Grup yin Bar

Grup yin n-gang (hpun n-gang n-gang)gawngang kang ai cylindrical nlung araidingyang galu ai hku jaw ya ai, madung hku nna shi a .galu kaba ai(ga shadawn, Ø12 mm) hte shalai ya ai masa (hot-rolled, normalized, shing nrai, n-gun shayawm ai & n-gun shayawm ai). Pipe (sh) tube hte n bung ai sha, .Hka htung n nga ai-dai hpe 2019 a matu raw stock hku lang ai.jak hte galaw ai, htu shapraw ai, hte galaw shapraw aishaft, pin, bolt, coupling, hte npawt nhpang/hpyen masa ni hpe galaw na matu.

 

Octal Pipe gaw alloy hte laksan n-gang ni hpe jaw ya aigrup yin nlung niMiwa laksan-hpyen jak kaba ni galaw shapraw ai, 1990 ning kaw nna diameters ni nga ai.5 mm kaw nna 360 mm du hkra, hpe n-gun ja ai-rolled, normalized, shing nrai, n-gun ja ai-and-tempered masa hta jaw ya ai. Ndai bar ni hpe n-gun, lung seng htu ai, panglai hkin-gau, htaw sa ai lam hte general machinery zawn re ai sector ni hta machining, forging, hte part galaw ai customers ni a matu galaw da ai re.

Ga shadawn (MTC-madi shadaw ai):Lawu na hka htung masat masa (Ø27 mm × 6 m, 35.916 t yawng) gaw, ra kadawn ai daw ni a matu jai lang ai, shingra tara hku nna, n-gun n rawng ai n-gang n-gang chemistry hte jak rung madang hpe madun dan ai. chemistry: 0.33–0.34% daram C, P n law ai ( 0.017% hta n law ai (sh) maren sha re) hte S n law ai ( 0.004% hta n law ai (sh) maren sha re), dai hta n-ga, micro-alloying elements V, Ti hte B ni lawm ai.n rea madung gawgap ai n-gang, raitim a .tsaw ai-n-gun, n-gun ja ai-mam, kaji ai-hpyen n-gunn-gun (≈950 MPa tensile) hte hkra machyi ai lam hpe –20℃hta hkam sharang ra ai daw ni a matu yaw shada ai. Ndai zawn re ai bar ni gaw, bolt, shaft, pin, drivetrain a daw ni, htu shaw ai hte lung seng htu ai arung arai ni a matu raw stock hku nna kaja dik htum rai nga ai.

 

Bar yawng hpe 1 hte jaw mai ai.tup hkrak hkan tam lu ai(katsi ai jahpan, tsi mawan n-gun, n-gun chyam dinglik ai lam, hkrat sum ai lam chyam dinglik ai lam, shinggrup/htingnut ai lam hte ngang kang ai lam) hpe EN 10204 3.1/3.2 hte maren tsun da ai.

 

 

 

 

Hpaga arai amyu	Size shadawn shadang
Katsi ai-hpun grup yin shingnip	5-360 mm
Flat bar	- 810 mm galu, 6 - 160 mm galu ai
Square bar	150 mm, 200 mm, 250 mm, 280 mm

 

Hkawm sa ai lam hpe shorthand galaw na matu,grup yin n-gang 12mmgaw, shaft kaji ni, pin ni, bracket ni a matu lang ai bungli galaw ai size langai mi rai nna, .grup yin bar R6.ngu ai lachyum hpe site list ni hta lang chye ai.Ø6 mm grup yin n-gang(sumla nkau mi hta "R" hpe radius hku lang ai-dai majaw R6 ngu ai lachyum gaw Ø6 (sh) radius 6 ngu ai hpe jep yu u).

