A709Gr50S,A709Gr.50S,A709 Grade 50S,A709 Gr 50S,Grade A709Gr50S,A709 Grade 50S
Tekanyetso ea ho amohela: 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 36W,A700 Grade 7,A10 Grade 1W Grade 7 A9 PRES Grade.
A709 Grade 50S tšepe poleiti
A709 Grade 50S steel grade ke matla a phahameng a tlase a alloy structural carbon steel a sebelisoang ho aha merero ea borokho.
Bapisa A709 Gr.100, le A709 Gr.50w grade, A709 Gr.50S e na le chai e tlaase ka ho fetisisa matla a 345Mpa ka tloaelo. Likopo tsa 709 Gr.50S li bolailoe kapa li bolailoe ha li etsoa.
Phepelo ea tšepe ea Gnee A709 Gr.50S ka lilemo tse ngata tsa merero ea borokho ba naha ea China. Re boetse re na le li-stock tsa boholo bo bongata ho A709 Gr.50S bakeng sa tlhoko e potlakileng ho bareki ba rona. Hona joale, re holisa 'maraka oa rona oa tšepe mose ho maoatle ka lipoleiti tsa tšepe tsa A709 Gr.50S.
Bakeng sa thepa e eketsehileng ka poleiti ea tšepe ea A709 Gr.50S, ka kopo, li hlahlobe ka ho latela;
A709 Sehlopha sa 50S Sebopeho sa lik'hemik'hale Tlhahlobo ea mocheso
Element | Lik'hemik'hale |
C, max | 0.23 |
Mong | 0.50-1.60A |
Ke, max | 0.40 |
V, boholo | 0.15B |
Nb, boholo | 0.05B |
P, boholo | 0.035 |
S, max | 0.045 |
Ke, max | 0.60 |
Ke xma | 0.45 |
Cr, max | 0.35 |
Mo, max | 0.15 |
Sehlopha sa A709 | E teteaneng mm |
Khefutsa [MPa] |
Tensile [MPa] | Elongtation Min % | phokotso Min % |
HB | |||
Letlapa la tšepe | Tšepe ea sebopeho | ||||||||
8in[200mm] | 2in[50mm] | 8in[200mm] | 2in[50mm] | ||||||
36[250] | ≤100 | [250] mets | 400-550 | 20 | 23 | 20 | 21 | … | … |
[250] mets | 400mins | … | … | 20 | 19 | … | … | ||
50[345] | ≤100 | 345 mets | 450mins | 18 | 21 | 18 | 21F | … | … |
50S[345S] | G | 345-450HI | 450minH | … | … | 18 | 21 | … | … |
50W[345W] HPS50W[HPS345W] |
≤100 | 345 mets | 485 mets | 18 | 21 | 18 | 21J | … | … |
HPS70W[HPS485W] | ≤100 | 485 mets | 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 | … |