A612 ígwè

Nke a nkọwapụta na-ekpuchi gburu carbon-manganese-silicon ígwè efere ezubere maka welded arịa nrụgide na-eje ozi na agafeghị oke na okpomọkụ. Dị ka omume nchara nchara, a ga-egbu ígwè ahụ ma kwekọọ n'ihe achọrọ nha nha ọka austenitic. A na-enyekarị efere n'ụdị akpọrepu.

A na-ejikarị efere ígwè A612 eme ihe na ụlọ ọrụ mmanụ gụnyere inshore na nke dịpụrụ adịpụ, A612 ígwè efere nwekwara ike iji maka petrochemical na ụlọ ọrụ mmepụta gas.

Ngwakọta kemịkalụ
Njirimara mejupụtara ndị a bụ nkọwa ASTM maka A612 site na iji nyocha okpomọkụ.

A612
CARBON MAX	0.25%
MANGANESE	1.00-1.50%
PHOSPHORUS MAX	0.030%
SULFUR MAX	0.030%
SILICON	0.15-0.50%
Ọla kọpa MAX	0.35%
NICKEL MAX	0.25%
CHROMIUM MAX	0.25%
MOLYBDENUM MAX	0.08%
VANADIUM MAX	0.08%

Ngwongwo ihe ndị a bụ nkọwapụta ASTM na a ga-akwado ya na mkpesa Nnwale Mill.

A612	EKWU IKE (KSI)	IKE TENSILE (KSI)	MIN. 8" ogologo %
N'okpuru 0.5 IN. Okpokoro	50	83-105	16
Karịa 0.5 IN. TO 1 IN. Okpokoro	50	81-101	16