ASTM A240 Stainless Hlau Phaj Specs, Qib & Nqe 2026
Apr 12, 2023
ASTM A240 Stainless Hlau Phaj Khoom Qib Specification
ASTM A240/A240M-23: Txuj Specification rau Chromium thiab Chromium-Nickel Stainless Hlau Phaj, Sheet, thiab Sawb rau Cov Vev Xaib Siab thiab rau Kev Siv Dav Hlau
Nyob rau hauv 2026, lubTus nqi ntawm ASTM A240 cov khoom siv feem ntau yog li ntawm $ 2,200 txog $ 5,800 ib tuj, nyob ntawm qib (piv txwv li, 304, 316L, lossis Duplex 2205). Nws superior corrosion kuj thiab siab mechanical zog ua rau nws tseem ceeb rau kev ua tshuaj lom neeg, roj & roj, thiab industrial cia tso tsheb hlau luam.
ASTM A240 stainless hlau tus qauv qhia cov tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, thiab lwm yam uas yuav tsum tau muaj rau cov khoom siv hlau stainless -.
ASTM A 240 A 240M Phaj Chemical Composition
| Qib | UNS | C Tsawg dua los yog sib npaug | Mn | P Tsawg dua lossis sib npaug | S Tsawg dua los yog sib npaug | Si Less than los sib npaug | Cr | Mo | Ni | Cu |
| 304 | S30400 | 0.07 | 2 | 0.045 | 0.03 | 0.75 | 17.5-19.5 | - | 8.0-10.5 | / |
| 304L | S30403 | 0.03 | 2 | 0.045 | 0.03 | 0.75 | 17.5-19.5 | - | 8.0-12.0 | / |
| 304H | S30409 | 0.04-0.10 | 2 | 0.045 | 0.03 | 0.75 | 18.0-20.0 | 8.0-10.5 | / | |
| 316 | S31600 | 0.08 | 2 | 0.045 | 0.03 | 0.75 | 16.0-18.0 | 2.00-3.00 | 10.0-14.0 | / |
| 316L | S31603 | 0.035 | 2 | 0.045 | 0.03 | 0.75 | 16.0-18.0 | 2.00-3.00 | 10.0-14.0 | / |
| 316 Ti | S31635 | 0.08 | 2 | 0.045 | 0.03 | 0.75 | 16.0-18.0 | 2.00-3.00 | 10.0-14.0 | / |
| 317 | S31700 | 0.08 | 2 | 0.045 | 0.03 | 0.75 | 18.0-20.0 | 3.0-4.0 | 11.0-15.0 | / |
| 317L | S31703 | 0.03 | 2 | 0.045 | 0.03 | 0.75 | 18.0-20.0 | 3.0-4.0 | 11.0-15.0 | / |
| 321 | S32100 | 0.08 | 2 | 0.045 | 0.03 | 0.75 | 17.0-19.0 | - | 9.0-12.0 | / |
| 310S | S31008 | 0.08 | 2 | 0.045 | 0.03 | 1.5 | 24.0-26.0 | - | 19.0-22.0 | / |
| 347 | S34700 | 0.08 | 2 | 0.045 | 0.03 | 0.75 | 17.0-19.0 | - | 9.0-13.0 | / |
| 254 SIB | S31254 | 0.02 | 1 | 0.03 | 0.01 | 0.8 | 19.5-20.5 | 6.0-6.5 | 17.5-18.5 | 0.5-1.0 |
| AL-6 XN | N08367 | 0.03 | 2 | 0.04 | 0.03 | 1 | 20.0-22.0 | 6.0-7.0 | 23.5-25.5 | 0.75 |
| F904L | N08904 | 0.02 | 2 | 0.045 | 0.035 | 1 | 19.0-23.0 | 4.0-5.0 | 23.0-28.0 | 1.0-2.0 |
| 316H | S31609 | 0.04-0.10 | 2 | 0.045 | 0.03 | 0.75 | 16.0-18.0 | 2.00-3.00 | 10.0-14.0 | / |
Astm A240 Duplex Stainless Hlau Phaj Chemical Composition
| Qib | C Tsawg dua los yog sib npaug | Mn Tsawg dua lossis sib npaug | P Tsawg dua lossis sib npaug | S Tsawg dua los yog sib npaug | Si Less than los sib npaug | Ni | Cr | Mo | N | Cu |
