2mm ASTM A312 TP321 Austenitic Stainless Steel Pipe for industry

ASTM A312 TP321 Precision Seamless Steel Black Phosphate Cold-Rolled Seamless Tube​

Detailed Information

Cold drawn shaped seamless steel pipe Features: high quality raw materials, wick drawing finished, no oxidation heat treatment. Pipe size and high precision, smooth surface no dents, good finish, the high surface cleanliness, excellent mechanical properties. Suitable for machining of automotive components.

Our products are widely used in engineering machinery, machine tool industry, hydraulic industry, hydraulic lines, shipbuilding industry, automotive tubing, heavy vehicles,; special vehicles, locomotives, heavy machinery, forging machinery, diesel engines, injection molding machines, compressors, boiler, power generation equipment.

Alloy Steel ubend
ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91
Duplex Steel ubend
ASTM A 815 UNS NO S 31803, S 32205, S 32760, S 32750
Copper Nickel
C70600(90:10), C71500(70:30), C71640.

Stainless Steel Tubes Size for Heat Exchanger
Inch to mm Chart

Stainless Steel ubend :
ASTM A403 WP Gr. 304, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L, 316TI, 316H, 304L
Carbon Steel ubend
ASTM A 234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.
Low Temperature Carbon Steel
ASTM A420 WPL3 / A420WPL6
Alloy Steel ubend
ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91
Duplex Steel ubend
ASTM A 815 UNS NO S 31803, S 32205, S 32760, S 32750
Copper Nickel
C70600(90:10), C71500(70:30), C71640.

Packing and Shipping
Package:Standard export carton packing.
Delivery time:stock 7-10 workign days after confirming order,detail delivery date should be decided according to
production season and order quantity.

TEST CERTIFICATE
Mill Test Certificate as per EN 10204 / 3.1
Advanced capabilities for U-bent tubes:

1. Reliable bending machines
2. Precision bending dies
3. Eddy current test before bending
4. Bending up to 105’(32m) developed length
5. Electric resistance stress relief annealing after bending
6. Hydrostatic test after bending
7. OD and WT reduction Testing
8. Full bending radius and tube legs tolerance check
9. Stack-rack boxing

2) U Bend Tube Minimum tube wall thickness in the bend part (T min)T(min) ≥ (SW × (2×R + D))/( 2× (R+D)
where: SW is smallest wall thickness
D Nominal outside diameter
R radius
3) U Bend Tube Radius tolerance
1) for R 100 mm +/- 3 mm
2) for R ≥ 100 mm +/- 5 mm
4). U bend Pipe Straightness tolerance max. 1,5 mm per 1 m
U Bend Tube ends: plain, vertically cut to the tube axis
U Bend Tube OD in mm can be bent upon agreement: 15.8 16.0 17.0 18.0 19.05 20.0 21.3 25.4 26.7 31.8 32.0 38.1mm
U bend Tube Initial Length
Maximum lengths of 27000mm can be supplied on request

TOBO GROUP sales head offce in Shanghai.

We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area of 6,8,000square meters, existing 260 workers and 45 technicians.

We have five branch factories which can supply the best quality pipes, tubes, fittings flanges and related accessories. Now, it owns a number of advanced pipe production equipments, metal, forging, machining, cold forming, hot extrusion, such as heat treatment process, producing 60, 000 tons of pipe fittings. Company with a variety of detection devices, such as nondestructive testing, chemical analysis, metallographic examination, physical experiments. The technical is very strength, our main products contain fittingsforged socket welding fittings and threaded fittings, pipe weld and the materials of the products contain stainless steel ,duplex-stainless steel alloy steel.

In addition, we are authorized by more than 120 top-class mills from South Korea,Japan and China like JFE,SUMITOMO,POSCO,BAOSTEEL, TISCO,LISCO,.TPCO,HENGYANG VALIN and so on .

Our main products as follows:

• Stainless steel pipe & tube

(seamless pipe / welded pipe / square pipe / rectangular tube,duplex stainless / inconel tube)

• Carbon / alloy steel pipe & tube

(seamless pipe / ERW / SSAW / LSAW / UOE / hollow section pipe / Galvanized Pipe)

• Tubing and casting

(line pipe,water pipeline,gas pipeline,oil pipeline)

• Special steel tube

(copper tube/titanium tube/aluminium tube/nickel alloy )

• steel bar

(round bar/angle steel /flat steel/channel steel/steel wire)

• Pipe Fittings

(eblows, equal / reducing tees, concentric/eccentric reducers, caps, crosses, bends, dish end/end cup, stub ends, unions, couplings / hex couplings, swage nipples , nipples, hex. plug, sockolet, weldolet, thredolet, etc)

• Flange

(DIN flange/ AISI flange/blind flange/welding flange/stainless flange/slip on flange)

• steel sheet / coil

(stainless steel/carbon steel/alloy steel/galvanized steel/aluminium )

• Valve

(ball valve/gate valve/butterfly valve/globe valve/swing check valve/ check valve)

In order to comply with the global modernization services development trends and eliminating the varieties distress of the global enterprise‘s purchase in the consumables.. We coordinate the pressure pipe manufacturer which with the scale of production,quality control and high cost performance (has passed ISO 9001 quality series attestation, ccs, DNV,PED/97/23/EC,AD2000-WO,special equipment manufacturing license,ASME-SA182.through a variety of effective assort mechanism to make up the shortage of supply and Post-processing of VAT enterprise, and to supply high quality pipe fittings, because of the superior quality and good service, we have established long term business cooperation with more than 60 countries and areas,which covers Europe, Africa, South America, North America, Middle East, Taiwan and South East Asia and so on.

With many years effort and support from our valuable customers, these products have obtained a big market share in the world.

Our business principle is "Superior quality, Competitive price, Timely delivery and Considerate service " Standing to the principle of “Enterprises focus on the core business”, TOBO will actively promotes the globalization of business strategy approach, using advanced supply chain management technology to service for clients with higher quality and more competitiveness ‘ s products. At the same time, we sincerely reply your inquiry, honesty waiting for your visiting and wish to have cooperation with you at the any time. We welcome all the customers to contact us for more information. We assure you, with our technical knowledge and experience, our company will be one of your Stable, Continuate business parters in China.

info@tobo-group.com