A709 Grade 50S maitai

A709Gr50S,A709Gr.50S,A709 Kōeke 50S,A709 Gr 50S,Kōeke A709Gr50S,A709 Kōeke 50S

Whakauruhia te paerewa: ASTM A709/A709M-07
Koeke maitai Gnee:A709 Gr.100/100W,A709 Grade 36,A709 Grade 50,A709 Grade 50S,A709 Grade 50W,A709 Grade HPS50W,A709 Grade HPS70W,A709 Grade 100,A709 Grade 100,A709 HPS70W,A709 Grade 100,A709

A709 Grade 50S pereti maitai

Ko te A709 Koeke 50S te karaehe rino he kaha teitei te iti o te koranu waro waro e whakamahia ana ki te hanga kaupapa piriti.

Whakatauritea A709 Gr.100, me A709 Gr.50w kōeke, A709 Gr.50S he kaha tuku iti i roto i te 345Mpa i roto i te tikanga. He 709 Gr.50S nga tono i patua, i te hangahanga ranei.
Ko te Gnee maitai te tuku A709 Gr.50S mo nga tau maha i roto i nga kaupapa piriti whenua o Haina. He maha ano nga rahi o a matou i roto i te A709 Gr.50S mo te hiahia ohorere ki o taatau kaihoko. Inaianei, kei te whakanuia e matou to maatau maakete rino o tawahi ki nga pereti rino A709 Gr.50S.

Mo etahi atu taonga kei roto i te pereti rino A709 Gr.50S, tena koa tirohia mai i muri mai;
A709 Kōeke 50S Te hanganga matū Te tātari wera

Huānga	matū %
C, mōrahi	0.23
Mn	0.50-1.60A
Ko ,max	0.40
V ,Make	0.15B
Nb, morahi	0.05B
P ,max	0.035
S ,max	0.045
Cu ,max	0.60
Na xma	0.45
Cr ,max	0.35
Mo ,max	0.15

He 709 Gr. 50S taonga miihini

A709 Kōeke	Mātotoru mm	Tukunga [MPa]	Tana [MPa]	Whakaroa Min %				whakahekenga Min %	HB
				Pereti maitai		Te maitai hanganga
				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	…