Ny tanjaka avo lenta avo lenta avo lenta ASTM A709GR.50W antsoina koa hoe lovia vy toetr'andro A709 Grade 50W ho tombony amin'ny fananany amin'ny fanoherana ny harafesina amin'ny atmosfera. Araka ny singa simika lehibe samy hafa misy, A709 Grade 50W dia nizara ho A709Gr50w karazana A, A709Gr50w karazana B, A709Gr50w karazana C. Ireo telo naoty vy dia mitovy amin'ny famaritana ASTM A 588 /A 588M A588 Grade B, A588 Grade A, ary A588 Grade C.Low firaka vy ambany A709 Grade 50W ihany koa dia nanana ny kely indrindra mamokatra tanjaky ny 345 Mpa toy ny A709 Grade 50 takelaka vy.
A709 Gr.50W weathering takelaka vy, izay malaza amin'ny fananany amin'ny rivotra fanoherana harafesiny. A709 Grade 50W takelaka vy no be mpampiasa amin'ny fanorenana milina, milina fitrandrahana, kamiao, tetezana, fanerena vesselsstructures fanorenana sns.
Fepetra ara-teknika & tolotra fanampiny:
Ho an'ny fananana bebe kokoa amin'ny takelaka vy A709 Gr.50S, azafady jereo ireto manaraka ireto;
A709 Grade 50S Famoronana simika Famakafakana hafanana
singa | Chemical% |
C, max | 0.23 |
Mn | 0.50-1.60A |
Sy, max | 0.40 |
V, max | 0.15B |
Nb, max | 0.05B |
P, max | 0.035 |
S, max | 0.045 |
Cu, max | 0.60 |
Ni xma | 0.45 |
Cr, max | 0.35 |
Mo, max | 0.15 |
Vidiny A709 | Matevina MG |
Manomeza làlana [MPa] |
Fihenjana [MPa] | Elongtation Min % | fampihenana Min % |
HB | |||
Plate vy | vy ara-drafitra | ||||||||
8 in[200mm] | 2 in[50mm] | 8 in[200mm] | 2 in[50mm] | ||||||
36[250] | ≤100 | [250]min | 400-550 | 20 | 23 | 20 | 21 | … | … |
[250]min | 400 min | … | … | 20 | 19 | … | … | ||
50[345] | ≤100 | 345 min | 450 min | 18 | 21 | 18 | 21F | … | … |
50S[345S] | h | 345-450HI | 450minH | … | … | 18 | 21 | … | … |
50W[345W] HPS50W[HPS345W] |
≤100 | 345 min | 485 min | 18 | 21 | 18 | 21J | … | … |
HPS70W[HPS485W] | ≤100 | 485 min | 585-760 | … | 19K | … | … | … | … |
100 [690], 100W [690W], HPS100W [HPS690W] | ≤65 | 690 mnB | 760-895 | … | 18K | … | … | L | 235-293M |
100 [690], 100W [690W], | 65-100 | 620 minB | 690-895 | … | 16K | … | … | L | … |