
SAE J524 Low Carbon Seamless Steel Tube Machining for Bending
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 |
Quality:
Lengths of finished tubing is reasonably stragiht and have smooth ends free from burrs.
Tubing is free from scale and injurious defects and have a workmanlike finish.
Surface imperfections such as handling marks, die marks, or shallow pits shall not be considered injurious
defects provided the imperfections are within the tolerance specified for diameter and wall thickness.
The removal of such surface imperfections is not required.
PERFORMANCE REQUIREMENTS:
The finished tubing satisfactorily meet the following performance tests in SAE J1677
SAE PUBLICATIONS FOR RELATED STNADARDS:
SAE J409 Product Analysis - Permissible Variations from Specified
Chemical Analysis of a Heat or Cast
Cast of Steel
SAE J1677 Test and Procedures for Steel and Copper Nickel Tubing
SAE J514 Hydraulic Tube Fittings
SAE J533 Flares for Tubing
SAE J1065 Norminal Reference Working Pressure for Steel Hydraulic
Tubing
SAE J1453 Fitting - O Ring Face Seal
SAE J2551 Recommended Practices for Fluid Conductor Metallic Tubing
Applications
SAE J2592 Carbon Steel Tubing for General Use - Understanding
Nondestructive Testing for Carbon
Steel Tubing
SAE J2658 Metallic Tube Conductor Assemblies for Fluid Power and
General Use - Test Methods
for Hydraulic Fluid Power Metallic Tube Assemblies
ASTM Publications:
ASTM A513 Electric-Resistance-Welded Carbon and Alloy Steel Tubing
ASTM A519 Standard Specification for Seamless Carbon and Alloy
Steel Mechanical Tubing
ASTM A450/ A-450M Standard Specifications for General Requirements
for Carbon, Ferritic Alloy and
Austenitic Alloy Steel Tubing
ISO Publications:
ISO 3304 Plain end seamless precision steel tubes, technical conditions for delivery
ISO 5598 Fluid power systems and components - Vocabulary
ISO 8434-2 Metallic tube connections for fluid power and general use - Part: 2 37° flare fittings
ISO 8434-3 Metallic tube connections for fluid power and general use - Part: 3 ORFS fittings
ISO 10583 Hydraulic fluid power - Test methods for tube connections
ISO 10763 Hydraulic fluid power - Plain-end, seamless and welded steel tubes - Dimensions and
nominal working pressure.
TORICH INTERNATIONAL LIMITED
Who We are ?
-------A professional steel pipes materials inventor, manufacturer
and solution provider
Torich International Limited is a professional manufacturer
and exporter of steel pipes materials. It is an international
marketing and sales company specialized in steel tubes, which holds
the factories of Seamless Steel Tubes with Carbon and Alloy Steel
Grade, Welded Precision Steel Tubes,DOM Steel Tubes, Seamless &
Welded Stainless Steel Tubes with Nickel and Alloy Steel Grade.
Our factory was established since 1997, with the name of Haiyan
Sanxin Steel Pipe Co., Ltd. The factories’ technicians are of great
engineering experience in steel pipe industry for more than 20
years, which are in great command of production technology for Cold
Drawing and Cold Rolling. So we have strong technician team and
manufacturing capability.
What products we do?
------- Invent and produce various Precision Steel Pipes
Our steel pipes cover the following ranges:
Seamless Precision Steel Pipes
Bearing Steel Tubes
Welded Precision Steel Pipes, with DOM production
Seamless Heat Exchanger Steel Pipe
Seamless Boiler Steel Pipes
Honed Tubes
Hydraulic Cylinder Steel Tubes
Hydraulic Telescopic Cylinder Tubes
Seamless Structural Steel Pipes
Seamless Mechanical Steel Pipes
Seamless Alloy Steel Tubes & Pipes
Seamless Stainless Steel tubes
Welded Stainless Steel Tubes
Seamless Stainless Steel Tubes & Pipes
Welded Stainless Steel Tubes & Pipes
Seamless Carbon Steel Tubes & Pipes
Nickel Alloy Steel Tubes & Pipes
What TORICH do:
1. Producing Steel Tubes
2. Selling both on Domestic and International Market
3. Precisely Targeting Customers’ Requirement- Sourcing the right
factory for right products for Customers
Products Application:
Oil Cylinders
Air Cylinder,
Automotive Cylinder Liners
Boilers, Pressure Vessels
Shell & Heat Exchangers
Jack Lifting
Telescopic Systems
Pneumatic Cylinders
Agricultural Machineries
Size range is:
O.D. 4-350mm,
W.T. 0.5-30mm,
Length: according to customer’s requirement and agreement
Steel Grade:
Carbon Steel Grade:
ST35.8, ST37.0, ST44, ST52;
E155, E195, E215, E235, E275, E355;
195GH, P235GH, P265GH, P195TR1, P195TR2, P235TR1, P235TR2, P265TR1,
P265TR2;
SAE1010, SAE1020, SAE1026, SAE1035, SAE1045;
Carbon steel tube: SA178, A179, A192, A210, SA213, SA214, etc.
Alloy Steel Grade:
T2, T5, T9, T11, T12, T17, T21, T22, T91,T92, 15Mo3,16Mo3,
13CrMo44;
SAE4130, SAE4140, 40Cr, 40Cr4, 10CrMo910, 12CrMo910, 11CrMo910,
25CrMo4, 35CrMo, 35CrMo4, 42CrMo4, 34CrMo4, 20MnV, 20MnV6,20CrMn;
Carbon steel tube: A179,A192,A210,DIN17175,etc.
Bearing Steel Grades:
GCr15 52100 suj2 suj3 100Cr6 SKF3S SKF3S 20CrNiMo 8620H 4118H;
Nickel Alloy Grade:
N02200/2201, N04400, N06600, N06601, N06625, N06852, N06219,
N06690, N08800/8810/8811, N08825, N08028, N08535, N08904, N08925,
N08926, N010276, N06022, etc.
Austenitic/Super Austenitic Stainless Steel Grade:
304/304L, 316/316L, 314, 321, 347H, 316Ti, 316LMod, 317L/N, 310S,
253MA, 330, 904L, S31254, XM-19, etc.
Ferrite/Martensite Stainless Steel Grade:
TP410, TP405, TP420, TP430, TP430Ti, TP403, TP409, TP444, TP439,
TP446, etc.
Duplex/Super Duplex Stainless Steel Grade:
S31803, S32304, S31500, S32550, S32750, S32760, etc.
Corporate Culture:
We focus on Quality First, Quality Traceability, and Quality
Stability!
We focus on Customer First, People First, and Quality-Oriented!
Success:
First factory started in 1997, in the name of Torich , now covers
50000 square meters of factory building, with more than
100employees, and over 45 million RBM assets.
In 2008, we started the company of Torich International
Limited for international business and marketing.
Welcome partners from all over the world for long term cooperation!