi - u be fanga ni sɔgɔli fisaya.

b) Ka fɛnw bɔ ani ka bilɛti labɛn .
O nɛgɛ saniyanin be fili ka kɛ bilɛtiw ye minw be se ka yɛlɛma yɛlɛma. Bilɛti saniyaninw minw kɔnɔfɛnw man ca, olu nafa ka bon ka se ka tɛmɛ bend/rebend ani impact tests fɛ minw be sɔrɔ i ka sɛbɛ kan.

c) Bar koorinin yɛlɛmani ka gwɛ
O be bilɛtiw kalaya tugun ani k’u yɛlɛma bar mansinw kan fɔɔ ka taga se u bonya laban ma (misali la, milimɛtiri 27). Rolling be kɔlɔsi walisa ka yɔrɔ ɲuman sɔrɔ, tilenninya ani dimensiyɔn muɲuli. Barw be tigɛ ka kɛ jagokɛlaw ka janya ye, a ka ca a la m 6.

d) Funteni furakɛli (normalize walima faga + température)
Ka se ka se ka mekaniki sifaw sɔrɔ minw yirala sɛbɛn kan - 950–960 MPa, 905–915 MPa ɲɔgɔn sɔrɔ, fanga min be gosi –20 degere 100–110 J - lamini na, lɔgɔw ma to "i n’a fɔ u yɛlɛmana ka gwɛ". U be normalize wala, tuma caaman na, o fanga hakɛ kama,a be faga ani a be wuli (Q&T).

Fagalia be martensitiki/bainitiki yɔrɔ gɛlɛn dɔ di.

Temperatureni funteni bɛnnin lo, o be ductilité lasegin, ka gɛrɛntɛ fanga lawuli ani ka mikrostructure basigi.
O yɛlɛmani lo b’a to fanga be bonya nka a bele be janya mara 13–14% ɲɔgɔn na ani yɔrɔ dɔgɔyali ka tɛmɛ 50% kan.

e) Ka tilen, ka tigɛ ani ka tagamasiɲɛw kɛ .
Funteni furakɛli kɔ, u be lɔgɔw tilen, k’u tigɛ ka kɛ mɛtɛrɛ 6 ye (walima janya wɛrɛw minw labɛnna), k’u siri ɲɔgɔn na ani k’u tagamasiɲɛw kɛ ni funteni jatedenw ye.

f) Kɔrɔbɔli ani seereyali .
O dilanbaga be kemikali sɛgɛsɛgɛli kɛ, ka sɛgɛsɛgɛli kɛ ka yɛlɛma, ka sɛgɛsɛgɛli kɛ ka gosi degere –20 la , ka yɛlɛma/yɛlɛma, ka yɛlɛma yɛlɛma ani ka gɛlɛya sɛgɛsɛgɛ - i be kolon minw bɛɛ ye MTC kan. Ni u bɛɛ "qualifié" dɔrɔn lo be barw bɔ. O be sannikɛlaw lasun u ka la a la ko fɛn kelen kelen bɛɛ be bɛn ni mansin hakɛ ye min tun bɛnna.

 

 

 

Nɛgɛ gɛlɛya fanba tɛ yira sɛrɛkili sɛbɛ kan-u b’a yiratour kan, funteni furakɛli kɔ, wala lajɛn wagati la .. Poroze minw be baara kɛ ni bar ye min fanga ka bon - / micro-, Octal Pipe be sinsin ɲumanya yɔrɔw lo kan minw b’a yira ni bar be kɛ yɔrɔ basiginin ye wala n’a be kɛ baarakɛfɛn sɔngɔ gwɛlɛ ye:

 

Min ka teli ka kɛ site web kan .	Min ka kan ka fɔ (sannikɛla ka kaan)	Octal Pipe be min kɔlɔsi mansin na .
Minɛnw tiɲɛni / farali laban min ma lawuli	Dili cogoya + yɔrɔ min ka kan ka sɔrɔ (kalaya-minɛnin / sɔgɔnin / janin)	Sanfɛla labɛn sira (misali la, a bɔli yɔrɔ min na a ka kan ka kɛ) + a tilennin walisa ka dɔ bɔ masin yɛlɛmani na
Dimensiyɔn yɛlɛmani masin baara kɔ	Diamɛtiri muɲu + tilenninya wajibiyalen	OD/ovalité + tilenninya sɛgɛsɛgɛli walisa ka to ka yɛlɛmani hakɛ fɔ ka kɔn
Farali nɛnɛ daminɛ tuma na / nɔfɛkow	Fanga min be sɔrɔ funteni hakɛ dɔ la (misali la, "CVN @ -20 degere ")	Impact sɛgɛsɛgɛli min sirinin be funteni/lot la; bɔli ka kɛɲɛ ni kɔrɔbɔli daliluw ye, miiriyaw tɛ
Funteni-furakɛli bɛnbaliya (a ka gwɛlɛ kojugu / a ka maga kojugu)	Funteni furakɛli cogoya (min ka ɲi / Q&T) + janya finɛtiri	Funteni-furakɛli kololi + gɛlɛya sɛgɛsɛgɛli ka ɲɛsin finɛtiri kofɔnin ma
Fiɲɛ dogoninw sɔrɔla kɔfɛ	NDT ka baara ni kɔrɔfɔli lo (UT ka kɛɲɛ ni bɛnkan ye)	UT ka sugandili yɔrɔ kɔrɔtaninw kama + dilanni/kokura-sɛgɛsɛgɛri sɛbɛnw minw be se ka sɛgɛsɛgɛ n’a be se ka kɛ

 

O la, o be “bar bonya + grade” yɛlɛma ka kɛ .baarakɛfɛnw sɔrɔli: bar be na ni cogoya dɔ ye min ɲɛfɔra, masinw ka jogo min be se ka fɔ ka bila, ani bɔli basigi min be bɛn ni yɔrɔw sɔnni cogo ye tiɲɛn na. Octal Pipe be se ka lot-based traceability dɛmɛ (kalaya hakɛ → kɔrɔbɔli jaabiw) o la, sɛgɛsɛgɛri sɔrɔli ani duguma masinw ka setigiya be taga joona joona k’a sɔrɔ u ma sɛgɛsɛgɛri wɛrɛw kɛ.

