Kev txiav txim siab engineering ntxiv, cov khoom siv hlau alloy steel yeeb nkabA333 GR 6, specification yog 168.3 * 7.11, thiabcarbon steel yeeb nkab GB / T9948, 20 #, specification yog 114.3 * 6.02, thiab lwm yam.

Cov hauv qab no qhia txog cov qauv thiab cov ntaub ntawv uas engineering xaj yuav ntsib:

20 # GB8163 dej thauj seamless steel yeeb nkab

Seamless steel yeeb nkab khoom txhais li cas? Cov khoom siv kuj yog qib peb feem ntau hais, xws li 20 #, 45 #, uas sawv cev rau nws cov tshuaj muaj pes tsawg leeg thiab cov khoom siv xws li tensile zog, yield zog, thiab expansion npaum li cas. Cov hauv qab no yog cov khoom siv seamless steel yeeb nkab, cov qauv tsim thiab siv cov ntsiab lus los ntawm tus sau.

1.GB/T8162-2018, Structural seamless steel kav, feem ntau yog siv nyob rau hauv dav structural engineering, mechanical processing, kev tsim kho thiab lwm yam teb. Cov ntaub ntawv sawv cev: 20 #, 45 #, q345b, 40Cr, 42CrMo, thiab lwm yam;

2. GB / T8163-2018, seamless steel yeeb nkab rau kev thauj mus los ntawm cov kua dej, feem ntau yog siv rau pipeline engineering nrog tsawg siab. Cov khoom siv sawv cev: 20#, q345b;
45 # GB8162 structural seamless steel yeeb nkab

3.GB/T3087-2017, qis thiab nruab nrab siab boiler seamless steel kav, feem ntau yog siv los tsim ntau yam qauv ntawm superheated chav kav, boiling dej kav rau qis thiab nruab nrab siab boilers, thiab superheated chav kav thiab arch cib kav rau locomotive boilers. Cov ntaub ntawv sawv cev: 10#, 20#, Q355B;
GB5310 siab siab boiler raj, khoom 12Cr1MovG

4. GB/T5310-2017, seamless steel kav rau kev kub siab boilers, feem ntau yog siv rau cov cua sov saum npoo ntawm cov dej raj boilers nrog siab siab thiab saum toj no. Muaj cov pa roj carbon steel, alloy steel thiab stainless hlau tshav kub-resistant seamless steel kav. Cov ntaub ntawv sawv cev: 20G, 15CrMoG, 12Cr1MoVG, thiab lwm yam.;

5. GB/T6479-2018, high-pressure seamless steel kav rau cov khoom siv tshuaj chiv, feem ntau yog siv rau cov khoom siv tshuaj thiab cov kav dej nrog kev ua haujlwm kub ntawm -40 ~ 400 ° C thiab ua haujlwm siab ntawm 10 ~ 30Ma. Muaj cov khoom siv carbon steel thiab alloy steel seamless steel kav. Cov khoom siv sawv cev: q345a-bcde, 20#, 10mowvnb, 15CrMo;

6. GB/T9948-2013, seamless steel kav rau roj av tawg, feem ntau yog siv rau cov kav hlau, cov khoom siv hluav taws xob thiab cov kav dej hauv cov roj av refineries. Cov khoom siv sawv cev: 10#, 20#, Q345, 15CrMo;