| S31803 | 0.03 | 2.00 | 0.03 | 0.02 | 1.00 | 4.5–6.5 | 21.0–23.0 | 2.5–3.5 | 0.08–0.20 | - |
| S32205 | 0.03 | 2.00 | 0.03 | 0.02 | 1.00 | 4.5–6.5 | 22.0–23.0 | 3.0–3.5 | 0.14–0.20 | - |
| S32750 | 0.03 | 1.20 | 0.035 | 0.02 | 0.80 | 6.0-8.0 | 24.0-26.0 | 3.0-5.0 | 0.24-0.32 | 0.5 |
| S32760 | 0.03 | 1.00 | 0.03 | 0.01 | 1.00 | 6.0-8.0 | 24.0-26.0 | 3.0-4.0 | 0.20-0.30 | 0.50–1.00 |
ASTM A240 SS Phaj Mechanical Properties
| Hom | Tensile, min, ksi [MPa] | Yield, min, ksi [MPa] | Elongation,% (min) |
| 304 | 75【515】 | 30【205】 | 40 |
| 304L | 70【485】 | 25【170】 | 40 |
| 304H | 75【515】 | 30【205】 | 40 |
| 316 | 75【515】 | 30【205】 | 40 |
| 316L | 70【485】 | 25【170】 | 40 |
| 316 Ti | 75【515】 | 30【205】 | 40 |
| 317 | 75【515】 | 30【205】 | 35 |
| 317L | 75【515】 | 30【205】 | 40 |
| 321/H | 75【515】 | 30【205】 | 40 |
| 310S | 75【515】 | 30【205】 | 40 |
| 347/H | 75【515】 | 30【205】 | 40 |
| S31254 | 95 [655] | 44 [305] | 35 |
| N08367 | 95 [655] | 45 [310] | 30 |
| N08904 | 71【490】 | 31【220】 | 35 |
ASTM A240 S31803 S32205 S32750 Mechanical Properties
| Hom | Tensile, min, ksi [MPa] | Yield, min, ksi [MPa] | Elongation,% (min) | Hardness, HB (max) |
| S31803 | 90 [620] | 65 [450] | 25 | 293 |
| S32205 | 95 [655] | 65 [450] | 25 | 293 |
| S32750 | 116 [800] | 80 [550] | 15 | 310 |
| S32760 | 108 [750] | 80 [550] | 25 | 270 |
Cov ntaub ntawv dab tsi & Qib A240 npog?
1. Austenitic Stainless hlau
304, 304L, 304H, 316, 316L, 316H, 316TI, 317, 317L, 321, 310S, 310MOLN, 347, 347H, thiab lwm yam. Muaj corrosion kuj zoo heev.
2. Ferritic Stainless hlau
409, 430; chromium cov ntsiab lus ntawm 10.5% mus rau 27%. Economic thiab sib nqus.
3. Martensitic Stainless hlau
410, 420; chromium cov ntsiab lus nyob ntawm 12% mus rau 18%, nrog cov ntsiab lus ntawm cov pa roj carbon ntau. Corrosion kuj feem ntau yog nruab nrab.
4. Duplex Stainless Hlau
2205 (UNS S31803 / S32205), 2507 (S32750). Resistant chloride kev nyuaj siab corrosion cracking. Nta lub zog siab thiab ntau dua PREN tus nqi.
5. Super Austenitic Stainless Hlau
904L, S31254 (254SMO). Cov yam ntxwv los ntawm high nickel thiab siab molybdenum cov ntsiab lus.
ASTM A240 Daim Ntawv Teev Npe Nqe (Reference 2026)
| Khoom Qib | Thickness (hli) | Tus nqi kwv yees (USD/KG) |
| ASTM A 240 304 | 0.3 - 50 hli | $2.20 – $2.60 |
| ASTM A 240 316L | 0.3 - 80 hli | $3.30 – $3.90 |
| ASTM A 240 321 | 1.0 - 40 hli | $2.80 – $3.20 |
| ASTM A 240 2205 (Duplex) | 2.0 - 60 hli | $4.50 – $5.20 |
| ASTM A 240 904L | 1.5 - 30 hli | $8.50 – $11.0 |
Nco tseg:Rau kev txiav txim ntau (tshaj 20 tons), cov neeg muag khoom feem ntau muab ib qho3%-5% luv nqi.
