Agbara giga kekere alloy irin awo ASTM A709GR.50W tun ti a npè ni bi weathering irin awo A709 ite 50W ni anfani ti awọn oniwe-ini ni bugbamu ipata resistance. Gẹgẹbi awọn eroja kemikali akọkọ ti o wa ninu rẹ, A709 Grade 50W ti pin bi A709Gr50w iru A, A709Gr50w iru B, A709Gr50w iru C. Awọn iwọn irin mẹta wọnyi jẹ deede si pato ASTM A 588/A 588M A588 Grade A, ati A588 Grade C.Low alloy steel plate A709 Grade 50W tun ni agbara ikore ti o kere ju lopin ni 345 Mpa bi A709 Grade 50 irin awo.
A709 Gr.50W weathering irin farahan, eyi ti o jẹ olokiki fun awọn oniwe-ini ni bugbamu ipata resistance. A709 Ite 50W awọn awo irin ti wa ni lilo pupọ ni ẹrọ ikole, ẹrọ iwakusa, ikoledanu, awọn afara, ile awọn ohun elo titẹ ati bẹbẹ lọ,
Awọn ibeere Imọ-ẹrọ & Awọn iṣẹ afikun:
Fun ohun-ini diẹ sii ni awo irin A709 Gr.50S, jọwọ ṣayẹwo wọn ni atẹle;
A709 ite 50S Kemikali tiwqn Heat onínọmbà
Eroja | Kemikali% |
C, o pọju | 0.23 |
Mn | 0.50-1.60A |
Si, max | 0.40 |
V, o pọju | 0.15B |
Nb, max | 0.05B |
P, max | 0.035 |
S, o pọju | 0.045 |
Ku, max | 0.60 |
Ni xma | 0.45 |
Kr, max | 0.35 |
Mo, max | 0.15 |
A709 ite | Nipọn mm |
So eso [MPa] |
Fifẹ [MPa] | Ilọsiwaju Min% | idinku Min % |
HB | |||
Irin Awo | Irin igbekale | ||||||||
8 ninu [200mm] | 2 ninu [50mm] | 8 ninu [200mm] | 2 ninu [50mm] | ||||||
36[250] | ≤100 | [250] min | 400-550 | 20 | 23 | 20 | 21 | … | … |
[250] min | 400 iṣẹju | … | … | 20 | 19 | … | … | ||
50[345] | ≤100 | 345 iṣẹju | 450 iṣẹju | 18 | 21 | 18 | 21F | … | … |
50S[345S] | G | 345-450HI | 450minH | … | … | 18 | 21 | … | … |
50W[345W] HPS50W[HPS345W] |
≤100 | 345 iṣẹju | 485 iṣẹju | 18 | 21 | 18 | 21J | … | … |
HPS70W[HPS485W] | ≤100 | 485 iṣẹju | 585-760 | … | 19K | … | … | … | … |
100 [690], 100W [690W],HPS100W [HPS690W] | ≤65 | 690 minB | 760-895 | … | 18K | … | … | L | 235-293M |
100 [690], 100W [690W], | 65-100 | 620 minB | 690-895 | … | 16K | … | … | L | … |