Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

ASTM A519 gr1045/CK45/carbon steel pipe

1.Item: ASTM 1045 seamless steel pipes and tubes for cylinder use 
2.Standard: ASTM A519

ASTM A519 1045 Seamless Steel Pipe 

Type: Hot-rolled Steel Pipe

ASTM A519 gr1045/CK45/carbon steel pipe

OD:0.875"- 30" 
WT:0.035" - 4" 
ASTM A519 1045  

ASTM A519 1045 Seamless Steel Pipe

Usage: Applicable to transport liquid, gas, oil etc.

Outer Diameter: Hot finish: 2" - 30", Cold drawn: 0.875" - 18"
Wall Thickness: Hot finish: 0.250" - 4.00", Cold drawn: 0.035" - 0.875"
Length: Random Length, Fixed Length, SRL,DRL 

ASTM 1045 Chemical requirement

Chemical composition: 

Models of Steel Pipes

Chemical Component


Steel 45

 (ASTM 1045)

















Mechanical Properties

Tensile Strength (Mpa)

Yield Strength (Mpa)

Elongation (%)




1. Item name: 1045 seamless steel pipes and tubes for cylinder use

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



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