Project Description

Ⅰ. Overview of ASTM A517:

ASTM A517 steel plate is a kind of  high-strength quenched and tempered alloy steel plates intended for use in fusion welded boilers and other pressure vessels

 

Ⅱ. Maximum Thickness

Maximum Thickness for ASTM A517 Pressure Vessel Plates
Material Grade Thickness
A，B 1.25in. (32mm)
H, S 2in. (50mm)
P 4in. (100mm)
F 2.50in. (65mm)
E, Q 6in. (150mm)

 

Ⅲ. Chemical Requirements

Chemical Requirements for ASTM A517 Pressure Vessel Plates
Elements
Gr.A
Gr.B
Gr.E
Gr.F
Gr.H
Gr.P
Gr.Q
Gr.S
Carbon, max
  Heat Analysis
0.15-0.21
0.15-0.21
0.12-0.20
0.10-0.20
0.12-0.21
0.12-0.21
0.14-0.21
0.10-0.20
  Product Analysis
0.13-0.23
0.13-0.23
0.10-0.22
0.08-0.22
0.10-0.23
0.10-0.23
0.12-0.23
0.10-0.22
Manganese
  Heat Analysis
0.80-1.10
0.70-1.00
0.40-0.70
0.60-1.00
0.95-1.30
0.45-0.70
0.95-1.30
1.10-1.50
  Product Analysis
0.74-1.20
0.64-1.10
0.35-0.78
0.55-1.10
0.87-1.41
0.40-0.78
0.87-1.41
1.02-1.62
Phosphorous, max
0.025
0.025
0.025
0.025
0.025
0.025
0.025
0.025
Sulfur, max
0.025
0.025
0.025
0.025
0.025
0.025
0.025
0.025
Silicon
  Heat Analysis
0.40-0.80
0.15-0.35
0.10-0.40
0.15-0.35
0.15-0.35
0.20-0.35
0.15-0.35
0.15-0.40
  Product Analysis
0.34-0.86
0.13-0.37
0.08-0.45
0.13-0.37
0.13-0.37
0.18-0.37
0.13-0.37
0.13-0.45
Nickel
  Heat Analysis
…
…
…
0.70-1.00
0.30-0.70
1.20-1.50
1.20-1.50
…
  Product Analysis
…
…
…
0.67-1.03
0.27-0.73
1.15-1.55
1.15-1.55
…
Chromium
  Heat Analysis
0.50-0.80
0.40-0.65
1.40-2.00
0.40-0.65
0.40-0.65
0.85-1.20
1.00-1.50
…
  Product Analysis
0.46-0.84
0.36-0.69
1.34-2.06
0.36-0.69
0.36-0.69
0.79-1.26
0.94-1.56
…
Molybdenum
  Heat Analysis
0.18-0.28
0.15-0.25
0.40-0.60
0.40-0.60
0.20-0.30
0.45-0.60
0.40-0.60
0.10-0.35
  Product Analysis
0.15-0.31
0.12-0.28
0.36-0.64
0.36-0.64
0.17-0.33
0.41-0.64
0.36-0.64
0.10-0.38
Boron
0.0025 max
0.0005-0.005
0.001-0.005
0.0005-0.006
0.0005 min
0.001-0.005
…
…
Vanadium
  Heat Analysis
…
0.03-0.08
B
0.03-0.08
0.03-0.08
…
0.03-0.08
…
  Product Analysis
…
0.02-0.09
…
0.02-0.09
0.02-0.09
…
0.02-0.09
…
Titanium
  Heat Analysis
…
0.01-0.04
0.01-0.10
0.10 max
0.10 max
0.10 max
…
0.06 max
  Product Analysis
…
0.01-0.05
0.005-0.11
0.11 max
0.11 max
0.11 max
…
0.07 max
Zirconium
  Heat Analysis
0.05-0.15
…
…
…
…
…
…
…
  Product Analysis
0.04-0.16
…
…
…
…
…
…
…
Copper
  Heat Analysis
…
…
…
0.15-0.50
…
…
…
…
  Product Analysis
…
…
…
0.12-0.53
…
…
…
…
Columbium, max
  Heat Analysis
…
…
…
…
…
…
…
0.06
  Product Analysis
…
…
…
…
…
…
…
0.07

 

Ⅳ. Tensile Requirements

Tensile Requirements for ASTM A517 Pressure Vessel Plates
≤2.50in. (65mm) >2.50-6in.(65-150mm)
Tensile Strength, ksi[Mpa] 115-135[795-930] 105-135[725-930]
Yield Strength, ksi[Mpa] 100[690] 90[620]
Elongation in 2in. [50mm], min, % 16 14
Reduction of area, min, %
Rectangular specimens 35 …
Round specimens 45 45

 

Ⅴ. Heat Treatment

1. Except as allowed by item 2, the plates shall be heat treated by heating to not less than 1650°F [900°C], quenching in water or oil and tempering at not less than 1150°F [620°C].

2. Plates ordered without the heat treatment specified in item 1 shall be stress relieved by the manufacturer, and subsequent heat treatment of the plates to conform to item 1 shall be the responsibility of the purchaser.

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