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[China]
Trade Verify
Address: 2F,Building7,Baolong Center,No.689,Xiwang Road,Jiading District,Shanghai,201800,China
Contact name:Joy Wang
TOBO STEEL GROUP CHINA |
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Verified Suppliers
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Stainless Steel ASTM A403 WP317 / 317L , 347 Stainless Steel Tee 10” SCH40S SCH80S Equal / Reducer TEE ASME B 16.9
| Stainless Steel | Tradename | UNS no. | Werkstoff No. | Density (g/cm3) |
| 347 | Stainless 347 | S34700 | 1.4550 | 7.96 |
| 347H | Stainless 347H | S34709 | 1.4961 | 7.96 |
TOBOGROUP is a leading manufacturer, supplier and exporter of stainless steel 347 (1.4550), and 347H (1.4961) buttweld pipe fittings, forged fittings and flanges.
TOBO offers a complete range of stainless steel 347 pipe fittings such as SS 347 reducer, SS 347 elbow, SS 347 tee, SS 347 cross, SS 347 end caps, SS 347 stub ends and SS 347 pipe bends. Stainless steel 347 and 347H pipe fittings are manufactured in compliance with ASTM A-403 and ANSI B16.9 / 16.28/ MSS SP-43 / Welding Bevel Standards ANSI B 16.25.
We specialise in the manufacture and supply of SS 347 pipe bends in both standard and non standard sizes, with bending radius of 1D to 10D or any other custom bending radius. We offer ex-stock delivery of various standard size and type SS 347 pipe fittings, SS 347 flanges and SS 347 pipe bends. Our specialty is to manufacture and supply large size fabricated 100% radiography tested SS 347 elbows, SS 347 reducers, SS 347 tees and SS 347 large diameter fabricated pipes.
347/347H stainless steel is type of common austenitic stainless
steels such as 304, 316 and 321, but also contains columbium and is
most widely used in high temperature applications. Stainless steel
347 has excellent forming and welding qualities, and the addition
of columbium and tantalum helps for exceptional intergranular
corrosion resistance.
Grade 347 is similar to grade 321, but with slightly improved
corrosion resistance in strongly oxidizing environments. Stainless
steel 347 is essentially non-magnetic in the annealed condition and
can only be hardened by cold working.
METLINE also stocks and supplies a complete range of SS 316 | 316L pipes to complement our existing production range of SS 316 buttweld fittings and SS 316 flanges. Stainless steel 316/316L pipes can be supplied in cut to length sizes and also machined or fabricated to meet your custom piping requirements.
 SS 347/347H Flanges Manufacturer/Supplier |  SS 347/347H Pipe Fittings Manufacturer/Supplier |  SS 347/347H Pipes Supplier/Stockholder |
| Specification | ASTM A182 / A403 & ASME SA182 / SA403 |
| Type | Seamless / Welded / Fabricated |
| Variants | 347, 347H |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Range | ½”NB to 48”NB in Sch 10s, 40s, 80s, 160s, XXS. |
| Dimensions | ANSI/ASME B16.9, B16.28, MSS-SP-43. |
| Products | Size | |
| SS 347 Elbows – Long Radius | SS 347 Stub Ends | Sizes 1/2″ – 48″ |
| SS 347 Elbows – Short Radius | SS 347 Crosses | |
| SS 347 Reducing Elbows | SS 347 Reducing Crosses | |
| SS 347 45° Elbows | SS 347 180° LR Return Bends | |
| SS 347 Tees | SS 347 180° SR Return Bends | |
| SS 347 Fabricated Tees | SS 347 Pipe Bends / Piggable Bends | |
| SS 347 Reducers | SS 347 Couplings | |
| SS 347 Concentric Reducers | SS 347 Pipe Nipples | |
| SS 347 Eccentric Reducers | SS 347 Forged/Plate Cut Rings | |
| SS 347 3D Elbow | SS 347 End Caps | |
| SS 347 5D Elbow | SS 347 Forged / Plate Circles | |
| Products | Size | |
| SS 347 90° Elbows | SS 347 Couplings | Sizes 1/8″ – 4″ Pressure Ratings – |
| SS 347 45° Elbows | SS 347 Reducers | |
| SS 347 Street Elbows | SS 347 Inserts | |
| SS 347 Tees | SS 347 Caps | |
| SS 347 Crosses | SS 347 Unions | |
| Specification | ASTM A182 / A240 & ASME SA182 / SA240 |
| Grade | 347, 347H |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Size | 1/8” to 36″ |
| Dimensions | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Product | Size | |
| SS 347 Slip-On Flanges | SS 347 Threaded Flanges | 1/8″ – 36″ Raised Face or Flat Face |
| SS 347 Weld Neck Flanges | SS 347 Socket Weld Flanges | |
| SS 347 Blind Flanges | SS 347 Reducing Flanges | |
| SS 347 Lap Joint Flanges | SS 347 Plate Flanges | |
Products are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases. All fittings and flanges are marked with Grade, Lot No, Size, Degree and our trade mark. On special requests we can also, make custom marking on our products.
At TOBO all fittings and flanges are subject to strict inspection at each stage of the production process, from starting material purchasing to product dispatch. They are visually examined for conformity to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality conformity of products.
Test Certificates: Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Repo
