ASTM A36 yog dab tsi?
ASTM A36 yog qhov tseem ceeb tshaj plaws ntawm cov qauv hlau npog los ntawm ASTM cov qauv hauv Tebchaws Meskas. Lub npe "36" yog hais txog nws qhov tsawg kawg nkaus tawm lub zog ntawm 36 ksi (kwv yees li 250 MPa). Nws npog yuav luag tag nrho cov qauv tsim, nrog rau cov hlau phaj, cov qauv ntu, cov kab puag ncig thiab cov kab tiaj tus.
Nws yog dav siv rau cov haujlwm ua raws li AISC cov qauv thoob plaws hauv North America. Tsis muaj qhov yuav tsum tau kuaj xyuas yog teev nyob rau hauv tus qauv specification.
Cov ntawv thov raug:
Qib phaj no feem ntau yog siv rau cov qauv ntawm North American factories, txoj kev loj choj Cheebtsam, cov khoom hnyav hauv paus, cia racking, thauj trailers, mechanical support thav ntawv, cov qauv marine theem, guardrails thiab dav carbon steel fabrication.
S235JR yog dab tsi?
S235JR yog ib qho tseem ceeb ntawm cov qauv hlau uas tau teev tseg raws li European tus qauv EN 10025-2.
S= Cov qauv hlau
235= Yam tsawg kawg nkaus tawm lub zog ntawm 235 MPa
JR= Charpy V-qhov ntsuas qhov ntsuas qhov xav tau ntawm 20℃nrog lub zog tsawg kawg nkaus ntawm 27 J
Nws cov ntsiab lus tsis tshua muaj carbon muab cov weldability zoo heev. Daim npav CE yog qhov yuav tsum tau ua rau kev nkag mus rau kev lag luam hauv European Union.
Cov ntawv thov raug:
Qib no feem ntau siv rau EU kev lag luam cog kev tsim kho, European siv tshuab ua haujlwm thav duab, ntim khoom, pab txhawb cua turbine, steel platform qauv, railway carriages, yeeb nkab txhawb nqa, lub tsev scaffolding, thiab tag nrho cov qauv fabricated khoom bearing CE cim.
Q235B yog dab tsi?
Q235B yog qhov feem ntau siv qis- carbon structural steel hauv Suav teb, teev hauv GB / T 700.
Q= Yield zog
235= Yam tsawg kawg nkaus tawm lub zog ntawm 235 MPa
B= Charpy impact test yuav tsum tau ntawm 20 degree
Nws nta cov khoom loj hauv tsev, khoom ruaj khov thiab cov nqi sib tw. Dav siv nyob rau hauv lub tsev steel lug, mechanical kev txhawb nqa, racking thiab infrastructure ua hauj lwm, nws yog ib tug nquag xaiv cov khoom rau Suav export khoom.
Cov ntawv thov raug:
Qib no yog siv dav rau cov tsev lag luam hauv tsev, cov tsev tsim khoom steel, kev thauj khoom racking, lub teeb machinery casings, txoj kev guardrails, welded kav, pej thuam kev txhawb nqa, prefabricated steel qauv, kev txhawb nqa dav dav, thiab Belt and Road Initiative infrastructure projects.
SS400 yog dab tsi?
SS400 ua raws li Japanese tus qauv JIS G3101. SS stands rau cov qauv hlau; 400 qhia qhov tsawg kawg nkaus tensile zog ntawm 400 MPa.
Tsis muaj kev txwv nruj yog txwv rau cov ntsiab lus manganese. Nws yog dav siv rau cog kev tsim kho thiab tshuab thav duab hauv Nyiv, Nyab Laj, Thaib teb thiab lwm cov lag luam Esxias sab hnub tuaj. Tsis muaj qhov yuav tsum tau ua kom muaj kev cuam tshuam los ntawm tus qauv.
