S275- Cov txheej txheem qib steel nrog qhov tsawg kawg nkaus yield zog ntawm 275 N / mm²
S355 - Cov txheej txheem qib steel nrog qhov tsawg kawg nkaus yield zog ntawm 355 N / mm²
S275 thiab S355 yog ob hom hlau qib uas tuaj yeem siv rau ntau yam qauv thiab engineering. Lawv txawv nyob rau hauv lub zog thiab tej zaum yuav siv tau rau nyias lub hom phiaj vim hais tias ntawm lawv tshwj xeeb zoo thiab tshuaj muaj pes tsawg leeg. Lawv tuaj yeem raug txiav txim ntau yam sib txawv xws li tuav, daim hlau, lossis cov blocks uas ua rau lawv yooj yim rau kev ua haujlwm ntawm tes.
S355 yog dab tsi
Qib ntawm cov hlau no muaj zog dua li nws cov S275 counterpart nrog qhov tsawg kawg nkaus lub zog ntawm 355 N / mm2 ua rau nws lub npe S355. Qib no kuj muaj nyob rau hauv phaj, puag ncig bar, tiaj tus bar, thiab txawm muaj nyob rau hauv blocks. S355 yog qhov tsawg ntawm cov kev xaiv carbon, txawm li cas los xij, muaj ntau SI hauv nws cov muaj pes tsawg leeg. Qhov no tsim cov hlau ruaj khov uas siv rau hauv qhov chaw hnyav uas muaj kev cuam tshuam rau huab cua tsis tu ncua xws li nyob rau ntawm ntug dej hiav txwv. Thiab zoo li S275, qib no kuj tuaj yeem raug nplaim taws txiav rau hauv qhov profile thaum thov.
S355, S355JR, S355J2, S355J2+N steel hauv phaj, puag ncig bar, tiaj tus bar thiab blocks. S355 steel yog cov pa roj carbon tsawg uas nws cov kev qhia tshwj xeeb muaj lub zog muaj zog. Qhov nruab nrab qhov tsawg kawg nkaus tawm los rau S355 steel yog 355 N / mm² muab nws lub npe: S355.
BS EN 10025 S275 & S275JR supercedes BS4360 43A thiab 43B.
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Cov tshuaj muaj pes tsawg leeg ntawm S355
| C | SI | MN | S | P | |||
|---|---|---|---|---|---|---|---|
| 0.20 max | 0.55 max | 1.60 max | 0.025 max | 0.025 max |
S355 daim ntawv / phaj kuj tuaj yeem raug nplaim taws txiav rau qhov profile ntawm kev thov.
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Core Commonality (EN 10025-2)
| Performance Indicator | S355 |
|---|---|
| Tensile zog (Rm) | 470-630 MPa (phaj thickness Tsawg dua los yog sib npaug rau 16mm) |
| Elongation (A, 3-40mm) | Ntau dua lossis sib npaug li 22% |
| Impact Toughness (KV, 20 degree) | Ntau dua lossis sib npaug rau 27 J (rau qib JR) |
| Daim ntawv thov tseem ceeb | Load-cov qauv kabmob, siab - lub zog yuav tsum |
| Kev tsim khoom | Kub-rolled, normalized (optional), quenched thiab tempered (rau siab-qib variants) |
S275 yog dab tsi
Qhov no yog cov txheej txheem qib steel uas tuaj yeem tawm qhov tsawg kawg ntawm 275 N / mm2. Qib no ntawm cov hlau, nrog rau S275JR, muaj txiaj ntsig zoo rau ntau yam kev lag luam dav dav thiab cov haujlwm ua haujlwm thiab los ntawm ntau hom, xws li phaj, tiaj tiaj, thiab txawm tias ib puag ncig. Txawm hais tias qib no tsis muaj zog ntawm cov hlau li S355, nws ua haujlwm zoo li cov hlau vuam zoo thiab muaj kev ua haujlwm zoo. Yog hais tias thov peb lub tuam txhab muaj peev xwm yuav nplaim taws txiav ib tug profile rau hauv ib daim ntawv ntawm S275.
S275haum rau ntau yam kev siv engineering thiab cov qauv siv
S275 & S275JR steel tuaj yeem muab tau ntau yam xws li phaj, puag ncig bar thiab tiaj tiaj. S275 muab lub zog qis dua (tshaj li S355) tab sis muaj kev ua haujlwm zoo thiab tuaj yeem txuas tau. Qhov nruab nrab qhov tsawg kawg nkaus tawm los rau S275 steel yog 275 N / mm². Yog vim li cas nws thiaj li hu ua S275.
BS EN 10025 S355, S355JR, S355J2 thiab S355J2+N supercedes BS4360 50A, 50B, 50C 50D.
