Qhov sib txawv ntawm ASTM A36 thiab S235JR Puas yog ASTM A36 sib npaug rau S235JR?
Tsis yog, ASTM A36 thiab S235JR tsis zoo sib xws, txawm hais tias lawv feem ntau suav hais tias piv rau cov qauv siv dav dav vim muaj cov khoom zoo sib xws. Qhov sib txawv tseem ceeb yog tias ASTM A36 feem ntau muaj qhov siab tshaj qhov ua tau zoo (250 MPa) piv rau S235JR (235 MPa).
S275JR tsis zoo li ASTM A36vim nws cov txiaj ntsig siab dua thiab lub zog tensile thiab cov tshuaj sib txawv me ntsis. Rau cov haujlwm uas xav tau kev sib tw tiag tiag rau A36, S235JR yog qhov sib npaug ze dua.
Steel S235JR VS A36 khoom
Rau steel S235JR, "S" yog cov ntawv luv ntawm cov qauv hlau. Lub sij hawm "235" yog hais txog qhov tsawg kawg nkaus yield zog (MPa) rau steel thickness tsawg dua 16 hli. Lub "JR" qhia txog lub zog-txog qib zoo ntawm Charpy impact test (27 J, 20℃kub).
ASTM A36 cov ntaub ntawv sib npaughlau S235JR. Hauv qab no yog rau steel S235JR VSA36 khoom.
Hlau S235JR VS A36 cov khoom siv hauv tshuaj lom neeg:
| Qib | C (t Tsawg dua lossis sib npaug li 16 hli) | Si | Mn | P | S | Cu | N |
| Steel S235JR | 0.19 max | - | 1.5 max | 0.045 max | 0.045 max | 0.60 max | 0.014 max |
| A36 khoom | 0.26 max | 0.40 max | - | 0.040 max | 0.050 max | 0.20 min | - |
Steel S235JR VS A36 cov khoom siv hauv cov khoom siv kho tshuab:
| Qib | Yield zog ReH/(N/mm2) (t Tsawg dua los yog sib npaug rau 16mm) min | Tensile zog Rm / (N / mm2) (3mm Tsawg dua lossis sib npaug t Tsawg dua lossis sib npaug li 16mm) | Elongation A /% (3mm Tsawg dua lossis sib npaug t Tsawg dua lossis sib npaug li 40mm) min | Charpy V test | |
| Kub / degree | Lub zog cuam tshuam (Longitudinal) / J min | ||||
| Steel S235JR | 235 | 360-510 | 26 | +20 | 27 |
| A36 khoom | 250 | 400-550 | 23 | - | - |
Steel S235JR thiab A36 cov khoom muaj qhov sib txawv me ntsis tab sis ntau cov ntsiab lus hauv cov tshuaj muaj pes tsawg leeg thiab cov khoom siv kho tshuab. Rau feem ntau cov haujlwm, lawv tuaj yeem ua tau raws li qhov xav tau ntawm ib leeg. Tab sis kuj tseem muaj kev zam, uas yuav tsum tau xyuas nrog engineers.
Thaum twg xaiv qhov twg, S235JR VS A36?
Siv S235JR rau:Cov phiaj xwm hauv cheeb tsam uas ua raws li cov qauv European lossis xav tau kev kuaj xyuas qhov hnyav.
Siv ASTM A36 rau:Cov phiaj xwm hauv cheeb tsam uas ua raws li Asmeskas cov qauv lossis qhov twg qhov kev xav tau siab dua me ntsis siab dua.
Nco ntsoov xyuas:Tshawb xyuas qhov project tsim specifications thiab cov cai hauv zos, nrog rau sab laj nrog engineers rau kev hloov khoom siv, tshwj xeeb tshaj yog qhov tseeb cov khoom lossis kev ua raws li qhov tseem ceeb.
ASTM A36 sib npaug li cas?
ASTM A36 muaj ntau qhov sib npaug hauv cov qauv thoob ntiaj teb, suav nrog S235JR (European), SS400 (Japanese), Q235B (Suav), thiab St 37-2 (German). Lwm qhov sib npaug suav nrog 260W (Canadian), E250 (Indian), thiab E 235 (ISO). Thaum xaiv qhov sib npaug, nws yog ib qho tseem ceeb uas yuav tsum xav txog qhov muaj nyob hauv cheeb tsam thiab cov khoom siv kho tshuab thiab tshuaj lom neeg tshwj xeeb.
