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ASTM A709 ipu uamea
ASTM A709 ipu uamea
ASTM A709 ipu uamea
ASTM A709 ipu uamea

ASTM A709 ipu uamea

ASTM A709 / A709M Fa'amatalaga Fa'asinomaga mo le Kaponi ma le Malosi Maualuga Fa'ata'otoga U'amea Maualalo, Papatusi, ma Pa ma Pa'u u'amea Fa'ata'oto mo Alalaupapa Oloa ma Au'aunaga / Standards & Publications / Standards Oloa
Fa'amatalaga o oloa
O le ASTM A709 o le Fa'amatalaga Fa'asinomaga mo Structural Steel mo Alalaupapa ma e aofia ai le kaponi, malosi-maualalo-alloy, ma tineia ma fa'afefeteina u'amea u'amea fa'aaogaina e fai ma laupapa faufale i le fausiaina o alalaupapa. Ua ofoina atu e Gnee ia togi e lima o le A709; 36, 50, 50W, HPS 50W ma HPS 70W. O togi e tolu o le tau o le 50W, HPS 50W, ma le HPS 70W o loʻo iai le ASTM G101 faʻaleleia le Atmospheric Corrosion Resistance Index o le ≥6.0.
Su'ega vaila'au & meatotino fa'ainisinia
A709 Vasega 36 Su'ega vaila'au Su'esu'ega vevela
Mafiafia mm Uamea faufale Papa Uamea Uamea Taamilomilo Pa
≤20 20~≤40 40~≤65 65~≤100 ≤20 20~≤40 40~≤100
C, maualuga,% 0.25 0.25 0.25 0.25 0.27 0.26 0.27 0.28
Mn,% 0.80-1.20 0.80-1.20 0.80-1.20 0.60-0.90 0.60-0.90
P,max,% 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04
S, maualuga,% 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05
Si 0.40 maualuga 0.40 maualuga 0.40 maualuga 0.15-0.40 0.15-0.40 0.40 maualuga 0.40 maualuga 0.40 maualuga
Ku, min,% 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20

O le 709 Gr. 36 mea tau masini
A709 Vasega mafiafia
mm
Tuuina atu
[MPa]
Ta'alo [MPa] Fa'aumi ole Min % fa'aitiitiga
Min
%
HB
Papa Uamea Uamea faufale
8in[200mm] 2in[50mm] 8in[200mm] 2in[50mm]
36[250] ≤100 [250]min 400-550 20 23 20 21
[250]min 400min 20 19
50[345] ≤100 345min 450min 18 21 18 21F
50S[345S] G 345-450HI 450minH 18 21
50W[345W]
HPS50W[HPS345W]
≤100 345min 485min 18 21 18 21J
HPS70W[HPS485W] ≤100 485min 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

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A514 Vasega H, ASTM A514Gr.H, A514 Vasega H ipu uamea
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