Seamless steel yeeb nkab yog ib hom hlau ntev nrog hollow seem thiab tsis muaj kev sib koom ua ke nyob ib puag ncig.Cov yeeb nkab steel muaj qhov hollow seem thiab yog dav siv rau kev xa cov kav dej, xws li conveying roj, natural gas, gas, dej thiab qee yam khoom siv.Piv txwv. nrog cov khoom hlau xws li cov hlau puag ncig, cov yeeb nkab steel muaj tib yam dabtsi yog khoov thiab torsional lub zog thiab sib dua. Nws yog ib hom kev lag luam hla ntu hlau thiab tau siv dav hauv kev tsim cov khoom siv thiab cov khoom siv kho tshuab, xws li roj laum yeeb nkab, tsheb tsav ncej, tsheb kauj vab ncej thiab steel scaffolding siv hauv kev tsim kho.

Lub sijhawm kuaj pom:

Feem ntau 5 hnub ua haujlwm.

Cov qauv xeem:

DB, GB, GB / T, JB / T, NB / T, YB / T, thiab lwm yam.

Seamless steel tube kuaj hom:

Seamless kub dov seamless steel yeeb nkab kuaj: suav nrog cov yeeb nkab dav dav, qis thiab nruab nrab siab boiler steel yeeb nkab, siab siab boiler steel yeeb nkab, alloy steel yeeb nkab, stainless hlau yeeb nkab, roj av tawg yeeb nkab, geological steel yeeb nkab thiab lwm yam kub dov seamless steel yeeb nkab kuaj. .

Seamless steel tube txias dov seamless steel raj kuaj: suav nrog cov qauv dav dav, cov qauv siv tshuab nrog seamless steel raj, qis nruab nrab siab boiler seamless raj, siab siab boiler seamless raj, kis tau tus mob nrog seamless raj, txias kos los yog txias precision steel yeeb nkab seamless yeeb nkab, geological drilling, drilling yeeb nkab, hydraulic lub tog raj kheej lub tog raj kheej precision puab txoj kab uas hla seamless yeeb nkab, seamless raj rau chiv, ib lub nkoj nrog cov yeeb nkab, roj tawg raj, txhua yam alloy txias dov seamless steel raj xws li nrhiav kom tau.

Seamless steel raj round seamless steel raj kuaj: roj av geology drilling raj, petrochemical cracking raj, boiler raj, bearing raj thiab tsheb, tsheb laij teb, aviation high-precision steel raj kuaj.

Seamless steel yeeb kev sim: kub dov stainless hlau yeeb nkab, kub extrusion stainless hlau yeeb nkab thiab txias drawn (dov) stainless hlau yeeb nkab, semi-ferritic semi-Martensitic stainless hlau yeeb nkab, martensitic stainless hlau yeeb nkab, austenitic stainless hlau yeeb nkab, austenite-ferritic hlau system stainless hlau yeeb nkab, thiab lwm yam.

Seamless yeeb nkab jacking nrhiav kom tau: raj jacking nrhiav kom tau huab cua siab tshuav, av nkos tshuav nyiaj li cas thiab lub ntiaj teb siab tshuav nyiaj li cas.

Kev ntsuas tshwj xeeb-zoo li seamless steel raj: suav nrog square, oval, daim duab peb sab, hexagonal, melon zoo li tus, lub hnub qub zoo li, thiab tis seamless steel raj.

Seamless steel yeeb nkab tuab-wall kuaj: kub dov tuab-wall seamless steel yeeb nkab, txias-dov tuab-wall seamless steel yeeb nkab, txias-draw tuab-wall seamless steel yeeb nkab, extruded tuab-wall seamless steel yeeb nkab, stainless hlau seamless steel yeeb nkab jacking qauv, thiab lwm yam.

Seamless steel yeeb kev sim: suav nrog cov yeeb nkab dav dav, qis thiab nruab nrab siab boiler steel yeeb nkab, siab siab boiler steel yeeb nkab, alloy steel yeeb nkab, stainless hlau yeeb nkab, roj av tawg yeeb nkab, geological steel yeeb nkab thiab lwm yam steel yeeb nkab.

Seamless steel yeeb nkab kuaj cov khoom:

Cov khoom siv tshuaj ntsuam xyuas qhov kub thiab txias, tsis kub tsis kam, acid tsis kam, alkali tsis kam, oxidation tsis kam, thiab lwm yam.

Cov txheej txheem kev ua tau zoo kuaj hlau ncab, kev tshuaj xyuas pob txha, rov khoov dua, rov qab khoov, thim rov qab flattening, ob txoj kev torsion, hydraulic test, flaring test, dabtsi yog khoov, crimping, flattening, nplhaib expansion, nplhaib stretching, microstructure, khob txheej txheem kuaj, metallographic tsom xam, lwm.

X-ray nondestructive test, electromagnetic ultrasonic test, ultrasonic test, eddy testing, magnetic flux to testing, penetration testing, magnetic particle testing.

Cov cuab yeej siv tshuab ntsuas lub zog tensile, cuam tshuam qhov ntsuas, qhov taw qhia tawm, elongation tom qab tawg, qhov txo qis, qhov ntsuas qhov tawv tawv (Rockwell hardness, Brinell hardness, Vickers hardness, Richter hardness, Vickers hardness).

Lwm yam khoom: metallographic qauv, inclusions, decarburization txheej, cov ntsiab lus txiav txim ntawm microstructure, corrosion ua tsom xam, grain loj thiab microscopic ntsuam xyuas, tsis tshua muaj qauv, intergranular corrosion, microstructure ntawm superalloy, kub metallographic qauv, thiab lwm yam.

Cov khoom siv tshuaj ntsuam: kev sib piv, kev txheeb xyuas cov khoom siv, kev ntsuas tsis ua haujlwm, kev txheeb xyuas cov khoom.

Tshuaj ntsuam xyuas tsis ua hauj lwm tsom xam kev puas tsuaj, kev txheeb xyuas corrosion, thiab lwm yam.

Element tsom xam xyuas thiab txheeb xyuas qhov muaj pes tsawg leeg thiab cov ntsiab lus ntawm manganese, oxygen, nitrogen, carbon, sulfur, silicon, hlau, txhuas, phosphorus, chromium, vanadium, titanium, tooj liab, cobalt, nickel, molybdenum, cerium, lanthanum, calcium, magnesium , zinc, tin, antimony, arsenic thiab lwm yam hlau hauv cov hlau, alloy thiab nws cov khoom, stainless hlau.

Test txuj rau seamless steel yeeb nkab (ib feem):

GB 18248-2008 Seamless steel raj rau lub tog raj kheej roj.

2, GB / T 18984-2016 seamless steel yeeb nkab rau cov kav dej kub.

3, GB / T 30070-2013 Alloy steel seamless steel yeeb nkab rau seawater thauj.

4, GB / T 20409-2018 Seamless steel hlab nrog cov xov sab hauv rau kev kub siab boilers.

5, GB 28883-2012 composite seamless steel raj rau siab.

GB 3087-2008 Seamless steel raj rau qis thiab nruab nrab siab boilers.

7, GB / T 34105-2017 Seamless steel raj rau kev lag luam tawm sab nrauv.

GB 6479-2013 Seamless steel raj rau cov khoom siv chiv siab.