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Standard Name:  ASTM A179/A179M   Standard Specification for Seamless cold-drawn low-carbon steel heat-exchanger and condenser tubes

Specification:

1) Size: 6.35 - 76.2 mm (OD) x 0.89 - 15mm (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: Boiler and Heat Exchanger, etc.
 

Mobile: +86 138 128 775 59 -->Terry(Chief Business Executive Officer)
Email: order@hc-pipe.cn

Commercial Information:
  1) Delivery                    :  Within 45 day ready at mill ;
  2) Min Order                 :  5 Tons;  
  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        ;
  7) Container                   :  20' or 40', etc ;
  8) Manufacture methods  :  Cold Drawn Method.