Commodity

Stainless Steel Seamless Tubes

Production Process

Cold Drawn / Cold Rolled

Surface Finish

Bright Annealed / Pickling / Polished / Mechanical Polished

Delivery Status

Soft state (HRB≤90)

Steel Grade

TP304 / TP304L / TP316L / TP321 / TP317L / 2205 / 2507

Standard

ASTM (ASME) SA / A312 / A213 / A269 and DIN, GB, JIS.

Size

OD 1/8" - 1 1/2" (4mm-38mm), WT 0.028"- 0.118"(0.7mm-3mm).

Tolerance

Outer Diameter: ±0.08mm(0.00315"), Wall Thickness: ±10%

Length

As Customer' s Requirement.

Testing

Hydrostatic Test / Air Pressure Airtight Detection / Eddy Current Testing

Marking on tubes

As Customer' s Requirement.

Certification

ISO9001:2015 / ISO14001:2015 / ISO45001:2018 / HSE / PED

Delivery

In time as per agreement and the delivery time in 45 days.

Packing

Wrapped with plastic bags and protected with plywood case or iron case. Weight of each cases no more than 1000kgs.

Advantages

The outer surface of stainless steel seamless tubes are polished delicately, the wall thickness is uniform, the tolerance is precise, and the inner surface of stainless steel seamless tubes are clean. Each small outer diameter stainless steel seamless tubes have been tested by air pressure or hydrostatic test and eddy current testing and the inner diameter of tubes has been inspected with an endoscope.

Application Scope

Stainless steel seamless tubes are widely used in petrol, chemical, pharmacy, foodstuff, machinery, spaceflight, war industry, hardware, boiler gas, hot-water heating parts, shipping, power and other industries.

Stainless Steel Seamless Tubes can be provided according to the customer's requirements.

EN

EN10216-5, EN10216-2

DIN

DIN 17456, DIN 17458

ASTM

ASTM A312, A213, A269, A511, A789, A790; B163, B423, B407, B668

ASME SA213, SA312, SA789, SA790, SB163, SB423, SB407, SB668

JIS

JIS G3459, G3463

GOST

GOST 9941, GOST 5632

GB

GB/T14975, GB/T14976, GB13296, GB5310, GB9948

 Peeling lines

2

         Φ50-200mm

 Piercing lines

6

         Φ60-200mm

 Cold drawing lines

26

         Φ6-850mm

 Cold rolling lines

16

         Φ15-355mm

 Straightening machine

6

         Φ12-426mm

 Annealing furnace

2

 Pickling pool

8