 

Machining hte shara galaw ai hta lang ai shingnip shingna galu kaba ai (mm) ni:

 

Grup yin bar kaba ai (mm)	Site kaw lang ai (teng man ai bungli)
6 (R6) / 8 / 10	Pin kaji ni, hka leng arung arai ni, nhtoi htoi ai shara ni, jig arung arai ni
12 (hpun shingnip 12mm) / 16 / 20	Madung shaft ni, lata palawng ni, adapter ni, gram lajang ai arung arai ni
25 / 30 / 40	Couplings, mawdaw arung arai ni, jak hte galaw ai hub ni
50 / 60 / 80	Lik ai-duty pin ni, lung seng htu ai hta lang ai arung arai ni, hkalem hkalau ai blank ni
100+	Machining stock kaba, laksan galaw da ai arung arai ni

 

 

 

Nang sa dat ai MTC kaw nna (Hka lum ai No. 0242306413 / 0242306412, dia{2}} mm × 6 m), Chemistry hpe ndai hku tsun dan ai:

 

Hkarang jet	Chyam dinglik ai lam 1	Chyam dinglik ai lam 2	Unit / ningmu
C	0.33	0.34	% (x100 → 33 / 34)
Si	0.28	0.26	%
Mn	0.68	0.57	%
P	0.015	0.017	% (P grai npu, ngang kang ai lam kaja)
S	0.003	0.004	% (S grai yawm ai, san seng ai lam kaja ai)
Cr	0.018	0.021	% (kaji ai Cr)
Cu	0.009	0.005	%
V	0.063	0.066	% (n-gun ja hkra galaw na matu micro-hpyen n-gun)
Ti	0.042	0.043	% (mam hpe jasan jaseng ai)
B	0.0030	0.0030	% (n-gun ja ai lam hpe gram lajang ai)

 

Ndai lam gaw anhte hpe hpa tsun dan ai kun

Carbon 0.33–0.34% grup yin gaw QT ngut ai hpang n-gun hte ngang kang ai lam hpe kaja ai hku rap ra hkra jaw ya ai.

P hte S gaw grai n law ai ( 0.017% hta n law ai (sh) maren sha re ai hte 0.004% hta n law ai (sh) maren sha re ai) rai nna, dai gaw jak rung arung arai ni a matu laksan-steel bars ni a laklai ai lam rai nga ai.

V, Ti hte B ni asan sha nga ai - ndai gaw npawt nhpang n-gun n rawng ai n-gang n re, raitim, micro-alloyed (sh) HS (high-strength) bar rai nna, n-gun ja ai jak rung atsam hte kaja ai ngang kang ai lam hpe yaw shada ai.

MTC ntsa kaw ka da ai laika hta .CEV ladat:
CEV=C + Mn/6 + (Cr+V+Mo)/{5}} (Cu+Ni)/15
dai gaw weldability hte katsi ai-htum mat na hpe hkang lu na matu lang ai ladat rai nga ai. Ndai gaw page kaw tawn da na matu kaja ai shiga re, hpa majaw nga yang ndai gaw engineer ni hte Google hpe ndai gaw tengman ai mill data re ai hpe signal jaw ai majaw re.

 

 

Lani- kaw nna-lani mari ai hta,grup yin n-gang hte n-ganggaw law malawng ajaw ya ai-form hte hkap la ai lamchemistry shai hkat ai hta grau nna garan ginhka ai lam re.Grup yin barlaksan hku nna, dingyang-galu, jak hte htu sha na matu jaw ai ngang kang ai bar stock hpe tsun mayu ai, dai kawdiameter hkam sharang lu ai, dingyang, hte ntsa lam masacycle aten hte scrap rate hpe hkrak hkra machyi shangun ai. "Sumprang" hpe kaji ai diameter ni a matu grau loi ai hku lang chye nna, bungli galaw ai shara hta hkan nna, 1 hpe tsun mayu ai rai na re.coil-shadu ai wire-rod hkrang ni(sumla hkrung ka na matu, shinggrup na matu, shing nrai, wire lam ni hpe shinggrup na matu yaw shada ai) hpe cut-length bar hta grau nna.

Shanhte hpe garan ginhka lu na matu tatut galaw mai ai lam langai gaw, hkam la ai hta hpa ahkyak ai hpe yu na matu re:

 

• Ra ai rai yang .- hpe-galu ai hku n-gun n rawng ai shara ni hpe daw kau/htum mat na matu, nang gaw galoi mung mari nga aigrup yin bar-nang myit tsang na redingyang ai, decarb, ntsa lam n kaja ai, hte n galai shai ai diameterdai majaw part jak ni hpe san seng hkra galaw ai.
• Na a hpang na lahkam gaw .sumla ka ai/hpan shalat ai(wire arung arai ni, hka hpawk ni, gyit da ai wire, coil-fed galaw ai lam), "sumprang" ngu ai ga si hpe lang chye nna, myit maju jung ai lam gaw 1 de galai mat wa ai.coil hkrang, ntsa madang hpe hkang lu ai, hte hkrang shapraw lu ai atsam.

