A105 ígwè tube ihe

A105 bụ nọmba ọkọlọtọ ASTM nke America, yana A na-anọchite anya igwe arụrụ arụ carbon nkịtị.
Standard aha: carbon ígwè forgings maka ọkpọkọ components.N'ihi na ọ bụ naanị otu carbon steel forging ka akọwapụtara na ọkọlọtọ a, A105 bụ ọbụna ọkwa nchara carbon nchara.A105 bụkwa koodu ihe onwunwe, nke bụ nke ígwè pụrụ iche ma bụrụ igwe oyi akpụkọrọ akpụkọ.A105 bụ obere carbon ígwè forging, yiri 20 ígwè.Enwere ụkpụrụ abụọ, otu bụ ọkọlọtọ America ASTM A105/A105M Carbon Steel Forgings maka akụrụngwa ọkpọkọ, nke ọzọ bụ ọkọlọtọ China GB/T12228-2006 Ọnọdụ nka maka Carbon Steel Forgings for General Purpose Valves.
Ihe mejupụtara C: ≤ 0.35 Si: ≤ 0.35 Mn: 0.6-1.05 S: ≤ 0.050 P: ≤ 0.040, Cu ≤ 0.4 Ni ≤ 0.4 Mo ≤ 0.12 V ≤ 0.12 V ≤ 0.05 C.
Ngwongwo igwe dị n'etiti No. 20 forged steel na 16Mn ekwodoro nchara.
Ngwongwo igwe (Mpa)
Ike tensile: (σ b)≥485Mpa
Ike mpụta (σ s)≥250Mpa
Post elongation (δ) ≥22%
Mbelata mpaghara (ψ) ≥30%
Isi ike ≤ HB187
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