Cov kav hlau tsis muaj seamless rau cov boilers siab muaj xws liGB/5310-2007tus qauv,ASME SA-106/SA-106M-2015,ASTMA210 (A210M) -2012, nruab nrab carbon steel seamless steel tubes rau boilers thiab superheaters,ASME AS - 213 / SA - 213 M, ASTM A335 / A335M – 2018.

GB/T5310-2017feem ntau yog siv los tsim cov kav dej siab thiab siab dua qhov siab thiab lwm yam zoo carbon cov hlau, alloy cov hlau thiab stainless hlau kub resistant seamless steel yeeb nkab. Zoo carbon cov hlau 20g, 20mg, 25mg. Alloy cov hlau hlau 15MOG, 20MOG, 12CrMOg, 15CrMOg, 12Cr2MOG, 12CrMOVG, 12Cr3Movsitib, thiab lwm yam.

Cov hlau tiv taus cua sov feem ntau siv 1Cr18Ni9, 1Cr18NillNb

Cov ntaub ntawv tseem ceeb sib raug rauGB/T5310tus qauv: 20G, 20MnG, 25MnG, 16Mn, 15Mog.20MOG, 15CrMo, 15CrMoG, 12CrlMoV, 12Cr1MoVG, Cr5Mo, 10CrMo910 cov kev cai tseem ceeb ntawm kev xeem: ntxiv rau kev ua kom muaj cov tshuaj lom neeg thiab cov khoom siv kho tshuab, ua qhov kev sim siab dej, ua qhov kev sim flaring, flattening. Tsis tas li ntawd, qhov microstructure, qhov loj ntawm cov noob thiab cov txheej decarburization ntawm cov kav hlau tiav lawm kuj tseem xav tau. Xwm txheej xa khoom: Kev kho cua sov

Thaum cov kav hlau tsis muaj seamless raug xa mus rau cov teb chaws ntawm cov neeg siv khoom, tuaj yeem muaj qhov sib txawvcov txheej txheem ntim khoomraws li cov neeg siv khoom xav tau sib txawv. Tsis ntev los no, rau cov khoom peb xa mus rau Nyab Laj, tus neeg siv khoom xaiv kev thauj mus los casing kom txo qhov ntim ntawm cov khoom thiab txuag cov nqi ntim khoom. Peb kuj muaj PVC ntim, baling ntim, hlau ncej ntim, casing ntim thiab lwm yam. Koj tuaj yeem tshawb xyuas peb lub vev xaib rau lwm txoj kev ntim khoom. Alloy hlau raj, seamless hlau rajSA106 GR.B, roj rajK55,L80, thiab lwm yam, tuaj yeem txais yuav cov saum toj notxoj kev ntim khoom.