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SA387/A387 Pressure Vessel Plate

SA387 steel plates are available in 5, 9, 11, 12, 22 and 91 grades 1 and 2 chromium-molybdenum alloy steel plates for high temperature + corrosive environments. Mainly used for boilers and pressure vessels.

A387 Pressure Vessel Plate ASMEPressure VesselSteel Plate SA387 Alloy Steel Pressure Vessel Plates ASME SA387 Pressure Vessel Plate

Reference Price: $580.00 - $650.00

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Introduction
Parameters
Service

SA387/A387 has high resistance to embrittlement as well as good impact toughness at low temperatures. It is suitable for refining and gas treatment in hydrotreating and conversion facilities at high temperatures, and is available in thicknesses up to 250mm. Depending on the thickness and impact requirements, the heat treatment of SA387 steel plates is either normalized and tempered or normalized and rapidly cooled and tempered.

A387/SA387 vessel steel plate is suitable for temperature range (316℃-593℃). Its high temperature properties are of particular interest even in the current trend of applications requiring high temperature toughness.SA387/A387 steel is usually treated with fine grain, low silicon, low sulfur, calcium, and sometimes Q&T production to achieve the highest level of toughness.SA387/A387 boiler steel plate is available in a wide range of temperatures from (316°C – 593°C) to (593°C).

Specification Parameters

SA387/A387 Boiler Steel Plate Chemical Composition

	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 For Class 1 Steel Boiler Plate

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

Tensile Requirements For Class 2 Steel Pressure Vessel Steel Plate

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	–

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SA387/A387 Pressure Vessel Plate

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SA387/A387 Pressure Vessel Plate

SA387/A387 Boiler Steel Plate Chemical Composition

Tensile Requirements For Class 1 Steel Boiler Plate

Tensile Requirements For Class 2 Steel Pressure Vessel Steel Plate

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