hot rolled seamless boiler steel pipe

Commodity: DIn1629 seamless steel tube

Available Standard specification and steel grade:

Size range: 88.9mm*5mm-235mm*80mm

Manufacture method: hot rolled.

Delivery condition:as rolled,stress relieved,annealed,normalized,normalized+tempered,quenched+tempered

OD tolerance: +/-0.5%

W.T tolerance: +/-10%

Application: for fuild transmission,structural use,mechanical&engineering purpose,ship building,pressure vessels,oil&gas pipelines,etc.

Packing: in bundles tied with steel strips. Bare surface or oil coating or varnish,or black painting. End plastic caps.

External packing as per request of customer.

Shipping: we suggest shipment effected by containers or break bulk vessel.

 Based on our facilitites,the following services are available:

1. cold drawing.

2. special htea treating like quenching+tempering

3. External surface grinding

4. External surface polishing

5. Internal surface honing

6. deep hole drilling

7. Skiving&roller burnishing

We are API 5L,ISO9001-2008 certified manufacturer of hot rolled,cold drawn,and hydraulic cold drawn seamless steel pipes/tubes upto 325mm*50mm(hydraulic cold drawn) and 235mm*80mm(hot rolled).

Payment: L/C, T/T,D/P.

MOQ: 4 tons for each size.

Warranty: 1 year after shipment of tubes.

Third party inspection before shipment is acceptable.