Cov ntawv thov raug:
Cov qib no tau txais kev pom zoo rau kev tsim kho Nyij Pooj, cov chaw ua haujlwm sab hnub tuaj Esxias sab hnub tuaj, cov khoom siv tsheb thib ob, cov tshuab ua liaj ua teb, cov qauv chaw nres nkoj yooj yim, hnub ci mounting brackets, steel formwork thiab cov khoom siv rau Japanese - hom tshuab.
St37-2 yog dab tsi?
St37-2 los ntawm German tus qauv DIN 17100 thiab tau raug hloov los ntawm S235JR.
Tam sim no nws tsuas yog tshwm sim ntawm cov cuab yeej cuab tam qub txeeg qub teg thiab kev kho dua tshiab. St37-2 tsis tau teev tseg rau cov haujlwm tshiab tsim thoob plaws Tebchaws Europe.
Cov ntawv thov raug:
Qib no yog siv rau kev saib xyuas thiab cov khoom seem ntawm vintage German mechanical khoom, retrofits ntawm qub European factories ua nyob rau hauv lub xyoo pua xeem, thiab cov khoom hloov pauv rau cov kab ntau lawm. Nws tsis pom zoo rau kev tsim kho tshiab.
A283 Qib C yog dab tsi?
A283 Qib C yog ASTM qib steel siv tshwj xeeb rau cov hlau phaj. Nws tsis tuaj yeem siv rau H- kab teeb, lub kaum sab xis lossis lwm yam khoom siv.
Nws lub zog tawm los yog qis dua li ntawm A36. Nws yog tsuas yog siv rau cov tso tsheb hlau luam dav dav, cov phaj phaj thib ob thiab tsis yog - cov qauv welded phaj tseem ceeb hauv North America.
Cov ntawv thov raug:
Cov qib no feem ntau yog siv rau qis- siab atmospheric cia tso tsheb hlau luam, tsis yog- thauj khoom- cov kabmob casing daim hlau, cov khoom vaj tse vaj huam sib luag, yooj yim welded silos, duct daim hlau, lub hauv paus phaj rau lub teeb machinery thiab tsis yog - cov phaj dynamic hauv North America.
A36 S235JR Q235B SS400 ST37 A283 Qib C Carbon Steel Phaj Specification
| Yam khoom | Kev piav qhia |
|---|---|
| Khoom | Carbon Steel Phaj / Structural Steel Phaj |
| Qib Steel | ASTM A36, S235JR, Q235B, SS400, ST37, ASTM A283 Qib C |
| Cov qauv | ASTM A36 / A36M, EN 10025-2, GB / T 700, JIS G3101, DIN 17100, ASTM A283 / A283M |
| Thickness | 3-300 hli |
| Dav | 1,000–4,000 mm |
| Ntev | 2,000–18,000 mm |
| Kev tsim khoom | Kub Rolled |
| Kev Xa Khoom | Raws li Rolled, Normalized Rolling, lossis Normalized (nyob ntawm qib) |
| Nto tiav | Mill Finish, Txhaj Blasted, pleev xim rau (yeem) |
| Txiav Service | Nplaim txiav, Laser txiav, Plasma txiav, Dej dav hlau txiav |
| Kev tshuaj xyuas | Tshuaj ntsuam xyuas, Tensile Test, Yield Strength Test, Dimension Inspection, Ultrasonic Test (yeem) |
| Daim ntawv pov thawj | EN 10204 3.1 / 3.2, Mill Test Certificate (MTC) |
| Daim ntawv thov | Steel Structures, Choj, Machinery, Cia Tank, Siv Khoom Siv, Kev Fabrication General |
A36 vs S235JR vs Q235B vs SS400 vs ST37 vs A283 Qib C: Chemical Composition
| Qib | C | Mn | Si | P | S |
|---|---|---|---|---|---|
| A36 | 0.26 | 1.20 | - | 0.040 | 0.050 |
