ASME SA387 and ASTM A387 Gr. 11/12/22 Boiler and Pressure Vessel Steel Sheet Plate

• Type: Steel Plate
• Standard: ASTM, AISI
• Surface Treatment: Blackface
• Model NO.: a387
• Technique: Hot Rolled
• Application: Boiler Plate
• Stock: Stock
• Specification: Width 10-2000mm Length
• Trademark: TISCO BAO STEEL TAI STEEL MA STEEL
• HS Code: 7219340000
• Production Capacity: 50000kgs

Product Description

 

ASME SA387 and ASTM A387 Chrome Moly Plate for Boiler

Most commonly used steel specifications for Chrome Moly plate are ASME SA387 and ASTM A387

• Chemical and mechanical properties of the ASME and ASTM specifications are the same.
• Brown McFarlane supplies Chrome Moly plates to ASME SA387 and ASTM A387 both from stock and, where required by the customer, cut to size and shape.
• SA387 and A387 are described as a "Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum.

 

Chemical Requirements

	GR. 2	GR. 12	GR. 11	GR. 22	GR. 22L	GR. 21	GR. 21L	GR. 5	GR. 9	GR. 91*
C	0.05-0.21	0.05-0.17	0.05-0.17	0.05-0.15	0.10	0.05-0.15	0.10	0.15	0.15	0.08-0.12
Mn	0.55-0.80	0.40-0.65	0.40-0.65	0.30-0.60	0.30-0.60	0.30-0.60	0.30-0.60	0.30-0.60	0.30-0.60	0.30-0.60
P	0.025	0.025	0.025	0.025	0.025	0.025	0.025	0.025	0.025	0.020
S	0.025	0.025	0.025	0.025	0.025	0.025	0.025	0.025	0.025	0.010
Si	0.15-0.40	0.15-0.40	0.50-0.80	0.50	0.50	0.50	0.50	0.50	1.00	0.20-0.50
Cr	0.50-0.80	0.80-1.15	1.00-1.50	2.00-2.50	2.00-2.50	2.75-3.25	2.75-3.25	4.00-6.00	8.00-10.00	8.00-9.50
Mo	0.45-0.60	0.45-0.60	0.45-0.65	0.90-1.10	0.90-1.10	0.90-1.10	0.90-1.10	0.45-0.65	0.90-1.10	0.85-1.05
V	-	-	-	-	-	-	-	-	0.04	0.18-0.25

 

Tensile Requirements

Class 1 Plates

GRADE	TENSILE (MPA)	YIELD (MPA)	ELONG. (50MM)	REDUC'N OF AREA*
2, 12	380 - 550	230 min	22% min	-
11	415 - 585	240 min	22% min	-
22, 21, 5, 9	415 - 585	205 min	18% min	40% min
21L, 22L	415 - 585	205 min	18% min	40% min

Class 2 Plates

GRADE	TENSILE (MPA)	YIELD (MPA)	ELONG. (50 MM)	REDUC'N OF AREA*
2	485 - 620	310 min	22% min	-
11	515 - 690	310 min	22% min	-
12	450 - 585	275 min	22% min	-
22, 21, 5, 9	515 - 690	310 min	18% min	40% min
91	585 - 760	415 min	18% min	-

• ASTM STANDARD PRESSURE VESSEL STEEL