2017年2月8日星期三

ASTM A240 Grade 347 Stainless Steel Chemical/Physical/Mechanical Properties


Type 347 is a stabilized austenitic stainless steel similar to type 304 with an addition of Columbium and Tantalum. Alloy 347 stainless steel plate can be easily welded and processed by standard shop fabrication practices.
Grade 347 Stainless Steel Common Applications
Aircraft collector rings, Aircraft exhaust stacks, Boiler casings, Cabin heaters, Furnace heating elements, Heavy wall welded equipment
Composition of ASTM A240
Carbon
.08 Max
Manganese
2.00 Max
Phosphorus
.045 Max
Sulfur
.030 Max
Silicon
.75 Max
Chromium
17.00 - 19.00
Nickel
9.00 - 13.00
Nitrogen
.10 Max
Molybdenum


Mechanical Properties(Annealed, Per ASTM A240)

UTS
75 ksi Min

Elongation % in 2"
40.00 Min

Rockwell Hardness
RB95.00 Max

Features of ASTM A240 Grade 347
1, Good creep strength up to 1500°F
2, Maintains good corrosion resistance in applications where the temperature is between 800°F and 1500°F.
3, Good resistance to corrosion in the as welded condition.
Standard Inventory Specifications

UNS S34700
AMS 5512
AMS 5646
ASTM A 269
ASTM A 276
ASTM A193
ASME SA 269
ASME SA 276
EN 1.4550
PWA-LCS
GE-S400/1000
learn more:http://www.ice-steels.com/News/ASTM-A240-Grade-347-Stainless-Steel-ChemicalPhysicalMechanical-Properties.html
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