ASTM A285 Vasega A ipu u'amea u'amea

ASTM A285 faʻataʻitaʻiga mo le uamea kaponi, paʻu uʻamea maualalo ma le vaeluagalemu e faʻatatau mo vaʻa faʻapipiʻi faʻapipiʻi.

O le ipu uʻamea i lalo ole ASTM A285 o loʻo i ai i vasega e tolu, A, B ma C, faʻaoga masani ole ASTM A285 Vasega C papatusi.
Le mea e tatau ona faia i faiga u'amea tapē, semi-fasi, pupuni po'o rimmed u'amea i le filifiliga a le gaosi oloa.

Mafiafia: 6MM i le 300MM,
Lautele: 1500mm i le 4050mm,
Umi: 3000mm i le 15000mm

A285 vasega A Kemimisa Tulaga
Vasega	Ole Elemene Max (%)
	C	Si	Mn	P	S
A285 vasega A	0.17	0.08-0.45	0.98	0.035	0.035

Kaponi Tutusa: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

Vasega		A285 grade A Mechanical Property
	mafiafia	Tuuina atu	Tensile	Fa'aumiumi
A285 vasega A	mm	Min Mpa	Mpa	Min%
	6-50	165	310-450	30%
	50-200	165	310-450	27%

Fa'asinomaga Pepa:

ASTM Sandards:

A20/A20M: Manaoga lautele mo ipu uʻamea mo vaʻa mamafa.

Manaoga Lautele ma Fa'amatalaga Fa'atonu:

Fa'ata'ita'iga ma toe su'esu'e metotia, fa'agasologa, fa'apalepale fua, tele, tulaga lelei ma fa'aletonu le toe fa'aleleia, fa'ailogaina, utaina ma fa'atonu fa'amatalaga e tatau ona tausisia A20/A20M.
I le faaopoopo atu i manaoga faavae, o loo maua nisi manaoga faaopoopo.
E le o aofia ai u'amea mai le A285 seia o'o ina tipi i le ipu.