ASTM A209 seamless alloy steel yeeb nkab yog ib qho American standard alloy steel yeeb nkab. Nws tsis tsuas yog muaj oxidation tsis kam thiab siab kub chav corrosion kuj, tab sis kuj muaj kev cuam tshuam zoo toughness, siab thiab ruaj khov yas ntev ntev thiab kub lub zog.
ASTM A209 yog tus qauv tshwj xeeb rau seamless carbon-molybdenum alloy steel boiler thiab superheater raj, suav nrog peb qib: ASTM A209 T1, ASTM A209 T1a, ASTM A209 T1b.
SA209 T1A yeeb nkab yog carbon-molybdenum alloy steel seamless yeeb nkab siv rau boilers, boiler flues, thiab superheaters.
Thaum ua haujlwm kub ntawm A209 boiler raj yog qis dua 620 degree, nws qhov kev cia siab yog siab dua li ntawm austenitic stainless hlau. Nws yog tsuas yog siv rau super boiler raj, kub superheaters, reheater steel hlab, kub kub headers thiab chav kav. Nws kuj tseem siv tau los ua cov hluav taws xob hluav taws xob hluav taws xob hluav taws xob hluav taws xob thiab cov roj av tawg hauv lub tshuab hluav taws xob.
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Alloy Steel Seamless Tube ASTM A209 Chemical Composition (%):
| Qib | C | Si | Mn | P | S | Mo | Cr |
| T1 | 0.10-0.20 | 0.10-0.50 | 0.30-0.80 | Tsawg dua lossis sib npaug rau 0.025 | Tsawg dua lossis sib npaug rau 0.025 | 0.44-0.65 | / |
| T1a | 0.15-0.25 | 0.10-0.50 | 0.30-0.80 | Tsawg dua lossis sib npaug rau 0.025 | Tsawg dua lossis sib npaug rau 0.025 | 0.44-0.65 | / |
| T1b | 0.14max | 0.10-0.50 | 0.30-0.80 | Tsawg dua lossis sib npaug rau 0.025 | Tsawg dua lossis sib npaug rau 0.025 | 0.44-0.65 | / |
T1 T1a T1b Seamless Alloy Steel Yeeb Nkab Tensile Requirements thiab Hardness:
|
Mechanical Properties |
||||
| Qib | Tensile | Yield | Elongation | Hardness |
| Lub zog (Mpa) | Lub zog (Mpa) | (%) | (HRB) | |
| T1 | Ntau dua lossis sib npaug rau 380 | Ntau dua lossis sib npaug rau 205 | Ntau tshaj los yog sib npaug rau 30 | Tsawg dua los yog sib npaug li 80 |
| T1a | Ntau dua lossis sib npaug rau 365 | Ntau dua lossis sib npaug rau 195 | Ntau tshaj los yog sib npaug rau 30 | Tsawg dua lossis sib npaug li 81 |
| T1b | Ntau dua lossis sib npaug rau 415 | Ntau tshaj los yog sib npaug rau 220 | Ntau tshaj los yog sib npaug rau 30 | Tsawg dua lossis sib npaug li 77 |
ASTM A209 Seamless Boiler Tube
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FAQ
1.Q.Koj qhov zoo dua yog dab tsi?
A. Kev ua lag luam ncaj ncees nrog tus nqi sib tw thiab kev pabcuam tshaj lij ntawm cov txheej txheem xa tawm.
2. Q: Koj muab kev pabcuam dab tsi?
A: Kev pabcuam customized rau txhua tus neeg siv khoom, thov hu rau peb!
3.Q.Koj puas muaj kev tswj xyuas zoo?
A. Yog, peb tau txais BV.SGS ntawv pov thawj.
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