A709Gr50S,A709Gr.50S,A709 Grade 50S,A709 Gr 50S,Grade A709Gr50S,A709 Grade 50S
Kupitisha kiwango: ASTM A709/A709M-07
Gnee steel grade:A709 Gr.100/100W,A709 Grade 36,A709 Grade 50,A709 Grade 50S,A709 Grade 50W,A709 Grade HPS50W,A709 Grade HPS70W,A709 Grade 1WGrade 7 A9PSGrade 7.
A709 Daraja la 50S sahani ya chuma
A709 Daraja la 50S daraja la chuma ni aloi ya chini ya muundo wa chuma cha kaboni inayotumika katika ujenzi wa miradi ya madaraja.
Linganisha A709 Gr.100, na daraja la A709 Gr.50w, A709 Gr.50S ina nguvu ya chini ya mavuno katika 345Mpa kawaida. Ombi la 709 Gr.50S kuuawa au nusu kuuawa katika utengenezaji.
Usambazaji wa chuma cha Gnee A709 Gr.50S miaka mingi nchini Uchina miradi ya daraja la bara. Pia tuna saizi nyingi za hisa katika A709 Gr.50S kwa mahitaji ya haraka kwa wateja wetu. Sasa, tunapanua soko letu la chuma la ng'ambo katika sahani za chuma za A709 Gr.50S.
Kwa mali zaidi katika sahani ya chuma ya A709 Gr.50S, tafadhali yaangalie katika zifuatazo;
A709 Daraja la 50S Muundo wa Kemikali Uchambuzi wa joto
Kipengele | Kemikali% |
C, max | 0.23 |
Mhe | 0.50-1.60A |
Si, max | 0.40 |
V, upeo | 0.15B |
Nb, max | 0.05B |
P, upeo | 0.035 |
S, upeo | 0.045 |
Kumbe, max | 0.60 |
Ni xma | 0.45 |
Kr, max | 0.35 |
Mo, max | 0.15 |
Daraja la A709 | Nene mm |
Mazao [MPa] |
Tensile [MPa] | Elongtation Min % | kupunguza Dak % |
HB | |||
Bamba la Chuma | Chuma cha miundo | ||||||||
inchi 8[200mm] | 2 in[50mm] | inchi 8[200mm] | 2 in[50mm] | ||||||
36[250] | ≤100 | [250]dakika | 400-550 | 20 | 23 | 20 | 21 | … | … |
[250]dakika | Dakika 400 | … | … | 20 | 19 | … | … | ||
50[345] | ≤100 | Dakika 345 | Dakika 450 | 18 | 21 | 18 | 21F | … | … |
50S[345S] | G | 345-450HI | 450minH | … | … | 18 | 21 | … | … |
50W[345W] HPS50W[HPS345W] |
≤100 | Dakika 345 | Dakika 485 | 18 | 21 | 18 | 21J | … | … |
HPS70W[HPS485W] | ≤100 | Dakika 485 | 585-760 | … | 19K | … | … | … | … |
100 [690], 100W [690W],HPS100W [HPS690W] | ≤65 | 690minB | 760-895 | … | 18K | … | … | L | 235-293M |
100 [690], 100W [690W], | 65-100 | 620minB | 690-895 | … | 16K | … | … | L | … |