A302 GR.D ji esi mmiri ọkụ na Pressure Vessel Steel efere

Okpomọkụ ígwè efere A302 Ọkwa D bụ ụdị alloy ígwè na manganese,Molybdenum na nickel.A302 ọkwa D nwere elu nickel mmewere na Rolling karịa ji esi mmiri ọkụ ígwè efere A302 Ọkwa C.Pressure arịa ígwè efere ekesịpde otu uru nso na n'ibu ihe onwunwe dị ka. A302 Grade B na A302 Grade C, mpụta ike n'elu 345 Mpa, na tensile ike n'ime 550-690 Mpa.Gnee ígwè ga-amasị na-enye MTC n'okpuru format EN 10204 3.1 ma ọ bụ EN 10204 3.2 na ndị ọzọ nnyocha.

Ọkpụrụkpụ: 6MM ruo 300MM,
Ogologo: 1500mm ruo 4050mm,
Ogologo: 3000mm ruo 15000mm

Ngwakọta kemịkal A302
Carbon, max	%	Manganese, max	%	Silikoni, max	%	Sulfur max	%
25mm ma ọ bụ n'okpuru	0.2	Nyocha okpomọkụ	1.15-1.50	Nyocha okpomọkụ	0.15-0.40	Ha niile gbara ọkpụrụkpụ	0.035
25-50mm	0.23	Nyocha ngwaahịa	1.07-1.62	Nyocha ngwaahịa	0.13-0.45
ihe karịrị 50 mm	0.25
		Molybdenum max	%	nickel kacha	%	Phosphorus	%
		Nyocha okpomọkụ	0.45-0.60	Nyocha okpomọkụ	0.70-1.0	Ha niile gbara ọkpụrụkpụ	0.035
		Nyocha ngwaahịa	0.41-0.64	Nyocha ngwaahịa	0.67-1.03

Ngwongwo igwe nke A302 Grade D steel plate	A302 Ọkwa D
Ike tensile, kis [MPa]	80-100 [550-690]
Mpụta ike, min, kis [MPa]	50 [345]
Mgbatị n'ime inch 8 [200 mm], nkeji, %	17
Mgbatị n'ime inch 2 [50 mm], nkeji, %	20

Ihe chọrọ nka na ụzụ na ọrụ ndị ọzọ:
♦  Nnwale erughị ala
♦  Nnwale emetụta ọnọdụ okpomọkụ dị ala
♦  Edoziri maka efere ndị gbara ọkpụrụkpụ karịrị 40mm
♦  Ngwọta okpomọkụ nke welded (PWHT) simulated
♦  Na-atụgharị n'okpuru ọkọlọtọ NACE MR-0175 (HIC+SSCC)
♦  Enyere asambodo ule Orginal Mill n'okpuru EN 10204 FORMAT 3.1/3.2
♦  Mgbawa agbawa na eserese, ịcha na ịgbado ọkụ dị ka onye ọrụ njedebe chọrọ.