gnee cev team
STBA23 yog cov yeeb nkab uas tsis tshua muaj hlau, tseem hu ua P23 steel, uas muaj cov cua kub zoo thiab oxidation tsis kam. Nws feem ntau yog siv rau hauv cov kav dej thiab cov khoom siv nyob rau hauv qhov kub thiab txias, xws li fais fab nroj tsuag boilers, petrochemical khoom, nuclear fais fab nroj tsuag thiab lwm yam teb.
JIS G3462 STBA23 carbon steel yeeb nkab muaj lub zog siab, siab corrosion kuj thiab zoo kub tsis zoo, thiab tuaj yeem tiv taus siab thiab kub. Kev tsim cov txheej txheem ntawm cov yeeb nkab steel no yog qhov nyuaj thiab yuav tsum muaj ntau yam txheej txheem thiab kev kho cua sov kom ntseeg tau tias nws cov khoom siv zoo heev thiab ruaj khov.
STBA23 seamless steel yeeb nkab muaj qhov ua tiav cov lus qhia thiab qhov ntau thiab tsawg thiab tuaj yeem kho raws li qhov xav tau sib txawv. Nws txoj kev kho saum npoo thiab kev tiv thaiv corrosion kuj tseem ceeb heev, uas tuaj yeem txuas ntxiv kev pab cuam lub neej thiab kev nyab xeeb ntawm cov kav hlau.
Tshuaj muaj pes tsawg leeg ntawm JIS G3462 STBA23 yeeb nkab
| Qauv: JIS G3462 | Qib | Chemical Composition Limits (%) | ||||||
| C | Si | Mn | P | S | Cr | Mo | ||
| SIB 23 | Tsawg dua lossis sib npaug rau 0.15 | 0.50-1.00 | 0.30-0.60 | Tsawg dua lossis sib npaug rau 0.030 | Tsawg dua lossis sib npaug rau 0.030 | 1.00-1.50 | 0.45-0.65 | |
Mechanical Properties ntawm JIS G3462 STBA23 alloy yeeb nkab
| Designa tion ntawm qib |
Tensile zog a) N / hli 2 |
Yield point los yog pov thawj kev nyuaj siab N / hli 2 |
Elongation% | ||||
| Sab nraud txoj kab uas hla | |||||||
| Hauv qab 10 mm | 10 mm los yog tshaj rau thiab excl. 20 mm | 20mm los yog ntau tshaj | Txhua txoj kab uas hla | ||||
| Tensile xeem daim | |||||||
| No. 11 test piece | No. 11 test piece | No. 11 test piece or No.12 test piece | No.4 test daim | No.14A test piece | |||
| Tensile xeem kev taw qhia | |||||||
| Pararell rau tube axis | Pararell rau tube axis | Pararell rau tube axis | Pararell rau tube axis | Pararell rau tube axis | |||
| SIB 23 | 410 min. | 205 feeb. | 22 feeb. | 25 feeb. | 30 feeb. | 24 feeb. | 21 feeb. |
JIS G3462 STBA23 alloy yeeb nkab
Qauv: JIS G3462
Alloy steel raj rau boiler thiab tshav kub exchanger
JIS G3462 qhia txog cov hlau alloy steel raj (tom qab no hu ua "tubes") siv rau kev sib pauv cua sov ntawm sab hauv thiab sab nraud ntawm lub raj, xws li cov raj dej, cov pa luam yeeb, cov raj superheater thiab cua preheater raj ntawm boilers, thiab cov raj kub exchanger. , condenser raj thiab catalyst tubes siv nyob rau hauv tshuaj thiab roj av industries.
JIS G3462 STBA23 alloy steel hlab nrog sab nraud txoj kab uas hla ntawm 15.9 hli. mus 139,8mm.
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