 

 

Sabu o fɛɛn be ɲɔgɔn fara ɲɔgɔn kan .fanga min ka bon (≈950 MPa), nɔgɔya min ka ɲi (A ≈ 13–14%)niɲumanba min ka dɔgɔ ni -funteni fanga ye (100–110 J ɲɔgɔn –20 degere la ), a be se ka kɛ yɔrɔ caaman na minw ka gwɛlɛ:

Minɛnw, tunɛli ani dugukolo-dɛmɛfɛnw
Farakurunw, nɛgɛw, sɔgɔlanw ani yɔrɔ wɛrɛ minw ka kan ka baara kɛ nɛnɛyɔrɔ la walima yɔrɔ minw na mɔgɔw be ɲɔgɔn gosi. A ka sɛnɛfɛnw caya (≈910 MPa) ani a ka gɛrɛntɛ ɲuman b’a to bar be lafiya sɔrɔ doni gɛrɛntɛw kɔrɔ.

Tulu ni gazi ani baji daa baarakɛminanw
Ka yɔrɔw, flansɛw, nɛgɛw, nɛgɛw ani nɛgɛw nɔrɔ ɲɔgɔn na yɔrɔ minw na low-temperature gɛlɛya ye waajibi ye (–20 degere walima o ka dɔgɔ n’o ye). P/S hakɛ min ka dɔgɔ ani sɛgɛsɛgɛli sɛbɛnw b’a to a ka nɔgɔ ka sɔn a ma baji daa la ani baji daa porozew la.

Masini ni fanga-minɛnw yɔrɔw
Tiɲɛn na, nɛgɛw, nɛgɛw, nɛgɛw, nɛgɛw (o baara kɛnin kɔ ka baara wɛrɛw kɛ wala u kɛnin kɔ ka yɔrɔw gɛlɛya), masinw ka nɛgɛw ani transmisɔn minanw minw mako be fanga la ka tɛmɛ nɛgɛ gwansan kan min be karbɔni bɔ.

Tɛrɛn ani girinman-mobili kɔnɔfɛnw
Yɔrɔ minw na kemikɛli bɛnnin lo, mɔgɔw be se ka sɛgɛsɛgɛri kɛ ani ka se ka sodi (CEV min be kɔlɔsi).

Forge stock ani masin bar
Komi kemikɛli saniyanin lo ani a lɔcogo ɲuman lo, o bar ye basigi ɲuman ye ka fɛnw datugu-die forgings wala masinw dilan. Sannikɛlaw be se ka fani don ka kɛ ani ka to ka mekaniki nivo mara re-tempering kɔ.

Poroze minw be kɛ yɔrɔ nɛnɛmanw na
O fanga min sɛgɛsɛgɛra –20 degere la MTC kan, o b’a yira ko o bariw be se ka kɛ woroduguyanfan / low-temperature yɔrɔw la k’a sɔrɔ u tɛ dɛsɛ.

 

Nɛgɛ koorinin

Koroziyɔn-fɛn minw be kɛnɛ kan, porozew be se k’a yiranɛgɛ koorinin min tɛ yɛlɛmakarbɔni/nɛgɛnan nɔɔ nanɛgɛkuru koorinin-ka caya ni kemikalifɛnw, baji daa jimanya, walima kulori-minɛfɛnw b’a to latanga min basiginin be fani kan, o tɛ se ka la a la. Octal Pipe be se ka fɛnw fɔ minw be kɛ ni lɔgɔ ye ani u be se ka fɛnw ci minw be kɛ ni lɔgɔ ye walisa sannikɛlaw ka se ka sɛbɛ kelen mara ani ka cikanw labɛn. 304/304L min be se ka nɔgɔw kɛlɛ ani 316/316L yɔrɔ min na kloridi pitting margin ka ɲi ka kɛ.

 

Aw ka ɲɔgɔn sɔrɔ sisan

 

 

Minɛn	Cogofɔli
Diamɛtiri	5 – 360 mm (kalaya-kuru); fɛnw dilanna walima u bɔnin lo n'u y'a ɲini
Janya	6 m ɲɔgɔnna, 3–12 m be se ka labɛn .
Dili cogoya	I n’a fɔ a yɛlɛmana cogo min na, a ka ɲi, Q&T
An be se ka sariya minw labato	GB/T, ASTM/AISI, EN, kurun dilan walima sannikɛla ja
Sɛbɛnw	Mansin kɔrɔbɔli sɛbɛn (simi + mansinko + nɔfɛko), minanw bilali lisi, bɔyɔrɔ
Sɛgɛsɛgɛli	Mɔgɔ sabanan- (SGS / BV) be se ka labɛn sanni a ka ci

Tagasogow: bar koorinin, Sinuwaw ka bar koorinin dilanbagaw, feerekɛlaw, izini