TOBO STEEL GROUP CHINA
TOBO GROUP TOBO International Trading(Shanghia)Co.,Ltd Tianda Oil Pipe Co., Ltd TOBO Pipeline Equipment Co.,Ltd TPCO & TISCO Pipe(Tianjin)Co.,Ltd.
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UNS S32750 2507 ASTM A790 ASTM A789 Duplex Stainless Steel Pipe/Tubing From China
| Product name | Stainless steel seamless/welded pipe |
| Material | 300s:301,302,303,304,304L,309,309s,310,310S,316,316L,316Ti,317L,321,347 200s:201,202,202cu,204 400s:409,409L,410,420,430,431,439,440,441,444 Other:2205,2507,2906,330,660,630,631,17-4ph,17-7ph, S318039 904L,etc Dup: S22053,S25073,S22253,S31803,S32205,S32304 Spec: 904L,347/347H,317/317L,316Ti,254Mo |
| Standard | JIS,GB,ASTM,DIN,EN |
| Technique | Cold drawn |
| OD | 1-1500mm |
| Wall Thickness | 0.1-80mm |
| Length | 5.8m~12m/customized design |
| Surface Treatment | BA/2B/NO.1/NO.3/NO.4/8K/HL/2D/1D |
| Packaging | 1. Bundle packing. 2. Bevelled end or plain end or warnished as per buyer's required. 3. Marking: as per customer's requests. |
| MOQ | 1 ton |
| Payment Terms | T/T,L/C, West Union, etc |
| Testing | Chemical Component Analysis, Mechanical Properties, Exterior Size Inspection, hydraulic testing etc. |
| Application | Structure pipe; High and low pressure boiler tube; Liquid delivery; Seamless steel pipe for petroleum cracking ,Oil pipe, Gas pipe |
| Advantages | 1.Reasonable price with excellent quality 2.Abundant stock and prompt delivery 3.Rich supply and export experience, sincere service 4. Reliable forwarder, 2-hour away from port. |
Nominal Dia: 1/2 "to 32" NB for seamless pipe
Schedules: 5S, 10S, 40S, 80S, 10, 20, 30...120, 140, 160, XXS
All dimensions are in accordance with ANSI B36.19 and ANSI B36.10
Size Range for tubing: OD:1/4" (6.25mm) to 8" (203mm), WT 0.02" (0.5mm) to 0.5"(12mm)
Length: 30 m(Max) or as your requirement
Process: Cold drawn, Cold rolled, Precision Rolled for Seamless Pipe or Tube
Finish: Annealed & pickled, bright annealing, polished
Ends: Beveled or plain end, square cut, burr free ,Plastic Cap at Both end
Chemical Composition
| Grade | C (Max) | Mn (Max) | P (Max) | S (Max) | Si (Max) | Cr | Ni | Mo | Nitrogen (Max) | Cu/ Others |
| 201 | 0.15 | 5.50-7.50 | 0.06 | 0.03 | 1 | 16.00-18.00 | 3.50-5.50 | - | 0.25 | |
| 202 | 0.15 | 7.50-10.00 | 0.06 | 0.03 | 1 | 17.00-19.00 | 4.00-6.00 | - | 0.25 | |
| 301 | 0.15 | 2 | 0.045 | 0.03 | 1 | 16.00 - 18.00 | 6.00 - 8.00 | - | 0.1 | - |
| 304 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.00 - 20.00 | 8.00- 10.50 | - | 0.1 | - |
| 304L | 0.03 | 2 | 0.045 | 0.03 | 1 | 18.00 - 20.00 | 8.00- 12.00 | - | 0.1 | - |
| 310S | 0.08 | 2 | 0.045 | 0.03 | 1.5 | 24.00- 26.00 | 19.00-22.00 | - | - | - |
| 316 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.00 - 18.00 | 10.00- 14.00 | 2.00 - 3.00 | 0.1 | |
| 316L | 0.03 | 2 | 0.045 | 0.03 | 1 | 16.00 - 18.00 | 10.00- 14.00 | 2.00 - 3.00 | 0.1 | - |
| 316Ti | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.00 - 18.00 | 10.00- 14.00 | 2.00 - 3.00 | 0.1 | Ti5x C Min |
| 317 | 0.08 | 2 | 0.045 | 0.03 | 0.75 | 18.00 - 20.00 | 11.00 - 14.00 | 3.00 - 4.00 | 0.1 | - |
| 317L | 0.03 | 2 | 0.045 | 0.03 | 0.75 | 18.00 - 20.00 | 11.00 - 15.00 | 3.00 - 4.00 | 0.1 | - |
| 321 | 0.08 | 2 | 0.045 | 0.03 | 0.75 | 17.00 - 19.00 | 9.00 - 12.00 | - | 0.1 |
In bundles, plywood cases, wooden cases with water-proof package, etc.
Delivery Time
35 Days after get the payment
| Name | SAF 2205 Duplex/Super Duplex Stainless Steel pipe (1.4462,UNS S31803/UNS S32205) |
| Standard | ASTM A789,ASTM A790, ASTM A213, A269, A312, A511, A789, A790, A376, EN 10216-5, EN 10297,DIN 17456, DIN 17458,JISG3459, JIS GS3463, GS3467, JIS G3448, GOST 9940, GOST 9941,GB/T 21833 |
| Material | S32750 SAF2507 F53 1.4410 X2CrNiMoN25-7-4 , S32760 1.4501 F55 X2CrNiMoCuWN25-7-4 , UNS S31803, UNS 32160, UNS S32205 |
| Type | Seamless/Welded |
| Technique | Cold Finished (Cold Drawing and Cold Rolling), Hot Finished (Hot Extrusion) |
| Ends | PE/Plain Ends, BE/Beveled Ends |
| Surface Treatment | Pickled,Passivation,Inside & Outside Mechanical Polishing, BA, Electropolishing (EP) |
| Application | Gas and Fluid Transportation;Mechanical Pipline;Engineering Projects;Petrochemical industry; Power Station etc. |
| Package | In bundles, plywood cases, wooden cases with water-proof package, etc. |
| Trade Terms | FOB, CIF, CFR, DDP, EXW, etc. |
| Payment Terms | T/T, L/C |
All of our orders will be inspected by our QC team. We will check the quality during the production time .Also check the quality before shipping .
1.Before production, we will use spectrometer to test raw material to prevent mistakes
2.Every step QC department will record ,such as raw material cutting dimension, semi-finished product size, quantity , finished item detailed size
3.Before delivery ,detailed inspection report of finished products will present .
4. Beside size, we will check 10% to 20% of total quantity products whether have thread broken ,greasy, marking.packing ect.
5.Before delivery ,we will provide our mill test certificate together with inspection report.
6.Our mechanical property always shows tensile strength ,yield strength ,elongation,hardness, if you need more, just let us know in advance.
| 1.100% PMI,Spectro Chemical Aanlysis Test for Raw Material |
| 2.100% Dimension & Visual Examination |
| 3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reversed Flattening Test |
| 4.100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test (ET or UT) |
| 5.Radiographic Test for Welded Pipe (shall be accordance with specification,or shall be as agreed upon between the purchaser and vendor) |
| 6.Straightness Test (optional) |
| 7.Roughness Test (optional) |
| 8.Intergranular Corrosion Test(optional) |
| 9.Impact Test (optional) |
| 10.Grain Size Determinations (optional) |
| NOTES : ALL THE TESTS AND INSPECTION RESULT NEED TO BE SHOWED IN REPORTS ACCORDING TO STANDARD AND SPECIFICATION. |