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Cov tshuaj muaj pes tsawg leeg ntawm S275
| C | SI | MN | S | P | |||
|---|---|---|---|---|---|---|---|
| 0.25 max | 0.50 max | 1.60 max | 0.05 max | 0.04 max |
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Core Commonality (EN 10025-2)
| Performance Indicator | S275 |
|---|---|
| Tensile zog (Rm) | 370-510 MPa (phaj thickness Tsawg dua los yog sib npaug rau 16mm) |
| Elongation (A, 3-40mm) | Ntau dua lossis sib npaug li 23% |
| Impact Toughness (KV, 20 degree) | Ntau dua lossis sib npaug rau 27 J (rau qib JR) |
| Daim ntawv thov tseem ceeb | Cov khoom siv dav dav, tsis yog -load- cov kabmob |
| Kev tsim khoom | Kub- dov, normalized (yeem) |
Qhov ntau thiab tsawg
Hauv qhov dav, S355 thiab S275 dov daim ntawv thiab phaj tuaj yeem mus txog 2000 hli, txawm li cas los xij, lawv muaj qhov tuab ntawm 1.5 txog 25 hli rau txhua qhov hnyav - txoj haujlwm lawv xav tau. Cov ntaub ntawv uas lawv tuaj yeem sib txawv ntawm cov nplooj ntawv thiab daim hlau, puag ncig bar thiab tiaj tus tuav thiab txawm blocks. Yog li, nyob ntawm lub zog ntawm cov hlau xav tau thiab txoj haujlwm nws tau npaj rau, muaj ntau yam sib xyaw ntawm cov duab thiab qhov ntau thiab tsawg uas tuaj yeem muaj.
Qhov txawv tseem ceeb
| Yam khoom | S275 | S355 |
|---|---|---|
| Yield Strength (ReH, Tsawg dua lossis sib npaug li 16mm) | Ntau dua lossis sib npaug li 275 MPa | Ntau dua lossis sib npaug li 355 MPa |
| Load-Bearing Peev Xwm | Nruab nrab; haum rau qis-rau- nruab nrab cov qauv kev ntxhov siab | Siab dua; tuaj yeem tiv taus ntau dua nrog cov ntu nyias |
| Chemical Composition (max%) | C Tsawg dua lossis sib npaug li 0.21; P/S Tsawg dua lossis sib npaug rau 0.045 (JR qib) | C Tsawg dua lossis sib npaug li 0.27; P/S Tsawg dua lossis sib npaug rau 0.045 (JR qib); ntau dua manganese cov ntsiab lus rau kev txhim kho lub zog |
| Qhov hnyav Efficiency | Yuav tsum tau cov ntu tuab kom ua tiav tib lub peev xwm thauj khoom raws li S355 | Cov seem thinner txo qhov hnyav tag nrho, txuag cov khoom siv thiab cov nqi tsheb thauj mus los |
| Daim Ntawv Thov Scope | Cov tsev nyob, lub teeb muaj thav duab, kev txhawb nqa brackets, tsis yog - cov khoom siv tshuab tseem ceeb | Cov choj, cov chaw tsim khoom, cov tshuab hnyav, cov qauv sab nrauv, cov tsev siab -nce, crane nqaj |
| Nqi | Tus nqi qis (kwv yees li 10% -20% pheej yig dua S355) | Tus nqi siab dua; tab sis tus nqi-kev ua tau zoo txhim kho hauv cov haujlwm uas xav tau lub zog siab-rau- qhov hnyav piv |
| Tsawg-Tsuas Variants | S275J0 (0℃cuam tshuam), S275J2 (-20℃cuam tshuam) | S355J0 (0℃cuam tshuam), S355J2 (-20℃cuam tshuam), S355K2 (-20℃siab toughness) |
GNEE Steel kuj muab ntau yam siab- lub zog steel phaj, xws li A514 Qib F, A572 Qib 50, A588 Qib A, S355JR, S690Q, SS400, S690QL, Q345B, Q345E, thiab lwm yam. Yog tias koj xav paub ntau ntxiv txog cov hlau phaj +8615824687445 lossis xa email rauinfo@gneesteels.com. Koj tuaj yeem sab laj nrog peb, thiab peb txaus siab los teb koj cov lus nug.
FAQ
S355JR sib npaug li cas?
S355JR cov qib sib npaug muaj cov tshuaj lom neeg zoo heev thiab cov khoom siv kho tshuab rau cov hlau S355JR. Ob lub S355JR sib npaug qib Q345B, A572 Gr 50, ST52-3, SM490B thiab S355JR steel yog cov khoom tseem ceeb ntawm BBN steel.
Cov yam ntxwv steel qib S355JR yog dab tsi?
S355JR steel muaj lub zog siab - rau - qhov hnyav piv, ua rau nws tsim nyog rau kev siv hauv kev thauj khoom- cov kabmob xws li txuas hniav, cov tsev, thiab cov qauv sab nrauv. Nws muaj qhov tsawg kawg nkaus lub zog ntawm 355 N / mm², ua rau nws yog ib qho ntawm cov qib steel muaj zog tshaj plaws.
Qhov txawv ntawm S355JR thiab J2 yog dab tsi?