Kev sib npaug thoob ntiaj teb rau ASTM A36
|
Txuj |
Qib sib npaug |
|---|---|
|
European (EN 10025-2: 2004) |
S235JRG2 los yog S275 |
|
Japanese (JIS G3101) |
SIB 400 |
|
Suav (GB 700-88) |
Q235B |
|
German (DIN 17100) |
Peb 37-2 |
|
Canadian (CSA G40.21-13) |
260W |
|
Indian (IS2002) |
E250 |
|
ISO (630:1995 A1:2003) |
E 235 (Fe 360) |
Dab tsi yog ASTM sib npaug ntawm S235JR?
ASTM A36
Cov ntaub ntawv sib npaug:
ASTM A36: ASTM A36 yog ib qho American standard carbon structural steel specification, uas yog feem ntau siv nyob rau hauv cov qauv siv. Nws yog ze tshaj rau S235JR hais txog tshuaj muaj pes tsawg leeg.
Dab tsi yog qhov sib npaug rau S355JR steel?
S355JR steel yog sib npaug rau ntau qib thoob ntiaj teb, nrog rau qhov sib npaug tshaj plaws yog ASTM A572 Qib 50 (USA) thiab ST52-3 (Lub Tebchaws Yelemees). Lwm qhov sib npaug suav nrog JIS SM490A (Nyiv) thiab GB Q345B / Q355B (Tuam Tshoj), nrog rau cov qib tshwj xeeb los ntawm lwm cov qauv hauv tebchaws xws li BS 4360 50 B thiab NFA 35501 E 36-2.
|
Txuj |
Qib sib npaug |
|---|---|
|
ASTM (USA) |
A572 Qib 50 |
|
DIN (Lub teb chaws Yelemees) |
TSI 52-3 |
|
JIS (Nyiv) |
SWB 490A |
|
GB / T (Tuam Tshoj) |
Q345B (laus dua) / Q355B (tam sim no) |
|
BS (UK) |
4360 50 B |
|
NFA (Fabkis) |
E 36-2 |
|
UNI (Ltalis) |
Ib 510 B |
|
UNE (Spain) |
AB 355 B |
Dab tsi yog qhov sib npaug rau S275JR steel?
Cov qib sib npaug rau S275JR suav nrog ASTM A529 Gr. 50 hauv Asmeskas, St 44-2 hauv Tebchaws Yelemees, thiab SS400 hauv Nyij Pooj. Thaum ASTM A36 feem ntau siv sib hloov hauv ntau daim ntawv thov kev ntxhov siab, nws tsis yog qhov sib npaug ncaj qha vim nws muaj qhov qis qis qis zog (250N / mm)2vs.275N / hli2) thiab tsis muaj qhov yuav tsum tau ua Charpy V-qhov ntsuas qhov cuam tshuam rau S275JR.
|
Txuj |
Qib |
|---|---|
|
Teb Chaws Asmeskas (ASTM / ASME) |
A529 Gr . 50 |
|
Lub teb chaws Yelemees (DIN/WNr) |
Ib 44-2 |
|
Nyiv (JIS) |
SIB 400 |
|
US (ASTM) |
A570 Gr . 40 |
|
Fabkis (NF) |
E28-2 |
Dab tsi ntawm cov hlau yog ASTM A36?
qis carbon
Tshuaj muaj pes tsawg leeg
A36 steel phaj yog suav tias yog acarbon tsawg, los yog me me, steel, txhais tau tias nws muaj cov pa roj carbon monoxide ntawm 0.05% mus rau 0.25%.
Dab tsi yog cov khoom siv S275JR?
S275JR yog cov qauv steel qib raws li European tus qauv EN 10025. Nws yog qis -carbon, siab- tensile lub zog steel nrog qhov tsawg kawg nkaus lub zog ntawm 275 MPa, ua rau nws tsim nyog rau kev tsim kho, kev siv cov qauv, thiab kev sib sau txias vim nws zoo weldability thiab formability. Lub "JR" nyob rau hauv lub npe qhia tias cov hlau muaj ib tug guaranteed cuam tshuam lub zog ntawm 27Joules ntawm chav tsev kub.
Qhov txawv ntawm S235JR thiab S275JR yog dab tsi?
S235JR muaj qhov tsawg kawg nkaus lub zog ntawm 235 MPa, thaum S275JR muaj qhov tsawg kawg nkaus lub zog ntawm 275 MPa. Qhov no txhais tau hais tias S275JR muaj zog dua S235JR thiab feem ntau yog siv rau kev thov ntau dua, xws li cov tshuab hnyav, siab - cov tsev nce siab, thiab cov qauv loj.
