Lub raj boiler qhib rau ob qho kawg thiab muaj ib ntu hollow, qhov ntev thiab ib puag ncig ntawm cov hlau loj dua, raws li txoj kev tsim khoom tuaj yeem muab faib ua cov yeeb nkab hlau seamless thiab cov yeeb nkab hlau welded, cov yeeb nkab hlau specification nrog tag nrho qhov ntev (xws li txoj kab uas hla lossis ntev) thiab phab ntsa thickness, hais tias nws qhov loj me ntau yog dav heev, los ntawm txoj kab uas hla me me capillary mus rau ob peb meters hauv txoj kab uas hla, cov yeeb nkab loj.

Cov kav hlau siv tau rau cov kav dej, cov khoom siv thermal, kev lag luam machinery, kev tshawb nrhiav roj av geological, cov thawv, kev lag luam tshuaj lom neeg thiab cov hom phiaj tshwj xeeb.

(1) Cov hlau zoo carbon steel 20G, 20MnG, 25MnG.

(2) Cov qauv hlau alloy 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB, thiab lwm yam.

Boiler raj yog muab faib ua ob pawg:GB/T3087-2018nruab nrab thiab qis siab boiler raj,GB/T5310-2018Lub raj xa dej siab. Peb cov khoom tseem ceeb suav nrog:

ASTMA210 (A10M) -2012Cov yeeb nkab steel nruab nrab thiab cov kav dej superheater seamless, cov khoom tseem ceeb yog SA210 GrA1, SA210GrC;

ASME SA106/SA-106M-2015, cov ntaub ntawv tseem ceeb yog GR.B gr.C;

ASME/SA SA – 213-213 – m, cov khoom siv sib xyaw ua ke: T11, T12, T22 thiab T23, T91, P92, T5, T5b, T9, T21, T22, T17;

ASTM A335 / A335M – 2018, cov ntaub ntawv tseem ceeb yog: P11, P12, P22, P5, P9, P23, P91, P92, P2, thiab lwm yam.