Igwe anaghị agba nchara maka nhazi (GB/T8162-2008) na-eji maka izugbe Ọdịdị na n'ibu Ọdịdị nke enweghị nkebi ígwè ọkpọkọ.

Ejiri ya maka imepụta tubes nchara na-enweghị nkebi maka ọkpọkọ, ụgbọ mmiri, akụrụngwa, ihe ndozi na ihe nrụpụta

Ihe owuwu: ihe owuwu ụlọ, trestle ụgbọ elu, ọdụ ụgbọ elu, ọdụ ụgbọ mmiri, etiti ụzọ nchekwa, ọnụ ụzọ ebe a na-adọba ụgbọala, ọnụ ụzọ igwe mesiri ike na windo, mgbidi ime ụlọ, ihe owuwu akwa USB na ndị nche okporo ụzọ, okporo ụzọ, ịchọ mma, ebe obibi, ọkpọkọ eji achọ mma

Akụkụ akpaaka: ụgbọ ala na ụgbọ ala na-arụpụta ụgbọ ala, ngwa njem

Agriculture: Ngwá ọrụ ugbo

Ụlọ ọrụ: Machinery, Solar support, offshore oil field, Ngwuputa akụrụngwa, igwe na eletriki ngwaike, Engineering, Ngwuputa, arọ na akụrụngwa, Usoro Engineering, Nhazi ihe, N'ibu akụkụ

Ụgbọ njem: okporo ígwè ndị ji ụkwụ aga, okporo ụzọ nche, ihe owuwu square, akara akara, akụrụngwa okporo ụzọ, ngere.

Nchekwa ngwa ngwa: shelf ụlọ ahịa, arịa ụlọ, ngwa ụlọ akwụkwọ

Isi ọkwa nke ọkpọkọ ígwè

Q345, 15CrMo, 12Cr1MoV, A53A, A53B, SA53A, SA53B

Ogo tube nchara na-enweghị nkebi na ngbanwe enwere ike ime

Carbon ígwè tube (GB/8162-2008)

A na-agbaze ụdị ọkpọkọ nchara a rụrụ n'ozuzu ya site na onye ntụgharị ma ọ bụ ọkụ na-emeghe, isi akụrụngwa ya bụ ígwè a wụrụ awụ na nchara nchara, ọdịnaya nke sọlfọ na phosphorus dị na ígwè dị elu karịa nke ọkpọkọ ọkpọkọ carbon structural, n'ozuzu sọlfọ ≤0.050. %, phosphorus ≤0.045%. Ọdịnaya nke ihe ndị ọzọ alloying, dị ka chromium, nickel na ọla kọpa, na-ebute nchara site na akụrụngwa anaghị adịkarị karịa 0.30%. Dị ka ihe mejupụtara na arụmọrụ chọrọ, ọkwa nke ụdị a structural ígwè ọkpọkọ na-egosi site ígwè ọkwa Q195, Q215A, B, Q235A, B, C, D, Q255A, B, Q275 na na.

Mara: “Q” bụ mkpụrụedemede ụda olu ndị China nke mkpụrụ “qu”, na-esote akara kacha nta (σ S) uru nke ọkwa, akara na-esote ya dabere na ihe adịghị ọcha (sulfur, phosphorus) ọdịnaya sitere na elu ruo obere. nwere mgbanwe na ihe carbon na manganese, nkewapụtara na ọkwa anọ A, B, C, D.

Ụdị mmepụta ọkpọ ígwè a na-emepụta ihe bụ nke kasị ukwuu, ihe eji eme ihe dị nnọọ obosara, na-atụgharị n'ime efere, profaịlụ (gburugburu, square, flat, work, groove, Angle, etc.) na profaịlụ na ịmepụta ọkpọkọ ígwè. A na-ejikarị ya na ogbako, akwa mmiri, ụgbọ mmiri na ihe owuwu ụlọ ndị ọzọ na ọkpọkọ ebufe mmiri n'ozuzu. A na-ejikarị ụdị ígwè a eme ihe ozugbo na-enweghị ọgwụgwọ okpomọkụ.

Obere alloy elu ike structural ọkpọkọ (GB/T8162-2008)

Na mgbakwunye na ụfọdụ silicon ma ọ bụ manganese, ọkpọkọ ígwè nwere ihe ndị ọzọ kwesịrị ekwesị maka ihe onwunwe China. Dị ka vanadium (V), niobium (Nb), titanium (Ti), aluminum (Al), molybdenum (Mo), nitrogen (N), na obere ụwa (RE) Chọpụta ihe. Dị ka chemical mejupụtara na arụmọrụ chọrọ, akara ya na-anọchi anya Q295A, B, Q345A, B, C, D, E, Q390A, B, C, D, E, Q420A, B, C, D, E, Q460C, D , E na ndị ọzọ ígwè akara ule, na ya pụtara bụ otu ihe ahụ dị ka carbon structural ígwè ọkpọkọ.

Na mgbakwunye na ọkwa A na B ígwè, ọkwa C, GRADE D na ọkwa E ígwè kwesịrị ịnwe ma ọ dịkarịa ala otu n'ime ihe ndị a nụchara anụcha dị ka V, Nb, Ti na Al. Iji mee ka arụ ọrụ ígwè dịkwuo mma, a pụkwara ịgbakwunye ígwè ọkwa A, B na otu n'ime ha. Na mgbakwunye, ọdịnaya mmewere nke Cr, Ni na Cu erughị 0.30%. Q345A, B, C, D, E bụ akara ule ndị nnọchianya nke ụdị ígwè a, n'etiti nke A, B ọkwa ígwè a na-akpọkarị 16Mn; Ekwesịrị ịgbakwunye ihe karịrị otu ihe nchọta na ọkwa C na n'elu ọkpọkọ ígwè, na otu ihe mmetụta okpomọkụ dị ala kwesịrị ịgbakwunye na akụrụngwa ya.

Ọnụọgụ nke ụdị ọkpọkọ nchara arụrụ arụ na carbon structural steel. Ọ nwere uru nke ike dị elu, ezigbo arụmọrụ zuru oke, ogologo ndụ ọrụ, nnukwu ngwa ngwa na akụnụba atụnyere. A na-ejikarị ya eme ihe na Bridges, ụgbọ mmiri, ọkụ ọkụ, ụgbọ ala na ihe owuwu ụlọ dị mkpa.