 

Kalang lang mari ai wa a ga (PO ambiguity hpe koi lu hkra karum ya ai):

 

• Jai lang ai"htinggrum bar"na a BOM myit mada ai shaloiØ kaba ai + galu ai(ga shadawn, Ø20 × 6 m) rai nna, na a lawu de na lam gaw, jak hte galaw ai/hpyen galaw ai lam rai nga ai.
• Jai lang ai"n-gang / wire n-gang"na a BOM myit mada ai shaloicoil/hkum hkrang - hpe madung tawn nna jaw ya aihte lawu de na lam gaw sumla hkrung (sh) hkrang shapraw ai lam rai nga ai.

 

Tatut mari mai ai hpaji jaw ga:matsungrup yin barnang hpe tau hkrau chye lu ai machining stock hte ngang grin ai dingyang lam ra ai shaloi; "rod" ga si hpe na a process hpe coil-fed sumla hkrung, bending, shing nrai wire-based galaw ai shaloi sha lang u.

 

 

Laika man hpe ahkaw ahkang nga ai zawn mu hkra, teng man ai lam hpe madun dan na matu karum ya ai. Ndai -n-gun ja ai grup yin shingnip ni a matu laksan lam langai gaw lawu na hte maren rai nga ai:

a) N-gang galaw ai hte lahkawng lang ngu na gram lajang ai lam
Steel hpe BOF (sh) EAF hta htu nna, LF/VD hta htu nna, sulfur hte phosphorus hpe shapraw kau lu na matu hte alloy hpe hkrak hkrak gram lajang lu na matu galaw ai. Ndai shara kaw V, Ti hte B zawn re ai micro-alloying element ni hpe jat bang da ai. Na a MTC hta P hte S n law ai (0.015–0.017% P, 0.003–0.004% S) gaw ndai lahkam a mahtai hkrak rai nga ai - shanhte gaw ngang kang ai lam hte n-gun ja ai lam hpe grau kaja hkra galaw ya ai.

b) Casting hte billet hpe hkyen lajang ai lam
Dai n-gang hpe n-gun ja ai n-gang hpe shinggrup na matu htuk manu ai billets ni hta bang da ai. Na a laika hta lawm ai bend/rebend hte impact test ni hpe lai di lu na matu, n law htum lawm ai san seng ai billet ni gaw ahkyak nga ai.

c) Round bar hpe katsi ai hku shinggrup ai
Billets ni hpe bai katsi shangun nna, bar mill ni hta hpang jahtum na diameter (ga shadawn, 27 mm) du hkra shinggrup da ai. Rolling hpe kaja ai ntsa nsam, dingyang hte dimensional hkam sharang lu na matu hkang ai. Bar ni hpe hpaga lam a matu galu hkra gang je kau ai, 6 m daram galu ai.

d) Hka lum ai hku galaw ai (normalize (sh) n-gun shayawm ai + tempering)
950–960 MPa, 905–915 MPa daram shapraw lu ai, 100–110 J - grup yin hta –20℃hta hkrat sum ai n-gun hpe lu la na matu, bar ni hpe "hkum hkrang n-gun hpe n-gun dat ai zawn" n tawn da ai. Shanhte gaw normalized (sh) ndai n-gun madang a matu grau law ai,n-gun ja ai hte n-gun ja ai (Q&T).

Hkring mat ain-gun ja ai martensitic/bainitic hkrang hpe jaw ya ai.