Hauv S355JR thiab S355J2 steel, JR thiab J2 qhia tias cov hlau yuav tsum tau ua +20℃cuam tshuam kev xeem thiab -20℃cuam tshuam kev xeem feem. Qhov sib txawv ntawm qhov kub thiab txias yog qhov sib txawv ntawm S355JR thiab S355J2 steel. S355J2 steel tuaj yeem hloov kho kom haum rau qhov ua haujlwm kub qis dua li S355JR steel.
JR txhais li cas hauv steel?
J txhais tau hais tias qhov kev sim tau ua nrog 27 joules ntawm lub zog. Qhov no yog ua raws li R rau chav tsev kub, lossis tus lej xa mus rau qhov ntsuas kub ntawm qhov ntsuas tau ua. Yog li JR yog chav tsev kub (ntxiv rau 20 degrees) J0 yog 0 degrees thiab J2 yog -20 degrees.
Puas yog S355 zoo dua S275?
Qib ntawm cov hlau no muaj zog dua li nws cov S275 counterpart nrog qhov tsawg kawg nkaus lub zog ntawm 355 N / mm2 ua rau nws lub npe S355. Qib no kuj muaj nyob rau hauv phaj, puag ncig bar, tiaj tus bar, thiab txawm muaj nyob rau hauv blocks.
Lub hardness ntawm S355 jr yog dab tsi?
Qib S355JR muaj qhov tsawg kawg nkaus tawm lub zog ntawm 355 MPa. Lub zog cuam tshuam ntawm chav tsev kub ntawm 20℃yog tsawg kawg yog 27 joules.
S355 steel siv rau dab tsi?
Cov qauv hlau no yog siv rau hauv kev tsim cov nkoj thiab kev tsheb ciav hlau. S355 steel kuj pom cov ntawv thov zoo rau kev tsim cov tshuab xws li cranes thiab excavators, nrog rau hauv kev tsim vaj tsev thiab kav dej, cua tshuab thiab twj.
Tus nqi ntawm S355JR ib kg yog dab tsi?
Mild Steel, Qib: S355JR – 0.61 USD/kg|610 USD / ton
Qhov txawv ntawm S275JR thiab S355JR yog dab tsi?
S275JR yog carbon hlau, thaum S355JR yog cov hlau tsis tshua muaj hlau. Ob leeg carbon steel S275JR thiab S355JR qis alloy steel yog nyob rau hauv EN10025-2 tus qauv. S355JR cov hlau tsis tshua muaj hlau yog qib steel siab dua li cov hlau S275JR.
| Lwm cov hlau phaj | ||||
| Lub npe | Khoom siv | Specification (hli) | Tos | Lus ceeb toom |
| Clad steel phaj | P265GH+410,S355JR+410,A516Gr70+316, A537CL1+304L,Q235B+304L,Q345B+304, A516Gr70(NACE)+410,A537CL1+904L, A537CL1+316L,A516Gr70+304L,A537CL1+304 ,A516Gr70+410,A516Gr70+904L |
2-300mm (raws li phaj), 1-50mm (Composited phaj) | / | UT, AR, TMCP.Normalized, Quenched thiab Tempered, Z Direction Test, Charpy V-Ntch impact TestThe Third Party Test, Coated or Shot Blasting and Painting. |
| Tsawg Alloy | Q345A, Q345B, Q345C, Q345D, Q345E, Q390, Q420, Q460C, ST52-3, S355J2+N, SS400, SA302GrC, S275NL, 35CrMo | 6 - 350 | 5788.56 | Normalizing, tempered, tswj dov, kub dov, Kub dov, 1st tshuaj xyuas, 2nd tshuaj ntsuam, 3rd tshuaj ntsuam |
| Pressure Vessel Plate | Q245R, Q345R, Q370R, 16MnDR, 09MnNiDR, 15CrMoR, 14Cr1MoR, 12Cr2Mo1R, SA516Gr60, SA516Gr70, SA516Gr485, SAG281G, SAG281G SA387Gr22, P265, P295, P355GH, Q245R(R-HIC), Q345R(R{30}}HIC) | 3 - 300 | 8650 | Normalizing, tempered, tswj dov, kub dov, Kub dov, 1st tshuaj xyuas, 2nd tshuaj ntsuam, 3rd tshuaj ntsuam |
| High-Plate muaj zog | WH785D/E,Q960D/E,Q890D/E,WH60D/E,WH70B,Q550D,Q590D,Q690D/E | 8 - 120 | 3086.352 | Quenched thiab tempered |
| Hnav-Resistant Phaj | NM360, NM400, NM450, NM500 | 6 - 150 | 3866.297 | Quenched thiab tempered |
| Choj Phaj | Q235qC, Q345qC, Q370qC, Q420qC, Q345qDNH, Q370qDNH, A709 - 50F - 2, A709 - 50T - 2 | 8 - 200 | 2853.621 | Kub dov, normalized, kub dov tswj dov, quenched thiab tempered + toughness thiab brittleness |
