Heerarka Deegaanka ee EU-da ayaa Rohs 2.0 Codsi ah in Hay'adda Hogaanka (PB) ay ka yar tahay 1000ppm.baased ee ku saabsan Sendrent, Kinkou wuxuu la mid yahay kuwa ugu hooseeya ee loo yaqaan 'Tender C17300' . Waxqabadka goynta ee C17200 sidoo kale waa wanaagsan yahay.

1. Qaab-dhismeedka kiimikada ee hoggaanka hoose c17300

Nooc

Be

Ni + co

Ni + co + co

Pb

Cu

C17300

1.8-2.0

≥0.20

≤0.6

<0.1

Itashirid

2. Hantida jirka iyo farsamadaHogaanka hooseC17300

Sheegid
(Sida laga soo xigtay ASTM)

Daaweynta kuleylka
(℃)

Dhexroor

(mm)

Xoog TSensile (MPA)

Xoog soo saar (MPA)

Doogis

4x (%)

Adkayn

Wadahadal koronto

(Iacs,%)

Hv0.5

HRB ama HRC

TB00

775 ℃ ~ 800 ℃

Kulli

410-590

> 140

> 20

159-162

B45-b85

15-19

Td04

775 ℃ ~ 800 ℃ xalka + hannaanka qabow

8-20

620-860

> 520

> 8

175-257

B88-B102

15-19

0.6-8

620-900

> 520

> 8

175-260

B88-B103

Th04

315 ℃ x1 ~ 2hr

8-20

1140-1380

> 930

> 20

345-406

C27-c44

23-28

0.6-8

1210-1450

>000000

> 4

354-415

C38-C45


Waqtiga Post: Jan-12-2021