80-16-02-1-B GOST 33259-2015 904L Ring Flange DN80 PN16

Type: GOST 33259 Ring Flange / Фланец 80-16-02-1-В ГОСТ 33259-2015
Material: AISI 904L
Standard: GOST 33259-2015
Pressure: PN16
Size: 3″ (DN80)

Composition ranges of grade 904L stainless steels

Grade		C	Mn	Si	P	S	Cr	Mo	Ni	Cu
904L	min. max.	– 0.02	– 2	– 1	– 0.045	– 0.035	19 23	4 5	23 28	1 2

Mechanical properties of grade 904L stainless steels

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
				Rockwell B (HR B)	Brinell (HB)
904L	490	220	36	70-90 typical	150

Dimensions of steel flat flanges free on the weld ring (type 02) and installation scheme for the pipe (Размеры фланцев стальных плоских свободных на приварном кольце (тип 02) и схема монтажа к трубе)

DN	PN, kgf / cm 2	Do		D2	dv		b		b1		with		c1	D		D1	d		n		Nominal diameter of bolts or studs
		Row 1	Row 2		Row 1	Row 2	Row 1	Row 2	Row 1	Row 2	Row 1	Row 2		Row 1	Row 2		Row 1	Row 2	Row 1	Row 2	Row 1	Row 2
DN 150	РN 1	157 164 173	–	202	154 161 170	–	sixteen	–	sixteen	–	6	–	four	260	–	225	18	–	eight	–	M16	–
	РN 2,5		174			170.5		20		14		6			265		18		eight		M16
	PH 6	157 164 173			154 161 170		sixteen
	РN 10	157 164 173		212	154 161 170		26	24	18	20				280	285	240	22				M20
	РN 16	157 164 173			154 161 170		28		22	20
	РN 25	157 164 173			154 161 170		thirty		24					300		250	26				M24
DN 200	РN 1	225	–	258	222	–	18	–	18	–	eight	–	four	315	–	280	18	–	eight		M16	–
	РN 2,5		226			221.5		22		sixteen		6			320		18				M16
	PH 6
	РN 10			268			26	24	20	20				335	340	295	22				M20
	РN 16						28	26	22										12
	РN 25			278			thirty	32	24	26				360		310	26				M24
DN 250	РN 1	279	–	312	273	–	20	–	18	–	eleven	–	6	370	–	335	18	–	12	–	M16	–
	РN 2,5		281			276.5		24		18		eight			375		18		12		M16
	PH 6
	РN 10			320			28	26	22	22				390	395	350	22				M20
	РN 16						thirty	28	24					405		355	26				M24
	РN 25			335			32	35	26					425		370	thirty				M27