■ Large Size Forged Steel Flange				大口径锻钢法兰

Description for Large Size Forged Steel Flange

大口径锻钢法兰描述

		Chinese Standard		ANSI/ASTM
Type: Standard & Code:		Weld Neck Flange RF   HG20623-97   HG20615-97, HG20624-97   HG20625-97, HG20626-97   SH3406-96		Weld Neck Flange RF   Blind Flange RF   ANSI B16.47 Series B (API 605)
Material:		20#   0Cr18Ni10Ti   0Cr18Ni9   00Cr19Ni10   0Cr17Ni12Mo2   00Cr17Ni14Mo2		ASTM A105   ASTM A182 GR.F321   ASTM A182 GR.F304   ASTM A182 GR.F304L   ASTM A182 GR.F316   ASTM A182 GR.F316L
Class and Size:		PN2.0, DN650-1500   PN5.0, DN650-1500   PN11.0, DN650-900   PN15.0, DN650-900		150LB 26"-60"   300LB 26"-60"   600LB 26"-36"   900LB 26"-36"

		Chinese Standard		ANSI/ASTM
Type: Standard & Code:				Weld Neck Flange   Blind Flange RF/RJ   ANSI B16.47 Series A (MSS SP-44)
Material:				ASTM A105   ASTM A182 GR.F12   ASTM A182 GR.F11   ASTM A182 GR.F22   ASTM A182 GR.F5   ASTM A182 GR.F321   ASTM A182 GR.F304   ASTM A182 GR.F304L   ASTM A182 GR.F316   ASTM A182 GR.F316L
Class and Size:				150LB 26"-60"   300LB 26"-60"   600LB 26"-60"   900LB 26"-48"

Chemical Composition & Mechanical Properties of Large Size Forged Steel Flange

大口径锻钢法兰化学成份及机械性能

Spec. No. Grade		Chemical Compositions（max%） C Mn P S Si Cr Cu Mo Ni V Nb Ti Al		Mechanical Properties (min) Tensile (MPa) Yield (MPa) Elongation % Reduction % Impact Akv(J) Hardness (HB)

A105 - Forgings Carbon Steel for Piping Components

A350 - Forgings, Carbon and Low Alloy Steel, Requiring Notch Toughness Testing for Piping Components

A182 - Forged or Rolled Alloy Steel Pipe Flanges, Forged Fittings and Valves, and Parts for High Temperature Service

A105		0.35		0.60- 1.05		0.035		0.040		0.10- 0.35		0.30		0.40		0.12		0.40		0.05		0.02						485		250		30		30				≤187

LF2		0.30		0.60- 1.35		0.035		0.040		0.15- 0.30		0.30		0.40		0.12		0.40		0.03		0.02						485-655		250		30		30		20		≤197

F12 CL1		0.05- 0.15		0.30- 0.60		0.045		0.045		0.50		0.80- 1.25				0.44- 0.65												415		205		20		45				121-174

F12 CL2		0.10- 0.20		0.30- 0.80		0.040		0.040		0.10- 0.60		0.80- 1.25				0.44- 0.65												485		275		20		30				143-207

F11 CL1		0.05- 0.15		0.30- 0.60		0.030		0.030		0.50- 1.00		1.00- 1.50				0.44- 0.65												415		205		20		45				121-174

F11 CL2		0.10- 0.20		0.30- 0.80		0.040		0.040		0.50- 1.00		1.00- 1.50				0.44- 0.65												485		275		20		30				143-207

F11 CL3		0.10- 0.20		0.30- 0.80		0.040		0.040		0.50-1.00		1.00- 1.50				0.44- 0.65												515		310		20		30				156-207

F22 CL1		0.05- 0.15		0.30- 0.60		0.040		0.040		0.50		2.00- 2.50				0.87- 1.13												415		205		20		35				170

F22 CL3		0.05- 0.15		0.30- 0.60		0.040		0.040		0.50		2.00- 2.50				0.87- 1.13												515		310		20		30				156-207

F5		0.15		0.30- 0.60		0.030		0.030		0.50		4.0- 6.0				0.44- 0.65		0.50										485		275		20		35				143-217

F5a		0.25		0.60		0.040		0.030		0.50		4.0- 6.0				0.44- 0.65		0.50										620		450		22		50				187-248

F321		0.08		2.00		0.045		0.030		1.00		≥17.0						9.00- 12.00						5C%- 0.70				515		205		30		50

F304		0.08		2.00		0.045		0.030		1.00		18.00- 20.00						8.00- 11.00										515		205		30		50

F304L		0.035		2.00		0.045		0.030		1.00		18.00- 20.00						8.00- 13.00										485		170		30		50

F316		0.08		2.00		0.045		0.03		1.00		16.00- 18.00				2.00- 3.00		10.00- 14.00										515		205		30		50

F316L		0.035		2.00		0.045		0.03		1.00		16.00- 18.00				2.00-3.00		10.00- 15.00										485		170		30		50

JB4726-2000 - Carbon and Low Alloy Steel Forgings for Pressure Vessels

JB4727-2000 - Low Alloy Steel Forgings for Low Temperature Pressure Vessels

JB4728-2000 - Stainless Steel Forgings for Pressure Vessels

20#

0.17- 0.23

0.60- 1.00

0.030

0.020

0.17- 0.37

0.25

0.25

0.25

390-540

215

24

34

106-159

16MnD

0.13- 0.18

1.20- 1.60

0.025

0.015

0.20- 0.60

0.30

0.25

0.40

0.030

≥ 0.015

450-600

275

20

27

15CrMo

0.12- 0.18

0.30- 0.80

0.030

0.020

0.10- 0.60

0.80- 1.25

0.25

0.45- 0.65

0.30

440-610

275

20

34

118-180

12Cr1MoV

0.09- 0.15

0.40- 0.70

0.030

0.020

0.17- 0.37

0.90- 1.20

0.25

0.25- 0.35

0.30

0.15- 0.30

440-610

255

19

34

118-180

12Cr2Mo1

0.15

0.30- 0.60

0.025

0.150

0.50

2.00- 2.50

0.25

0.90- 1.10

0.30

510-680

310

18

41

136-201

1Cr5Mo

0.15

0.6

0.030

0.020

0.50

4.00- 6.00

0.25

0.45- 0.65

0.50

590-760

390

18

34

174-229

0Cr18Ni10Ti

0.08

2.00

0.035

0.030

1.00

17.00- 19.00

9.00- 12.00

≥ 5C%

520

205

35

139-187

0Cr18Ni9

0.07

2.00

0.035

0.030

1.00

17.00- 19.00

8.00- 11.00

520

205

35

139-187

00Cr19Ni10

0.03

2.00

0.035

0.030

1.00

18.00- 20.00

8.00- 12.00

480

175

35

128-187

0Cr17Ni12Mo2

0.08

2.00

0.035

0.030

1.00

16.00- 18.00

2.00- 3.00

10.00- 14.00

520

205

35

139-187

00Cr17Ni14Mo2

0.03

2.00

0.035

0.030

1.00

16.00- 18.00

2.00- 3.00

12.00- 15.00

480

175

35

128-187