Detailed Product Description

Standard Name: DIN2391 Seamless precision steel tubes; Technical delivery conditions

Product particular communication:

1) Size:18-32 mm (OD) x 1 - 8mm (WT) ;

2) Tight tolerance, Smooth surface, Uniform mechanical property(Mechanical Properties equilibrium) ;

3) Heat treatment: BK, BKS, GBK, NBK,Stress Relief, Normalizing, Spheroidize Anneal, Annealing, Bright Annealing, Normalized, Quenched and Tempered, Solution Annealing, etc ;

4) Continuous stenciling as required ;

5) Rust prevention treatment, such as: immersion oil, lacquer, passivation, phosphating,etc;

6) Plastic plugs or caps on both ends as required ;

7) Packaging: Hexagonal bundles of max. 1,500kg with several steel strips, Wrapped in waterproof paper, PVC sleeve,and sackcloth with several steel strips or packed in heavy tri-wall boxes, wooden boxes, wooden slats as requires;Type: Round , Square, Rectangle, Hexagon. Streamline, etc;

8) Relevant Test: Chemical Component Analysis,Mechanical Properties(Ultimate tensile strength,Yield strength,Elongation),Technics Properties(Flattening Test,Flaring Test,Bending Test,Hardness Test,Blow Test,etc), Exterior Size Inspection, Nondestructive Test,Hydrostatic Test;

9) Main Applications: Automobile Industry, Mechanical and Structral Purpose, Hydraulic and Petrochemical Purpose, etc.

Commercial Information:
 1) Delivery : Within 30 days ;
 2) Min Order : Carbon tube at least 5 Ton Per Item; Alloy tube will be 25 Ton ;
 3) Packing way : As per our export standard for shipment ;
 4) Term of payment : 30% T/T within 3 days after signing the contract, balance 70% before shipment. Or 30%T/T +70% irrepealable L/C ; 
5) Delivery Port : Shanghai Port ;
6) Offer Validity : 5-7 Days ;