700 × 300 H beam Q235B na Q345B beam, I beam Steel Ọdịdị kọlụm Universal.
1. Ntuziaka dị mfe:
H-beam bụ ụdị ngalaba akụ na ụba yana ngalaba arụmọrụ dị elu yana nkesa mpaghara mpaghara kachasị mma yana
ihe ezi uche dị na ya karịa oke ike na ịdị arọ. Akpọrọ aha ya na ngalaba ya bụ otu mkpụrụedemede Bekee "H". Ebe ọ bụ na akụkụ niile nke
A haziri H-beam n'akụkụ aka nri, H-beam nwere uru dị na nguzogide siri ike, ihe owuwu dị mfe,
echekwa ọnụ ahịa na ịdị arọ dị arọ n'akụkụ niile, ma ejirila ya mee ihe n'ọtụtụ ebe.
2. Ngwakọta kemịkalụ
| Ọkwa | Ngwakọta kemịkalụ (%) | ||||
| C | Si | Mn | P | S | |
| Q235B | ≤0.20 | ≤0.35 | ≤1.40 | ≤0.045 | ≤0.045 |
| Q345B | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.035 |
| Q345C | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.030 |
| Q345D | ≤0.18 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.025 |
3. Mechanical Njirimara
| Ọkwa | Ngwongwo igwe | ||
| Ike Mpụta (N/mm2)/(Mpa) | Ike Tensile (N/mm2)/(Mpa) | Mgbatị (%) | |
| Q235B | ≥235 | 370-500 | ≥26 |
| Q345B | 345 | 470-630 | ≥20 |
| Q345C | 345 | 470-630 | ≥21 |
| Q345D | 345 | 470-630 | ≥21 |
4. Ihe ngosi foto:
5. ọgwụgwọ ọzọ:
6. High Frequence Welded H beam:
A na-eji ugbu a dị elu na-ekpo ọkụ n'elu igwe, a na-agbanyekwa ya n'okpuru ọrụ nke ike mpụga, na-enweghị.
waya ọ bụla ịgbado ọkụ ma ọ bụ flux, na ike nọgidere na-emepụta na nnukwu quantities.
1) Ogologo nkọwapụta (nha ngalaba). Enwere ike ịhọrọ ịdị elu, webụ, ọkpụrụkpụ flange na obosara flange dị ka ndị ahịa si dị
chọrọ maka ịgbado ọkụ efere ígwè. Enwere ike iji ya mee ihe dị iche iche karịa ọkọlọtọ H-beam na-ekpo ọkụ.
2) Họrọ ụdị ígwè dị iche iche. H-beams na-ekpo ọkụ bụ nke kachasị Q235B na Q345B. Mgbe obere batches nke akara nchara pụrụ iche dị
achọrọ, ụlọ ọrụ mmepụta enweghị ike imepụta ha. Welding nwere ike họrọ efere ígwè dị ka mkpa.
3) Ngwaahịa nwere oke nkenke na ezigbo elu elu. N'ihi ịdị elu dị elu na ịdị mma elu nke ngwaahịa efere ígwè,
na H nkenke mgbe ịgbado ọkụ dịkwa elu na elu àgwà dịkwa mma. The ọkpụrụkpụ deviation nke ígwè efere (eji maka ịgbado ọkụ H-beams)
bụ n'ozuzu ole na ole ụzọ n'ụzọ iri nke a millimeter na ole na ole ụzọ n'ụzọ iri nke a millimeter, mgbe ọkpụrụkpụ deviation nke na-ekpo ọkụ akpọrepu H-beams bụ ole na ole ụzọ n'ụzọ iri nke a.
milimita ruo 1 millimeter, nke fọrọ nke nta ka ọ bụrụ okpukpu iri dị iche.
4) Arụmọrụ kwụsiri ike na ezigbo nhazi ime. Ebe ọ bụ na mmepụta nke efere ígwè si na-agbaze na nkedo na-aga n'ihu na-atụgharị bụ
dị elu karịa nke H-beams na-ekpo ọkụ ) na-egosi na a pụrụ ịdabere na ya ma kwụsie ike.
5) Ọ dị mfe ịnwe ntụpọ ịgbado ọkụ. Ọ bụ ezie na e nwere ọtụtụ uru ndị a kpọtụrụ aha n'elu, n'ihi ịgbado ọkụ akpụ, e nwere ịgbado ọkụ fọdụrụnụ
Nchegbu thermal na mpaghara ịgbado ọkụ, nhazi nke mpaghara ịgbado ọkụ dị iche, yana enwere nrụgide nhazi, nke na-enwekarị ntụpọ ịgbado ọkụ.
Site na mmụba na-aga n'ihu nke ọkwa ịgbado ọkụ na ọkwa ọgwụgwọ okpomọkụ, a na-eji nwayọọ nwayọọ belata ọghọm ndị a. Taa, elu-edu welded
Ejirila H-beams na mpaghara dị iche iche gụnyere ụlọ ọrụ agha na ikuku ikuku.
