Aka-akwọ ụgbọala ntu mmecha ngwaike

Nkọwa dị mkpirikpi:

Emecha mbọ mbọ sitere na carbon ígwè.Na njedebe ya na-egbuke egbuke na-enye ihe ịchọ mma na ọmarịcha mma.Ntu ngwucha siri ike nke ukwuu iji jide mkpụbelata dị ka mkpọchi ọnụ ụzọ, ịkpụzi okpueze na bọọdụ ala.Ntu imecha dịkwa nro ma dịkwa gịrịgịrị iji mee ka mbelata, ndochi na imecha dị mfe.Ha agaghị ekewasị osisi ndị dị warara ma dị mkpa.

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Nkọwa ngwaahịa

Mkpado ngwaahịa

Ngwa

A na-eji ntu emecha mee ihe maka ijikọta mkpụbelata na ezigbo osisi.
A na-ejikwa ya mee ihe ịchọ mma n'ime ime ụlọ, nke dị mma n'ime osisi oak, birch, ukpa, na osisi ndị ọzọ siri ike.

Njirimara

Ntu imecha nwere obere isi, ọ fọrọ nke nta ka ọ bụrụ enweghị akara.
Ntucha imecha nwere njedebe na-egbuke egbuke na-enye ọdịdị mara mma.
Ntu imecha nwere ezigbo mgbanwe, ike dị elu na nguzogide corrosion.

Ihe mejupụtara maka mbọ waya nkịtị

Sus	C	Si	Mn	P	S	Ni	Cr	Mo	Cu
304	0.08	1.00	2.00	0,045	0.027	8.0-10.5	18.0-20.0	0.75	0.75
304Hc	0.08	1.00	2.00	0,045	0.028	8.5-10.5	17.0-19.0		2.0-3.0
316	0.08	1.00	2.00	0,045	0.029	10.0-14.0	16.0-18.0	2.0-3.0	0.75
430	0.12	0.75	1.00	0,040	0,030		16.0-18.0

Ụdị waya maka obodo dị iche iche

mm	CN.WG	SWG	BWG	AS.WG
1G			7.52	7.19
2G			7.21	6.67
3G			6.58	6.19
4G			6.05	5.72
5G			5.59	5.26
6G	5.00	4.88	5.16	4.88
7G	4.50	4.47	4.57	4.50
8G	4.10	4.06	4.19	4.12
9G	3.70	3.66	3.76	3.77
10G	3.40	3.25	3.40	3.43
11G	3.10	2.95	2.05	3.06
12G	2.80	2.64	2.77	2.68
13G	2.50	2.34	2.41	2.32
14G	2.00	2.03	2.11	2.03
15G	1.80	1.83	1.83	1.83
16G	1.60	1.63	1.65	1.58
17G	1.40	1.42	1.47	1.37
18G	1.20	1.22	1.25	1.21
19G	1.10	1.02	1.07	1.04
20G	1.00	0.91	0.89	0.88
21G	0.90	0.81	0.81	0.81
22G		0.71	0.71	0.73
23G		0.61	0.63	0.66
24G		0.56	0.56	0.58
25G		0.51	0.51	0.52