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.
Add to Cart
Packaging Details
Export Standard packing
Delivery Time
5-25 days,depend on the actual quantity and stock situation.
We are the manufacturer! We give you best prices, qualtiy and servise as always. Contact us, let’s talk more!
| Tolerance | a) Outer Diameter: +/- 0.2mm b) Thickness: +/- 0.02mm c) Length: +/- 5mm |
| Surface | Picked, polished |
| Specification | 1).Heat exahanger tube for petrochemical,chemical and ocean development 2).Industrial furnace and heater tubes 3).for gas turbine and prochemical processing 4).Condenser tubes,sulfuric and phosphoric acids tubes,API tubing 5).Construction and ornament 6).Acid production,waste incineration,FGD,paper processing industrial etc |
| Material | Alloy : Alloy 20/28/31; Hastelloy: Hastelloy B / B-2/B-3/C22/C-4/S/ C276/C-2000/G-35/G-30/X/N; Haynes: Haynes 230/556/188; Inconel: Inconel 100/600/601/602CA/617/625713/718738/X-750,Carpenter 20; Incoloy: Incoloy 800/800H/800HT/825/925/926; GH: GH2132,GH3030,GH3039,GH3128,GH4180,GH3044 Monel: Monel 400/K500 Nitronic: Nitronic 40/50/60; Nimonic: Nimonic 75/80A/90 ; Nickle: Nickle 200/201; 600 series: 13-8ph,15-5ph,17-4ph,17-7ph(630,631),660A/B/C/D, Duplex: 2205(UNS S31803/S32205),2507(UNS S32750),UNS S32760,2304,LDX2101.LDX2404,LDX4404,904L Others: 254SMo,253Ma,F15,Invar36,1J22,N4,N6 etc |
| Delivery conditions | Cold Drawn and annealed |
| Note | We can produce other standard as the customers’ requirement. |
Packing:
Export Standard packing with woven cloth, carton/strong plywood case/woden box for safety
Bar &forgings,Pipes &pipe fittings, Sheet,Strip: Packed in Nylon Poly cloth first,then woden box if needed.
The goods can also be packed as the clients' demand.
Delivery time:
If we have stocks for your demanded size, we can deliver within 3 days.
Chemical Composition
| GradeC | C | Si | Mn | P | S | Ni | Cr | Mo | N |
| 201(1Cr17Mn6Ni5N) | ≤0.15 | ≤1.0 | ≤5.5 | ≤0.06 | ≤0.03 | 3.5-5.5 | 16.0-18.0 | — | ≤0.25 |
| 202(1Cr18Mn8Ni5N) | ≤0.15 | ≤0.07 | ≤7.5 | ≤0.06 | ≤0.03 | 4.0-6.0 | 17.0-19.0 | — | ≤0.25 |
| 3040Cr18Ni9) | ≤0.08 | ≤0.07 | ≤2.0 | ≤0.04 | ≤0.03 | 8.0-11.0 | 18.0-20.0 | — | — |
| 3040Cr18Ni9) | ≤0.08 | ≤0.07 | ≤2.0 | ≤0.04 | ≤0.03 | 8.0-11.0 | 18.0-20.0 | — | |
| 304L(00Cr18Ni10) | ≤0.03 | ≤0.07 | ≤2.0 | ≤0.04 | ≤0.03 | 8.0-11.0 | 18.0-20.0 | — | — |
| 316(0Cr17Ni12Mo2) | ≤0.08 | ≤0.07 | ≤2.0 | ≤0.04 | ≤0.03 | 11.0-14.0 | 16.0-18.0 | 2.0-3.0 | — |
| 316L(0Cr17Ni14Mo2) | ≤0.03 | ≤0.07 | ≤2.0 | ≤0.04 | ≤0.03 | 11.0-14.0 | 16.0-18.0 | 2.0-3.0 | — |
| 321 | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.04 | ≤0.03 | 9.0-12.0 | 17.0-19.0 | Ti≥5xC | |
| 409 | ≤0.08 | ≤1.0 | ≤1.0 | ≤0.04 | ≤0.03 | ≤0.5 | 10.5-11.7 | Ti6xC%≤0.70 | |
| 409L | ≤0.03 | ≤1.0 | ≤1.0 | ≤0.04 | ≤0.03 | 0.5 | 10.5-11.7 | Ti8xC%≤0.70 | |
| 430 | ≤0.12 | ≤1.0 | ≤1.0 | ≤0.04 | ≤0.03 | 16.0-18.0 |
duplex 2205 2507 stainless steel pipes
1)Size and type:
Hexagon Bolt: M6-M64 full thread or half thread
Hexagon Nut: M3-M64
Threaded Rod:4-2000mm
Plain washers:M3-M64
And heavy hex bolts and nuts with all sizes
2)Treatment: cold forging
1. Materials option: Stainless Steel C276, 904L, 304, 304L, 310S, 316, 316L, 321, 317L, 2507, 2205, 254SMO, AL6XN, 1. 4501, 1. 4529.
Super duplex stainless steel F55, F51, F53 HastelloyB & C, Inconel, Incoloy etc.
2. Standards: GB, DIN, JIS, AISI/ASTM/ANSI/AMSE and BS EN, etc.
3. Packing: Cartons then pallet, or wooden box, or by clients' requirements.
4. Exported countries: United States, Germany, Saudi Arabia, South Korea, etc.
5. factory price, accept small order and short delivery time1
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.