ASTM A 276 304 Stainless Hlau Bar yog dab tsi?
ASTM A276 304 Stainless Steel Bar yog cov khoom ua haujlwm kub lossis txias ua tiav cov khoom ua tau raws li ASTM A276 thiab yog tsim los ntawm Hom 304 (UNS S30400) austenitic stainless hlau. Nws muaj pes tsawg leeg muaj nyob nruab nrab ntawm 18 thiab 20% chromium thiab nruab nrab ntawm 8 thiab 11% npib tsib xee, uas muab nws zoo heev corrosion kuj, formability thiab weldability. Nws yog dav siv nyob rau hauv cov teb xws li tshuaj ua, khoom noj khoom haus kev lag luam khoom, architectural Cheebtsam, fasteners thiab mechanical qhov chaw.
ASTM A 479 304 Stainless Hlau Bar yog dab tsi?
ASTM A479 304 stainless hlau bar yog cov khoom kub ua haujlwm lossis txias ua tiav cov khoom lag luam uas ua tau raws li cov lus qhia ntawm ASTM A479 / A479M. Tshwj xeeb yog tsim los siv rau hauv boilers, siab hlab ntsha thiab cov khoom siv nyob rau hauv qhov kub thiab txias, nws yog tsim los ntawm hom 304 (UNS S30400) austenitic stainless hlau. Nws cov tshuaj muaj pes tsawg leeg yog tus cwj pwm los ntawm muaj nyob nruab nrab ntawm 18 thiab 20% chromium thiab nruab nrab ntawm 8 thiab 11% npib tsib xee, nrog rau cov ntsiab lus siab tshaj ntawm 0.08%. Cov khoom siv no yog qhov zoo tagnrho rau kev siv cov khoom siv hluav taws xob sib txawv, condensers, flanges, li qub, nrog rau ntau yam khoom siv hauv cov tshuaj, petrochemical, marine engineering thiab kev lag luam tshuaj.
ASTM A276 304 vs. ASTM A479 304 Stainless Hlau Bars
304 stainless hlau bar
| Specification | Bars A 276 304 | Bars A 479 304 |
|---|---|---|
| Standard daim ntawv thov | Bars thiab profiles rau cov qauv thiab kev lag luam | Bars rau cov hlab ntsha siab, boilers thiab siab kub thiab corrosion kev pab cuam |
| Qib | 304 | 304 |
| UNS npe | S30400 | S30400 |
Tshuaj muaj pes tsawg leeg (%)
| Element | ASTM A 276 304 | ASTM A 479 304 |
|---|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.08 | Tsawg dua lossis sib npaug li 0.08 |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 2.00 | Tsawg dua lossis sib npaug li 2.00 |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.045 | Tsawg dua lossis sib npaug li 0.045 |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.030 | Tsawg dua lossis sib npaug li 0.030 |
| Silicon (Yog) | Tsawg dua lossis sib npaug li 1.00 | Tsawg dua lossis sib npaug li 1.00 |
| Chromium (Cr) | 18.00 – 20.00 dr hab | 18.00 – 20.00 dr hab |
| Nickel (Ni) | 8.00 – 10.50 dr hab | 8.00 – 10.50 dr hab |
| Nitrogen (N) | Tsawg dua lossis sib npaug li 0.10 | Tsawg dua lossis sib npaug li 0.10 |
| Hlau (Fe) | So | So |
Mechanical zog
| Khoom | ASTM A 276 304 | ASTM A 479 304 |
|---|---|---|
| Tensile zog | Ntau dua lossis sib npaug rau 515 MPa (75 ksi) | Ntau dua lossis sib npaug rau 515 MPa (75 ksi) |
| Elastic txwv (0.2%) | Ntau dua lossis sib npaug rau 205 MPa (30 ksi) | Ntau dua lossis sib npaug rau 205 MPa (30 ksi) |
| Elongation | Ntau dua lossis sib npaug li 40% | Ntau dua lossis sib npaug li 35% |
| Hardness | Tsawg dua lossis sib npaug rau 92 HRB | Tsawg dua lossis sib npaug rau 92 HRB |
| Qhov ntom | 7.93 g/m² | 7.93 g/m² |
| Modulus ntawm elasticity | 193 gp ua | 193 gp ua |
ASTM A276 304 vs. ASTM A479 304 Stainless Hlau Bars: Yuav Xaiv qhov twg?
Yog tias koj qhov project yuav tsum tau ua raws li ASME Boiler thiab Pressure Vessel (B&PV) Code - feem ntau xaiv ASME SA479-, ces koj yuav tsum xaiv ASTM A479. Txawm li cas los xij, yog tias koj tab tom yuav cov khoom siv raw rau kev tsim khoom, machined qhov chaw, lossis cov khoom siv tes ua, ASTM A276 yog qhov kev xaiv zoo tshaj plaws thiab ntau yam.
Nqe ib kg ntawm ASTM A stainless hlau tuav 276 304
Tus nqi ntawm ASTM A276 Hom 304/304L stainless hlau tuav feem ntau yog li ntawm $ 4.00 txog $ 8.00 ib phaus (rau cov khoom lag luam txheem); Txawm li cas los xij, rau cov khw muag khoom me me, kev ua tiav tshwj xeeb, lossis cov khoom lag luam raug txiav-rau-loj, cov nqi tuaj yeem nce mus rau ntau dua, ntawm $ 12.00 thiab $ 25.00 ib kilogram.
Nqe ib kg ntawm ASTM A stainless hlau tuav 479 304
Thaum xaj khoom lag luam wholesale ASTM A479 304 stainless hlau tuav ncaj qha los ntawm lub Hoobkas, tus nqi feem ntau yog li ntawm $ 1.85 txog $ 4.00 ib phaus (kwv yees li $ 0.85 txog $ 1.80 ib phaus). Txawm li cas los xij, rau cov khoom txiav ntawm cov khw muag khoom me me, lossis rau cov tuav uas yuav tsum tau ua tiav, tus nqi nce ntawm $ 5.00 mus rau ntau dua $ 15.00 ib phaus, nyob ntawm tus neeg muag khoom thiab cov txheej txheem tsim khoom.
ASTM A276 / A 479 304 Stainless Hlau Bar Chaw Muag Khoom
Peb muab ntau yam ntawm 304 stainless hlau tuav, tag nrho customizable kom tau raws li koj qhov project tshwj xeeb:
Ntau yam duab: Round bars, hexagonal bars, square bars thiab tiaj tus tuav.
Dual Certification: Txhua bar tau ntawv pov thawj rau * ib txhij * ua raws li ASTM A276 (General Qib) thiab ASTM A479 (Pressure Vessel Grade). Surface finishes:
Dub nto (Kub dov / Forged)
Glossy nto (Cold drawn / Centerless av / Polished)
Stripped nto (kub kho thiab descaled)
Kev Pabcuam Tus Nqi Ntxiv:
Precision txiav: Kev cai txiav kev pabcuam nrog kev tswj xyuas nruj heev.
Chamfering: Chamfering ntawm qhov kawg ntawm cov tuav kom pab txhawb kev ua haujlwm tom ntej.
Precision sib tsoo: Tso cai rau ultra-siab precision txoj kab uas hla (h8, h9, f7) ua tiav.
304 Stainless Hlau Round Bars
304 Stainless Hlau Hexagon Bars
Hu rau peb tam sim kom tau txais cov lus sib tw heev thiab cov qauv tag nrho ntawm peb MTC (Mill Test Certificate). Email:es@gescosteel.com