N-gun ja ain-gun rawng ai nbung laru hta ductility hpe bai gram lajang ya nna, hkra machyi ai lam hta ngang kang ai lam hpe sharawt ya ai, microstructure hpe ngang grin shangun ai.
Ndai lahkam gaw n-gun hpe tsaw hkra galaw ya ai raitim, 13–14% daram hta elongation hpe naw tawn da ya nna, 50% jan na area hpe shayawm ya ai.

e) Dingyang galaw ai, gang je kau ai hte masat masa galaw ai
Heat treatment galaw ngut ai hpang, bar ni hpe dingyang galaw nna, 6 m (sh) kaga ordered lengths hku gang je kau nna, shinggrup nna heat nambat ni hte masat da ai.

f) Chyam dinglik ai lam hte masat masa galaw ai lam
Hpaga galaw ai wa gaw, MTC ntsa kaw mu lu ai column yawng hpe chemical analysis, tensile chyam dinglik ai, –20℃hta hkrat sum ai chyam dinglik ai, bend/rebend chyam dinglik ai, forging chyam dinglik ai hte ngang kang ai hpe jep yu ai - galaw ai. Shanhte yawng "qualified" byin ai shaloi she bar ni hpe shapraw kau ai. Ndai lam gaw, mari ai ni hpe, bundle shagu gaw myit hkrum da ai mechanical madang hte maren rai nga ai ngu kam hpa shangun ai.

 

 

 

Law malawng gaw round bar steel manghkang ni gaw quotation sheet hta n pru ai-shanhte pru wa ailathe ntsa, katsi ai hku tsi lajang ngut ai hpang, shing nrai, hpawng chyawm ai aten hta. Hpa majaw nga yang, n-gun ja ai / micro-alloyed bar hpe lang ai project ni a matu, Octal Pipe gaw bar hpe ngang grin ai daw langai byin tai wa na kun, shing nrai manu dan ai bai galaw ai arung arai langai byin tai wa na hpe dawdan ya ai tatut galaw mai ai quality points ni hpe madung tawn ai:

 

Site kaw hpa baw shut chye ai	Hpa hpe tsun dan na (mari ai wa a ga)	Octal Pipe gaw hka htung kaw hpa hpe hkang ai
N myit mada ai arung arai lang ai / htum mat ai	Hkamja lam hte seng nna htaw sa ai lam + ntsa lam ra ai lam (katsi ai-htu ai / hpraw ai / htu ai)	Ntsa lam hkyen lajang ai lam (ga shadawn, ra ai shara hta hpraw kau ai) + machining galai shai ai lam hpe shayawm na matu dingyang galaw ai
Machining galaw ngut ai hpang shadawn shadang galai mat ai	Diameter hkam sharang lu ai + dingyang ra ai	OD/ovality + dingyang ai lam hpe jep yu ai shaloi, galai shai ai lam hpe tau hkrau chye lu hkra
Katsi ai aten hta hkrat sum ai / hkra machyi ai lam ni	Tsun da ai nbung katsi ai shara hta hkra machyi ai n-gun (ga shadawn, "CVN @ -20℃")	Impact chyam dinglik ai lam hpe heat/lot hte matut da ai; chyam dinglik sakse ni hpe madung tawn nna shapraw ai, sawn la ai lam n re
Heat-n ​​htap htuk ai hpe tsi lajang ai (grai ja ai / grai n-gun ja ai)	Katsi tsi lajang ai masa (htuk manu ai / Q&T) + ngang kang ai hkuwawt	Heat-hpaji masa + masat da ai window hpe ninghkap nna ngang kang ai lam hpe jep joi ai lam
Makoi da ai n kaja ai lam ni hpe hpang jahtum mu tam ai	NDT a shingdu labau gaw ahkyak ai rai yang (UT myit hkrum ai hku nna)	Ahkyak ai daw ni a matu UT lata la mai ai + hkan tam mai ai gram lajang/re-chyam dinglik ai jahpan ni hpe ra ai shara ni hta

 

Tatut hta, ndai gaw "round bar size + grade" hpe 100 de gale kau ya ai.bungli galaw mai ai galaw shapraw ai arung arai: bar gaw, masat da ai masa, tau hkrau chye lu ai machining behavior, hte daw ni hpe gara hku teng sha hkap la ai hte htap htuk ai shapraw ai npawt nhpang hte du wa ai. Octal Pipe gaw lot-based traceability (heat number → chyam dinglik mahtai) hpe madi shadaw ya lu ai majaw, jep joi ai lam hpe hkam la lu ai hte, npu de na jak rung atsam marai gaw, grau lawan ai hku shamu shamawt lu ai.