Puas yog A36 steel tib yam li qib 50?
A572 Steel (Qib 50) Muaj pes tsawg leeg:Muaj cov ntsiab lus zoo sib xws rau A36 tab sis nrog cov ntsiab lus tshwj xeeb siab dua kom muaj zog ntxiv; suav nrog carbon (txog 0.23%), manganese (1.35%), phosphorus (txog 0.035%), sulfur (txog 0.040%), silicon (txog 0.40%), thiab columbium-vanadium (0.05%).
Qhov sib npaug ntawm S355JR rau A36 yog dab tsi?
S355JR thiab A36 yogtsis ncaj qha sib npaug, raws li S355JR muaj zog ntau dua (yield 355 MPa vs. A36's 250 MPa) thiab lav qhov cuam tshuam toughness, ua kom ze rau ASTM A572 Qib 50 dua A36. A36 feem ntau sib npaug rau S235JR (yield 235 MPa), qis dua EN qib.
EN 10025 S235JR ASTM sib npaug steel qib yog dab tsi?
EN 10025 S235JR ASTM sib npaug steel qib yogASTM A36ASTM A283 Qib C / A283 Gr.C / A283C. Tau kawg, ASME SA36, ASME SA283 Qib C / SA283 Gr.C / SA283C steel yog sib npaug rau EN 10025 S235JR qib, ib yam nkaus.
S235JR A36 A283C steel tshuaj muaj pes tsawg leeg:
| Qib | C (t Tsawg dua lossis sib npaug li 16mm) | Si | Mn | P | S | Cu | N |
| S235 JR | 0.19 max | - | 1.5 max | 0.045 max | 0.045 max | 0.60 max | 0.014 max |
| A36 | 0.26 max | 0.40 max | - | 0.040 max | 0.050 max | 0.20 min | - |
| A283C | 0.24 max | 0.04 max | 0.09 max | 0.035 max | 0.040 max | 0.20 min |
S235JR A36A283C steel phajSheet mechanical zog:
| Qib | Yield zog ReH / (N / mm2) | Tensile zog Rm / (N / mm2) (3mm Tsawg dua lossis sib npaug t Tsawg dua lossis sib npaug li 16mm) | Elongation A/% |
| (t Tsawg dua lossis sib npaug li 16mm) min | (3mm Tsawg dua lossis sib npaug t Tsawg dua lossis sib npaug li 40mm) min | ||
| S235 JR | 235 | 360-510 | 26 |
| A36 | 250 | 400-550 | 23 |
| A283C | 205 | 380-515 | 25 |
Dab tsi yog ASTM cov khoom sib npaug rau S355JR?
A572 Qib 50
Nrog rau qhov tsawg kawg nkaus lub zog ntawm 50 ksi, EN structural steel S355JR ua tau raws li cov kev cai hauv chemistry thiab lub cev muaj zog zoo ib yam li cov khoom siv ASTMA572 Qib 50. Uas yog hais, EN structural steel S355JR sib npaug ASTM cov khoom yog A572 Qib 50.
Dab tsi ua rau A36 steel thiaj li nrov?
Lub phaj steel no paub txog nwssiab zog, formability, thiab weldability. Nws kuj yog ib qho zoo heev magnetic teb conductor. Ua ke, cov txiaj ntsig no ua rau A36 yog ib qho ntawm feem ntau - siv qib carbon steel. American Society for Testing and Materials (ASTM) tau xaiv nws A36.
Qib sib npaug ntawm S275 yog dab tsi?
S275-JR Cov Qib sib npaug
| Txuj | Qib sib npaug |
|---|---|
| EN (European Norm) | S275 JR |
| ASTM (American Society for Testing and Materials) | ASTM A36, ASTM A283 Qib C |
| DIN (Deutsches Institut für Normung - German) | Qhov 44-2 |
| JIS (Japanese Industrial Standards) | SIB 400 |
Dab tsi yog cov cuab yeej cuab tam sib txawv ntawm S355JR thiab ASTM A36?S355JR muaj qhov tsawg kawg nkaus lub zog ntawm 355 MPa thiab tensile lub zog ntawm 470-630 MPa, whereas ASTM A36 muaj qhov tsawg kawg nkaus lub zog ntawm 250 MPa thiab tensile zog ntawm 400-550 MPa.
