1. Njirimara ihe na nkọwapụta ọkọlọtọ
34CrMo4 bụ ígwè nhazi chromium-molybdenum alloy, nke a na-ejikarị emepụta silinda gas dị elu, silinda na akụkụ ndị ọzọ nwere ihe achọrọ arụmọrụ siri ike. Site n'echiche nke nkọwapụta ọkọlọtọ, ọ bụ otu n'ime ihe ígwè alloy akọwapụtara nke ọma na ọkọlọtọ Europe EN 10083-3, ọ na-emezukwa ihe achọrọ dị mkpa nke ọkọlọtọ China GB 18248, nke na-enye nkwa a pụrụ ịdabere na ya maka ịdị mma na arụmọrụ ya. O nwere ike dị elu, ezigbo iguzogide okpomọkụ na iguzogide ike ọgwụgwụ. Ụkpụrụ maka mmejuputa paịpụ ígwè 34CrMo4 na-enweghị ntụpọ maka silinda gas dị iche iche, na-ekpuchi ọtụtụ ọkọlọtọ mba na nke mba ụwa. Ndị a gụnyere
Ọkọlọtọ ndị China: GB/T 18248-2021 (maka ọkpọkọ silinda gas naanị)
Ọkọlọtọ Europe: EN 10083-3/EN 10297-1
Ụkpụrụ mba ụwa: ISO 11120
Ọkọlọtọ Amerịka: ASTM A372/A372M-3
Ọkọlọtọ ndị Japan: JIS G 3429
2. Njikwa ihe mejupụtara kemịkalụ (%)

Ihe	C	Si	Mn	P≤	S≤	Cr	Mo	ọzọkwa
Ọdịnaya dị n'ime	0.30-0.37%	≤0.40%	0.60-0.90%	0.020%	0.020%	0.90-1.20%	0.15-0.30%	Ni≤0.30% Cu≤0.20%

Rịba ama: phosphorus na sọlfọ zuru oke ≤ 0.030%

3.Ọrụ igwe dị mma nke ukwuu

Mgbe a gwọchara okpomọkụ ma mee ka ọ dị jụụ (quenching + tempering), paịpụ ígwè 34CrMo4 na-enweghị ntụpọ nwere ike ịdọkpụ nke ≥980MPa, ike mmepụta nke ≥835MPa, na ogologo nke ≥12%. Na obere okpomọkụ nke -50°, ike mmetụta ka nwere ike ịdị ≥27J.

4. Isi ihe dị mkpa n'usoro mmepụta
1. Usoro mmepụta ihe:
Iji usoro nhazi ọkụ/oyi na-enweghị ntụpọ → nchọpụta ntụpọ ultrasonic (UT) → imenyụ na imegharị (imenyụ + imegharị) → ule hydraulic → nyocha ngwaahịa emechara
2. Ọnọdụ nnyefe:
A na-enye ya n'ọkwa a na-akpọgharị ma ọ bụ nke oyi na-adọkpụ, a chọrọ ọgwụgwọ okpomọkụ ikpeazụ mgbe onye ọrụ ikpeazụ mechara nhazi ya.
5. Mkparịta ụka n'etiti ọkwa ụlọ
34CrMo4 jigide otu aha ahụ n'ụkpụrụ ndị China, arụmọrụ ya dịkwa ka:
GB/T 3077: 34CrMo
Akara ndị yiri ya: 42CrMo (a ga-agbanwe ihe mejupụtara ya)
6. Ebe a na-ejikarị eme ihe

Ụlọ ọrụ mmepụta ihe	Ngwa akọwapụtara	Ihe achọrọ maka arụmọrụ
Nchekwa ike na njem	Silinda CNG/LPG, silinda nchekwa hydrogen	Mbuli elu (20-35MPa)
Ngwa ahụike	Silinda oxygen ahụike	Ịdị ọcha dị elu (ọdịnaya S/P dị ala)
Ngwa mgbanyụ ọkụ	Silinda iku ume, silinda ihe mgbanyụ ọkụ	Mmetụta mmetụta dị ala na okpomọkụ
Ụgbọ njem	Silinda sistemụ breeki ụgbọ ala azụmaahịa	Ike ọgwụgwụ mgbochi
Ndị agha na ụgbọelu	Tankị ihe na-akpalite ọkụ	Nhazi ọka dị oke mma

7. Nkọwapụta ngwaahịa nkịtị (mm)

Oke dayameta mpụta: Φ108-356
Oke ọkpụrụkpụ mgbidi: 4-16.8
Nha ndị a na-ahụkarị:
Φ139.7 × 4.5, Φ203 × 5.4, Φ279 × 6.8, Φ355.6 × 7.5, wdg.
(A na-akwado nhazi nha na-abụghị ọkọlọtọ)
8. Isi ebe eji 34CrMo4 eme ihe
A na-ejikarị 34CrMo4, dịka ihe eji eme ihe n'ime ígwè chromium-molybdenum, emepụta ihe eji eme ihe n'ime ígwè nke na-enweghị ntụpọ maka silinda gas/silinda ígwè dị elu na ihe ndị nwere nrụgide dị elu. N'ọrụ bara uru, a na-ejikarị ya eme ihe n'imepụta silinda CNG, gụnyere imepụta silinda gas eke a kpọchiri akpọchi maka ụgbọala na silinda akpa ndị ọzọ nwere nrụgide dị elu, na-enye nkwado ihe a pụrụ ịdabere na ya maka ubi ndị a.