 

 

Hpa majaw nga yang, ndai arung arai gaw .n-gun kaba ai (≈950 MPa), Htuk manu ai n-gun (A ≈ 13-14%)Htegrai kaja ai npu-hpyen n-gun (100–110 J grup yin –20℃hta ), dai hpe ra kadawn ai daw law law hta lang mai ai:

Lungseng htu ai, hka htung htu ai hte lamu ga-madi shadaw ai arung arai ni
Katsi ai (sh) hkrat sum ai-loaded masa hta bungli galaw ra ai lung seng n-gang, n-gang n-gang, htu n-gang hte kaga daw ni. N-gun kaba ai (≈910 MPa) hte kaja ai hkra machyi ai manu gaw, shock loads npu hta bar hpe shim lum hkra galaw ya ai.

Oil & gas hte panglai hkin-gau ntsa na arung arai ni
N-gun n law ai -n-gun ja ai lam (–20℃(sh) dai hta n-ga) nga ai shara ni hta matut mahkai ai daw ni, flanges, hubs, shafts hte brackets ni hpe matut mahkai ra ai. P/S madang n law ai hte laika buk hta ka da ai chyam dinglik ai lam ni a majaw panglai hte panglai bungli masing ni hta hkap la na matu loi ai.

Hpaji hte n-gun-hpaji daw ni
Shaft, axle, pin, gear (matut nna jak hte galaw ngut ai hpang (sh) ntsa lam hpe ngang kang hkra galaw ngut ai hpang), jak a npawt nhpang ni hte transmission arung arai ni gaw, shinggyim masha ni lang ai carbon steel hta grau n-gun ja ra ai.

Wanleng hte n-gun ja ai-mawdaw arung arai ni
Hpa majaw nga yang, n bung ai chemistry, hkan tam lu ai hte shinggrup lu ai (controlled CEV) ra ai shara hta.

Hpyen laknak hte jak rung bar
Chemistry san seng nna, npawt nhpang hpe mung gram lajang da ai majaw, bar gaw pat da ai-die forgings (sh) jak hte galaw ai daw ni a matu kaja ai npawt nhpang rai nga ai. Customers ni gaw hkrang shapraw na matu forge galaw lu nna, re-tempering galaw ngut ai hpang mung, jak madang hpe naw tawn da lu ai.

Katsi ai shara ni hta bungli masing ni
MTC ntsa –20℃hta sakse hkam da ai hkra machyi ai n-gun gaw ndai bar ni hpe dingdung / n-gun n law ai-katsi ai shara ni hta n-gun n rawng ai sha jai lang mai ai hpe madun nga ai.

 

N-hprang n-gang n-gang grup yin

Corrosion-hkap la ai daw ni a matu, masing ni gawn-gang n-gang grup yinCarbon/hpyen n-gun a malaigrup yin nlung-hpa majaw nga yang, hka shin ai tsi mawan ni, panglai hkin-gau hka lim ai, shing nrai chloride-bearing media ni a majaw coating-madung tawn ai makawp maga lam hpe n kam sham lu ai. Octal Pipe gaw alloy bar packages ni a makau kaw n-gun n rawng ai shingnip shingna ni hpe quote galaw ya lu ai majaw mari ai ni gaw laika buk langai hte htaw sa na masing langai hpe tawn da lu ai. 304/304L gaw n-gun n rawng ai hpe ninghkap lu na matu hte 316/316L hpe chloride pitting margin ra ai shara ni hta lawm ai.

 

Ya matut mahkai mai ai

 

 

Amyu	Sanglang dan ai lam
Diameter	5 – 360 mm (hpyen n-gun rawng ai); hpyi shawn ai hte maren hkalem ai (sh) htum mat ai size ni
Shadawn shadang	6 m shingra tara, 3–12 m hpe lajang mai ai
Hkamja lam masa	Roll galaw ai zawn, n-gun rawng ai, Q&T
Anhte shadawn lu ai madang ni	GB/T, ASTM/AISI, EN, sanghpaw li galaw ai (sh) mari ai wa a sumla
Laika ni	Mill chyam dinglik laika (chemistry + jak hpaji + hkra machyi ai lam), shinggyin ai jahpan, npawt nhpang
Jep joi ai lam	Masum ngu na-hpung (SGS / BV) hpe n shagun shi yang lajang mai ai

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