A240 Plate Material Forms
- Phaj (Thickness 6mm +)
- Sheet (Thinner 0.5-6.35mm)
- Sawb / Coil (<0.5mm)
A 240 304 Thickness Range
- Txias-Rolled Sheet: Thickness 0.8 mm - 6.0 mm; Dav 300 mm - 1500 mm; Thickness kam rau ua approx. ± 0.1 hli
- Kub- Rolled Phaj: Thickness 8 mm - 100 mm; Dav 1500 mm - 2400 mm; Thickness kam rau ua approx. ± 0.5 hli
Nto tiav
- Tsis yog. 1: Kub- dov, annealed, thiab pickled
- 2B: Txias- dov, annealed, passivated, thiab temper -leveled; ci tiav
- BA: Ci ntsa iab; iav-zoo li tiav
- Tsis yog . 4: Polished
ASTM A240 Stainless Hlau Phaj, ASTM A240 Stainless Hlau Phaj, ASME Sa240 Stainless Hlau Phaj, A240 Kub Rolled Stainless Hlau Phaj, A240 Txias Rolled Stainless Hlau Phaj
A240 stainless tus qauv yog dav siv nyob rau hauv kev tsim khoom ntawm ntau yam khoom lag luam xws li cov khoom siv tshuaj, khoom noj khoom haus, thiab khoom siv kho mob, thiab lwm yam. ASTM SA240 tus qauv pab kom ntseeg tau tias cov khoom tsis muaj steel - cov khoom siv hlau xws li A240 phaj yog qhov zoo ib yam thiab ua tau raws li cov kev cai tshwj xeeb ntawm daim ntawv thov.
Siv ASTM A240 steel phaj zoo muaj xws li:
Corrosion Resistance: ASTM A240 304 stainless hlau phaj yog heev resistant rau corrosion, ua rau nws haum rau siv nyob rau hauv hnyav ib puag ncig.
Lub zog siab: ASTM A240 stainless hlau daim ntawv muaj lub zog siab thiab ua haujlwm ntev, uas ua rau nws zoo tagnrho rau siv hauv cov ntawv thov uas yuav tsum muaj lub zog thiab tawv.
Versatility: ASTM A240 stainless hlau phaj muaj nyob rau hauv ntau yam ntawm cov qib thiab ntau thiab tsawg, ua rau nws haum rau siv nyob rau hauv ntau yam kev siv.
Machinability: ASTM A240 steel phaj yog ib qho yooj yim rau tshuab, uas txhais tau hais tias nws yuav yooj yim txiav, drilled, thiab zoo li tus kom tau raws li cov kev cai.
Tus nqi-Zoo: ASTM A240 phaj yog tus nqi- zoo, uas ua rau nws muaj kev xaiv nrov rau ntau qhov kev lag luam.
Thaum tshav kub kub Resistance: ASTM A240 phaj yog resistant rau kub kub, ua rau nws haum rau siv nyob rau hauv cov ntaub ntawv uas yuav tsum tau kub siab.
Yuav Ua Li Cas Xaiv ASTM A240 Qib?
- ASTM A240 Hom 304316 rau qis-kev siv kub;
- A240 310S lossis tshav kub- cov alloys tiv taus rau qhov kub thiab txias;
- 904Llos yog254 SIBrau ib puag ncig corrosive heev;
- A240 S32205 duplex stainless hlaurau siab -lub zog, lub teeb yuag.
Cov ntaub ntawv siv
- A370Test Methods thiab Definitions for Mechanical Testing of Steel Products
- A480/A480MSpecification for General Requirements for Flat-Rolled Stainless thiab Kub-Resisting Steel Phaj, Sheet, thiab Sawb
- A923 Test Methods rau Detecting Detrimental Intermetallic Phase hauv Duplex Austenitic / Ferritic Stainless Steels
- A1084Test Method rau Detecting Detrimental Phases nyob rau hauv Lean Duplex Austenitic / Ferritic Stainless Steels
- E112Test Methods for Defining Average Grain Size
- E140Hardness Conversion Tables rau Hlau Relationship Ntawm Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, thiab Leeb Hardness
- E527 Xyaum rau Numbering Metals and Alloys in the Unified Numbering System (UNS)
- J 1086Xyaum rau Numbering Metals and Alloys (UNS)
FAQ:
1. Cov khoom siv ASTM A240 yog dab tsi?
ASTM A240 yog atxheem specification. Nws npog Stainless hlau phaj, ntawv, sawb, coil tshuaj muaj pes tsawg leeg, txhua yam khoom thiab lwm yam.
2. ASTM A240 vs ASME SA240
Muaj zoo tsis muaj kev sib txawv ntawm ob; qhov txawv yog nyob rau hauv lawv daim ntawv pov thawj.
- ASTM A240 yog luam tawm los ntawm ASTM International thiab yog npaj rau kev siv dav dav.