| S235 JR | 0.17 | 1.40 | - | 0.035 | 0.035 |
| Q235B | 0.20 | 1.40 | 0.35 | 0.045 | 0.045 |
| TSI 400 | 0.20 | Tsis txwv | - | 0.050 | 0.050 |
| Qhov 37-2 | 0.21 | - | - | 0.065 | 0.065 |
| A283 Gr.C | 0.24 | 0.90 | 0.40 | 0.040 | 0.050 |
A36 vs S235JR vs Q235B vs SS400 vs ST37 vs A283 Qib C: Mechanical Property
| Qib | Min Yield zog (MPa) | Tensile zog (MPa) | Min Elongation | Standard Impact @20 degree |
|---|---|---|---|---|
| A36 | 250 | 400–550 | 20% | Tsis xav tau |
| S235 JR | 235 | 360–510 | 26% | 27J |
| Q235B | 235 | 370–500 | 26% | 27J |
| TSI 400 | 245 | 400–510 | 21% | Tsis xav tau |
| Qhov 37-2 | 235 | 360–480 | 25% | 27J |
| A283 Gr.C | 205 | 380–515 | 25% | Tsis xav tau |
A36 vs S235JR vs Q235B vs SS400 vs ST37 vs A283 Qib C: Welding Performance Comparison
| Qib | Cov pa roj carbon sib npaug | Vuam tswv yim | Kev ceeb toom txwv |
|---|---|---|---|
| A36 | Nruab nrab | Thin plates free welding; preheat ≥75℃ for thickness >25 hli | Siab dua max carbon txaus ntshai ntawm hardening |
| S235 JR | Tsawg | Preheating feem ntau tsis tsim nyog | Weldability zoo tshaj plaws ntawm txhua qib |
| Q235B | Tsawg- nruab nrab | Cov txheej txheem vuam ib txwm rau feem ntau tuab | Dav tshawb xyuas los ntawm domestic fabricators |
| TSI 400 | Hloov pauv | Preheat pom zoo rau tuab phaj | Unrestricted Mn ua rau cov khoom tsis sib xws |
| Qhov 37-2 | Nruab nrab | Tib txheej txheem raws li S235JR | Siab impurity txwv, zam qhov tseem ceeb welding pob qij txha |
| A283 Gr.C | Nruab nrab | Haum rau yooj yim phaj vuam | Tsis pom zoo rau cov qauv dynamically loaded |
Cov Lus Qhia Txog Kev Muag Khoom & Kev Xaiv Khoom
Export rau European Union (CE cim yuav tsum tau)
Xaiv S235JR. Tsis txhob hloov nrog A36 lossis Q235B yam tsis muaj daim ntawv pov thawj thib peb - tog. St37-2 tsuas yog siv rau kev kho dua tshiab. Kev cuam tshuam zoo ib yam thiab cov tshuaj lom neeg muaj pes tsawg leeg tswj xyuas kom ua raws li kev soj ntsuam CE.
Cov haujlwm ua raws li US AISC / ASTM Standards
Qib Siab: ASTM A36. Qhov chaw tiaj tus tsuas yog yuav tsum tau rau cov uas tsis yog - cov tso tsheb hlau luam tseem ceeb, xaiv A283 Qib C. Paub meej tias yuav tsum tau kuaj ultrasonic (UT) ua ntej xaj.
Cov phiaj xwm hauv Suav teb hauv Suav & qis- Nqi xaj ntau
Xaiv Q235B. Nws nta cov khoom ruaj khov, lub sijhawm luv luv thiab cov nqi sib tw, xa cov khoom zoo sib xws rau kev tsim khoom ntawm cov qauv hlau dav dav.
Export rau Nyiv, Thaib teb, Nyab Laj thiab lwm yam kev lag luam sab hnub tuaj Asia
Ua raws li kev kos duab tshwj xeeb: Qhov twg SS400 tau teev tseg, SS400 yuav tsum ua qhov tseem ceeb. Q235B tej zaum yuav raug txiav txim siab rau tsis yog- cov khoom tseem ceeb. Nco ntsoov cov variations nyob rau hauv mechanical zog ntawm ntau lawm batch.
