Ụkpụrụ mmejuputa nke ọkpọkọ ọkpọkọ okpomọkụ 20GGB5310-2008A na-eji usoro ojiji a emepụta elu okpomọkụ dị elu na elu elu nke ọkpọkọ mmiri nwere ígwè carbon dị elu, ígwè alloy na ọkpọkọ ígwè anaghị agba nchara. Ọkpọkọ ígwè nwere nrụgide dị elu bụ ụdị ọkpọkọ mmiri, n'ihi na a na-ejikarị ọkpọkọ mmiri nwere nrụgide dị elu nke 20G eme ihe n'ọnọdụ okpomọkụ dị elu na nrụgide dị elu, ọkpọkọ ahụ n'okpuru ọrụ nke gas flue na uzuoku mmiri dị elu, oxidation na corrosion ga-eme. A chọrọ ọkpọkọ ígwè ahụ ka ọ nwee ike siri ike, iguzogide corrosion dị elu na ezigbo microstructure kwụsie ike. A na-ejikarị ọkpọkọ mmiri nwere nrụgide dị elu emepụta ọkpọkọ mmiri nwere nrụgide dị elu na ọkpọkọ mmiri nwere nrụgide dị elu, ọkpọkọ mmiri nwere okpomọkụ, ọkpọkọ mmiri, ọkpọkọ mmiri nwere steam, wdg. N'ọrụ ọkpọkọ ígwè nwere nrụgide dị elu, a ga-edobe ọkwa mmiri a kapịrị ọnụ na afụ ahụ, nrụgide ekwesịghị ịgafe nrụgide ọrụ nke ọkpọkọ mmiri, ndị ọrụ ọkpọkọ mmiri kwesịrị ileba anya na nha nrụgide uzuoku. Mgbe ọkpọkọ mmiri jupụtara na mmiri, a ga-awụpụ ya n'oge iji kwụsị ịmịnye mmiri ma weghachi ọkwa mmiri. Mgbe a kwụsịrị ọkụ ahụ, mgbe mmiri ahụ jụrụ oyi ruo ogologo oge ruo ogo 70, a pụrụ ịhapụ mmiri ọkụ ahụ, e mesịa, a pụrụ iji mmiri ọkụ kemikal na-agwọ ya mgbe a gbanyụrụ ụgbụ ahụ. A na-ejikarị ígwè na-agba ígwè nke nwere nrụgide dị elu emepụta ọkpọkọ na-ekpo ọkụ dị elu, ọkpọkọ na-ekpo ọkụ, ọkpọkọ, ọkpọkọ uzuoku isi, wdg. Ụdị ọkpọkọ na-ekpo ọkụ dịka arụmọrụ okpomọkụ si dị, a na-ekewa ọkpọkọ na-ekpo ọkụ n'ozuzu na ọkpọkọ na-ekpo ọkụ dị elu.

Usoro ngwaahịa nke tube ígwè na-enweghị ntụpọ:

1: Paịpụ ígwè alloy (15CrMoG, 12Cr1MoVG, 35CrMo, 42CrMo, 1Cr5Mo, 1Cr9Mo, 12Cr2MoG, 10CrMo910, WB36,A335P11 (A213T11), A335P12 (A213T12), A335P22 (A21) A335P91 (A213T91), A335P9 (A213T9), A335P5(A213T5), Nkọwapụta 16-824*2-100

2: Paịpụ ígwè ọkọlọtọ nke Amerịka (A106B/SA106B, A106C/SA106C, A333GR1/GR3/GR6, A53B,API5LGR.B,A210C/SA210C, A192, nkọwapụta A179 18-726*2-50)

3: Paịpụ ígwè ọkọlọtọ nke Europe (S235JRH, S275JOH, S275J2H, S355JOH, S355J2H, nkọwapụta S355K2H 18-726*2-50)

4: Paịpụ ígwè ọkọlọtọ nke ndị Germany (ST35.8, ST45.8, 15Mo3, ST37, ST44, ST52 18-726*2-50)

5: ọkpọkọ boiler nwere nrụgide dị elu (20G, 20MnG 16-824*2-65)

6: Paịpụ mgbawa mmanụ (20#, nkọwapụta 15CrMo 10-530*1.5-36)

7: Ọkpọkọ dị elu nke na-enweghị nrụgide maka ngwa fatịlaịza kemịkalụ (20#, 16Mn 25-426*6-40)

8: Paịpụ (X42, X46, X52, X56, X60, X65, X70, X80, X90, X100 nkọwapụta 60-824*3.5-60)

9: Ọkpọkọ boiler dị ala na nke dị ọkara (nkọwapụta 20# 10-530*2-40)

10: Ibuga paịpụ mmiri mmiri (20#, Q345B/C/D/E, nkọwapụta Q390B/C/D/E 8-630*1.0-40)

11: Tubọọlụ nhazi izugbe (20#, 35#, 40#, 45#, 50#, 55#, Q345B/C/D/E, nkọwapụta Q390B/C/D/E 6-610*1.5-40)