TISCO top quality 347/347H stainless steel hot rolled plate, 347/347H cold rolled stainless steel sheet

347 (S34700) is a stabilized, austenitic, chromium steel containing columbium which allows for the elimination of carbide precipitation, and, consequently, intergranualr corrosion. Alloy 347 is stabilized by the additions of chromium and tantalum and offers higher creep and stress rupture properties than alloy 304 and 304L which may also be used for exposures where sensitization and intergranualr corrosion are of concern. The addition of columbium also allows 347 to have excellent corrosion resistance, even superior to that of alloy 321.  347H is the higher carbon composition form of 347 and demonstrates improved high temperature and creep properties. 347 stainless steel plate is also advantageous for high temperature service because of its good mechanical properties. 347 stainless steel plate offers higher creep and stress rupture properties than 304 and, particularly, 304L, which might also be considered for exposures where sensitization and intergranular corrosion are concerns.
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347 is frequently used for the fabrication of equipment, which must be placed in service under severe corrosive conditions, and is also common to the petroleum refining industries. that consistently used 347 include: ▪  High temperature chemical processes ▪ Heat exchanger tubes ▪ High temperature steam service ▪ High pressure steam pipes ▪ Radiant superheaters ▪ Boiler tubes ▪ Heavy duty exhaust systems ▪ General refinery piping▪ ASTM/ASME: UNS S34700 / S34709 ▪ EURONORM: FeMi35Cr20Cu4Mo2 ▪ DIN: 2.4660Weight % (all values are maximum unless a range is otherwise indicated)
Element 347 347H
Cr 17.0-24.0 17.0-24.0
Ni 9.0-13.0 9.0-13.0
C 0.08 max 0.04-0.1
Mn 2.0 max 2.0 max
P 0.045 max 0.045 max
S 0.03 max 0.03 max
Si 0.75 max 0.75 max
Co+Ta 10 * (C + N) -1.00 8* (C + N) -1.00
Values at 68°F (20°C) (minimum values, unless specified)
0.2% Offset Yield Strength Ultimate Tensile Strength Elongationin 2” Hardness
Psi(min) Mpa Psi(min) Mpa % Brinell (max)
30,000 205 75,000 515 40 201
Alloy 347 stainless steel plate can be easily welded and processed by standard shop fabrication practices.
347/347H stainless steel strip sizes and specifications
Grade 347/347H
Cold rolled stainless steel strip Thickness: 0.3mm- 3.0mm, Width: 5mm - 900mm,Surface: 2B/BA/SB/8K/HL/1D/2D etc
Hot rolled stainless steel strip Thickness: 3.0mm - 16mm, Width: 10mm - 900mmSurface: No.1/pickling
Stainless steel foil Thickness: 0.02mm- 0.2mm, Width: Less than 600mm, Surface: 2B
Standard ASTM A240/A480, ASTM B688, ASTM B463/SB463, ASTM B168/SB168, ASTM B443/SB443/B424/SB424B625/SB625 B575/SB575, JIS G4303,  BS 1449, DN17441, G4305
 
347/347H stainless steel coil sizes and specifications
Grade 347/347H
Cold rolled stainless steel coil Thickness: 0.3mm- 3.0mm, Width: 1000mm - 2000mm,Surface: 2B/BA/SB/8K/HL/1D/2D etc
Hot rolled stainless steel coil Thickness: 3.0mm - 16mm, Width: 1000mm - 2000mmSurface: No.1/pickling
Standard ASTM A240/A480, ASTM B688, ASTM B463/SB463, ASTM B168/SB168, ASTM B443/SB443/B424/SB424B625/SB625 B575/SB575, JIS G4303,   BS 1449, DN17441, G4305
 
347/347H stainless steel pipe sizes and specifications
Grade 347/347H
Stainless steel seamless pipe Outside diameter: 4.0 - 1219mm, Thickness: 0.5 -100mm,Length: 24000mm
Stainless steel welded pipe Outside diameter: 6.0 - 2800mm, Thickness: 0.3 -45mm,Length: 18000mm
Stainless steel capillary pipe Outside diameter: 0.4 - 16.0mm, Thickness: 0.1 -2.0mm,Length: 18000mm
Stainless steel welded sanitary pipe Outside diameter:8.0- 850mm, Thickness: 1.0 -6.0mm
Stainless steel seamless sanitary pipe Outside diameter: 6.0- 219mm, Thickness: 1.0 -6.0mm
Stainless steel square pipe Side Length: 4*4 - 300*300mm, Thickness: 0.25 - 8.0mm, Length: 18000mm
Stainless steel rectangular pipe Side Length: 4*6 - 200*400mm, Thickness: 0.25 - 8.0mm, Length: 18000mm
Stainless steel coil pipe Outside diameter: 0.4 - 16mm, Thickness: 0.1 - 2.11mm
Standard American Standard: ASTM A312, ASME SA269, ASTM A269, ASME SA213, ASTM A213 ASTM A511 ASTM A789, ASTM A790, ASTM A376, ASME SA335, B161, SB163, SB338, SB667/668Germany Standard: DIN2462.1-1981, DIN17456-85, DIN17458-85·European Standard: EN10216-5, EN10216-2Japanese Standard: JIS G3463-2006, JISG3459-2012Russian Standard: GOST 9941-81
 
347/347H stainless steel profile sizes and specifications
Grade 347/347H
Specification EN, DIN, JIS, ASTM, BS, ASME, AISI, ISO
Standard ASTM A276/ASME SA276, ASTM A479/ASME SA479 & ASTM A164/ASME SA164 .
Stainless steel round Bar Diameter: 2mm - 600mm
Stainless steel bright Bar Diameter: 2mm - 600mm
Stainless steel hex Bar Dimension: 6mm - 80mm
Stainless steel square bar Dimension: 3.0 - 180mm
Stainless steel flat bar Thickness: 0.5mm - 200mm, Width: 1.5mm - 250 mm
Stainless steel angle bar as requirements
Length Normally 6m, or produce as requirements
Surface Black, Bright. Peeled and Polished, Solution annealed.
Delivery condition cold drawn, hot rolled, forged, grinding, centerless grinding
Tolerance H8, H9, H10, H11, H12, H13,K9, K10, K11, K12 or as per clients’ requirements
347/347H stainless steel plate sizes and specifications
Grade 347/347H
Cold rolled stainless steel plate Thickness: 0.3mm- 16.0mm, Width: 1000mm - 2000mm,Length: as requirements, Surface: 2B/BA/SB/8K/HL/1D/2D etc
Hot rolled stainless steel sheet Thickness: 3.0mm - 300mm, Width: 1000mm - 3000mmLength: as requirements, Surface: No.1/pickling
Standard ASTM A240/A480, ASTM B688, ASTM B463/SB463, ASTM B168/SB168, ASTM B443/SB443/B424/SB424B625/SB625 B575/SB575, JIS G4303,BS 1449, DN17441, G4305
Stainless steel plate Thickness: 8.0mm - 300mm, Width: 1000mm - 3000mmLength: as requirements, Surface: No.1/pickling
The alloy is quite ductile and forms easily. The high sulfur content of Alloy 303 also has a detrimental impact on hot workability. If hot forming is required, once again, 304 should be considered as an alternate selection.The cold work hardening rate of 347 stainless steel plate makes it less machinable than 410 stainless steel, but similar to 304.

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