Kho & Retrofit ntawm Legacy German Equipment
S235JR tuaj yeem siv los hloov pauv rau St37-2 raws li qhia hauv thawj cov duab kos. S235JR tau txais txiaj ntsig los ntawm kev txhim kho kev tswj hwm niaj hnub zoo dua piv rau St37-2 tsis siv.
Tsawg-Cov Kev Pabcuam Kub Kub (<0°C)
Ua ntej cov qhab nia nrog qhov yuav tsum tau ua raws li cov qauv kev sim: S235JR / Q235B. Zam cov qib xws li A36, SS400 thiab A283 Qib C tshwj tsis yog raug txiav txim rau kev ntsuas qhov cuam tshuam.
Kev Ceeb Toom Tseem Ceeb: Nco ntsoov thov daim ntawv pov thawj Mill Test (MTC) ua ntej xa khoom. Cov ntaub ntawv qhia nyob rau hauv MTC yuav tsum sib haum mus rau qib steel xaj. GNEE tuaj yeem muab cov ntaub ntawv xeem ntsuas raws li cov khoom tsim tawm tiag tiag.
Nyem kom tau txais MTC rau qib uas cuam tshuam
Vim li cas thiaj xaiv GNEE Steel?
GNEE Steel yog ib tus kws tshaj lij ntawm cov pa roj carbon steel phaj thiab seem hlau nrog ISO, CE thiab ASME ntawv pov thawj. Peb txhawb nqa thoob ntiaj teb cov neeg yuav khoom los ntawm cov qib rau qib steel me me:
Ua kom tiav cov khoom portfolio:Kub dov phaj, tiaj tiaj, H-beam, lub kaum sab xis steel, channel steel rau A36, S235JR, Q235B, SS400; A283 Qib C steel phaj khoom.
Cov ntaub ntawv Standardized:Cov ntawv tshaj tawm MTC cov ntawv xeem, cov ntawv xa nyiaj ua lag luam, cov ntawv ntim khoom, daim ntawv pov thawj ntawm cov hauv paus chiv keeb kom tau raws li kev lis kev cai thoob ntiaj teb. Tag nrho MTC muaj cov ntaub ntawv kuaj lub Hoobkas tiag.
FAQ
A36 puas tuaj yeem hloov S235JR ncaj qha?
ASTM A36 tuaj yeem hloov pauv S235JR ncaj qha rau feem ntau cov qauv siv, tab sis nws tsis yog qhov tseeb 1: 1 match. Lawv sib faib cov txiaj ntsig zoo thiab cov khoom tensile, txawm tias ASTM A36 muaj lub zog loj dua me ntsis thiab cov cai sib txawv yuav tsum tau ua.
Puas yog Q235B tag nrho sib npaug rau S235JR?
Tsis yog, Q235B tsis zoo li S235JR. Thaum lawv raug kho raws li kev lag luam sib tw nrog cov txiaj ntsig zoo sib xws, lawv koom nrog cov qauv hauv cheeb tsam sib txawv -Suav thiab European- thiab muaj qhov sib txawv me me ntawm cov tshuaj txwv thiab cov cai xeem.
Qib twg muaj qhov zoo tshaj plaws weldability?
Tsawg- carbon steels xws li ASTM A36, 1018, thiab cov hlau me me muab qhov zoo tshaj plaws thiab yooj yim weldability. Lawv muaj cov ntsiab lus carbon tsawg heev (hauv qab 0.3%), txhais tau tias koj tuaj yeem welding zoo yam tsis tas yuav tsum tau preheat cov hlau los yog txhawj xeeb txog kev tawg.
Q235B puas tuaj yeem siv rau North American A36-tsim cov haujlwm?
Yog lawm, Q235B feem ntau tuaj yeem siv rau tsis yog - tseem ceeb North American A36-tsim cov haujlwm, tab sis lawv muaj cov khoom sib txawv me ntsis thiab raug tswj hwm los ntawm cov qauv sib txawv.
