SAE J524 Seamless Cold Drawn Precision Steel Tube for Vehicle

 

 

Quick Detail:

Standard:  SAE J524 Seamless Steel Tubing                           
J524 Seamless Low Carbon Steel Tubing Annealed for Bending and Flaring           
                 
Applications:  for Bending and Flaring to auto parts         

                   
Size range: O.D.:6-88.9mm     W.T.:1-15mm      L: According to customer Order     
 
Manufacture:
The tubing is cold drawn size and after forming shall be annealed in such a manner as  to produce finished product which meet the SAE J524 requirement and customer's requirement.                       
 
DIMENSIONS AND TOLERANCES

Table 1- TUBING OUTSIDE DIAMATER TOLERANCE
Nominal Tubing OD mm				Tolerance  ±mm
Up to 25.4				0.10
Over 25.4 to 38.1 inclusive				0.15
Over 38.1 to 50.8 inclusive				0.20
Over 50.8 to 88.9 inclusive				0.25
WT tolerance shall be not more than 10%

 

 

Material:  

Tubing made from low-carbon steel confirmting to the following chemical compostion.

Table 2- CHEMICAL REQUIREMENTS
Element				%
Carbon				0.18 max
Manganese				0.30  to 0.60
Phosphpris				0.040 max
Sulfur				0.050 max

 

MECHANICAL PROPERTIES:

The finished tubing have mechanical properties of following table:

 

Table 3- MECHANICAL PROPERTIES
Properties				Value
Yield Strength,min				170 Mpa
Ultimate Strenth,min				310 Mpa
Elongation in 50mm, min				30%
Hardness ( Rockwell B),max				65.00