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347 Cold Rolled 16 Gauge Stainless Steel Sheet MTC, ISO Certification
Alloy 347 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.
Specifications: UNS S34700 / S34709
Alloy 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. Applications that consistently used Alloy 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
Chemical Properties:
| C | Cr | Mn | Ni | P | S | Si | Cb/Ta | |
| 347 | 0.08 max | min: 17.0 max: 20.0 | 2.0 max | min: 9.0 max: 13.0 | 0.04 max | 0.30 max | 0.75 max | min:10x C max: 1.0 |
| 347H | min: 0.04 max: 0.10 | min: 17.0 max: 20.0 | 2.0 max | min: 9.0 max: 13.0 | 0.03 max | 0.30 max | 0.75 max | min:10x C max: 1.0 |
| Grade | Tensile Strength ksi (MPa) min | Yield Strength 0.2% ksi offset ksi (MPa) min | Elongation (% in 50mm) min | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
| 347/347H | 75 (515) | 30 (205) | 40 | 201 | 95 |
Sheet Production Progress
1.GRINDING
Grinding finish, also called brushed, directional or satin finish.
coil or sheet...
2.POLISHING
polished stainless steel sheet uses grinding fluid to polish by
polishing equipment on stainless steel ..
3.PVD COLOR COATING
PVD means Physical Vapor Deposition,working in vacuum
condiction.....
.
Surface of Cold Rolled Stainless Steel Sheet
| Thickness | Characteristics | Applications |
| No. 1 | 3.0mm~150.0mm | | Chemical industry equipment,Industrial tanks |
| 2B | 0.2mm~6.0mm | | General Application Medical Instruments,Tableware |
| 0.5mm~30.0mm | Bright heat treatment after cold rolling | Kitchen utensil, kitchen ware,architectural purpose |
| 0.4mm~3.0mm | Polishing with No. 150 to No.180 mesh abrasives The most popular finishes | Milk & Food processing acilities, Hospital Equipment, Bath-tub |
| HL(Hair Line) | 0.4mm~3.0mm | Finished by continuous linear polishing | Architectural purposes, escalators, kitchen ware vehicles |
| 0.5mm~30.0mm | Shinning like a mirror | Building construction |