- ASME SA240 yog luam tawm los ntawm American Society of Mechanical Engineers (ASME) thiab ua haujlwm raws li tus qauv tshwj xeeb tsim los siv rau hauv cov hlab ntsha siab, ua ib feem ntawm Boiler thiab Pressure Vessel Code (BPVC).
3. A240 vs A480
A240 thiab A480 yog "tus khub," tsis yog "tus neeg hloov."
- A240 qhia meej tias "dab tsi yog cov khoom siv" - nws cov tshuaj muaj pes tsawg leeg thiab cov khoom siv kho tshuab.
- A480 qhia meej tias "yuav ua li cas cov khoom raug tsim"- qhov ntev ntev, flatness, nto tiav, thiab cov txheej txheem tshuaj xyuas.
4. Dab tsi yog qhov txawv ntawm ASTM A240 304, 304L, thiab 304H?
Qhov txawv yog nyob rau hauv lawv cov ntsiab lus carbon:
- 304 (Carbon Tsawg dua lossis sib npaug li 0.07%) yog qib ntau yam khoom siv.
- 304L (Carbon Tsawg dua lossis sib npaug li 0.03%) yog qhov qis -carbon version, muab kev tiv thaiv rau intergranular corrosion.
- 304H (Carbon 0.04%–0.10%) yog qhov siab -carbon version; nws muaj superior siab - kub lub zog thiab yog haum rau boiler superheaters thiab tshav kub exchangers.
5. ASTM A240 siv rau dab tsi?
- Cov hlab ntsha siab & cov cua sov exchangers
- Cov khoom siv tshuaj thiab petrochemical
- Khoom noj khoom haus & dej haus machinery (304/316)
- Architectural & tsev cladding
- Tank, kav dej, li qub, twj tso kua mis
- Automotive, marine, khoom siv kho mob
6. ASTM A240 sib npaug li cas?
- ENTS EN 10088-2 (European stainless hlau ntawv / phaj)
- JISKhoom siv: G4305 (Japanese stainless coil / ntawv)
- GBGB / T 3280 (Suav stainless hlau ntawv)
- ASMESA-240 (tib yam li A240, rau kev siv lub nkoj siab)
7. Cov khoom siv ASTM A240 puas tuaj yeem siv rau cov hlab ntsha siab?
Yog lawm, ASTM A240 tshwj xeeb yog tsim los rau kev siv lub nkoj siab. Txawm li cas los xij, rau kev ua raws li ASME boiler code, cov khoom yuav tsum feem ntau yog dual - ntawv pov thawj raws li ASME SA-240.
8. "Dual Certification" txhais li cas rau ASTM A240 304/304L?
Ob daim ntawv pov thawj txhais tau hais tias cov khoom ua tau raws li cov pa roj carbon txwv ntawm 304L (tsawg dua los yog sib npaug rau 0.030%) thiab lub zog ntawm 304.
9. ASTM A240 316L phaj nqi yog dab tsi?
Tam sim no, ASTM A240 316L phaj txawv ntawm $ 3.50 txog $ 5.50 USD ib kg, nyob ntawm qhov tuab thiab keeb kwm. Tus nqi hloov pauv raws li nickel thiab molybdenum surcharges.
10. Kuv yuav ua li cas thiaj paub tseeb ASTM A240 Mill Test Certificate (MTR)?
MTR siv tau yuav tsum muaj xws li Heat Number, Khoom Qib (piv txwv li, 316/316L), ASTM A240 kho xyoo, tshuaj lom neeg tawg, thiab cov txiaj ntsig kev ntsuas tshuab.
Hais txog Zhengzhou Huitong Pipeline Equipment Co., LTD.
HT PIPE yog ib tug zoo-paub stockist thiab exporter. Peb yog cov khoom siv stainless / carbon / npib tsib xee alloy khoom xa khoom nrog 15+ kev xa tawm. Peb tsis tsuas yog muab cov kav dej, phaj, puag ncig, tab sis kuj yog cov yeeb nkab fittings, flanges, thiab lwm yam. Tiv tauj peb kom paub ntau ntxiv thiab cov nqi dawb.
HT PIPE nquag muab cov nplooj ntawv thiab daim hlau ntawm 304, 304l, 316, 316l, 321, 347, 309, 310, 316Ti, 317L, 904L, Duplex S31803, S32205, Super Duplex, UNS25 S31254, Alloy 20, thiab lwm yam.
Tus sau: Chloe Pu (5 xyoos hauv stainless hlau, nickel alloy, thiab carbon steel kev lag luam)
Tshaj tawmHnub tim: Lub Plaub Hlis 13, 2026 (Beijing Time)
