JIS G 4053 SNCM 439 is a Japanese industrial standard that specifies the chemical composition and mechanical property requirements for steel SNCM 439. SNCM 439 is a low-carbon alloy steel that is usually used in the manufacture of high-strength, high-toughness parts, such as bearings, gears, pins, etc. "Seamless steel pipes" are a product form that can be manufactured to this standard to meet specific application needs. Below is some key information about JIS G 4053 SNCM 439 seamless steel pipe.
JIS G4053 SNCM 439 Seamless Pipe Specifications:
|
JIS G4053 Standard |
JIS G 4053 |
|
JIS G4053 Equivalent material |
40CrNiMoA, 4340, 817M40, 816M40 |
|
Percentage reduction of area JIS G4053 |
Greater than or equal to 55 |
|
JIS G4053 Impact (J/cm2) |
Greater than or equal to 78 |
|
JIS G4053 Hardness |
Less than or equal to 269HB |
|
JIS G4053 Heat treatment specification |
850 degree quenching ,oil cooling; 600 degree tempering, water cooling, oil cooling. |
|
JIS G4053 Delivery condition |
By heat treatment (normalizing, annealing and high temperature tempering) or heat treatment delivery, delivery status should be indicated in the contract |
Chemical Composition of JIS G4053 SNCM 439 Seamless Pipe:
|
Steel Grade |
Chemical composition (%) |
|||||||
|
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
|
|
SNCM439 |
0.36-0.43 |
0.15-0.35 |
0.60-0.90 |
0.030max |
0.030max |
1.60-2.00 |
0.60-1.00 |
0.15-0.30 |
Mechanical Properties of JIS G4053 SNCM 439 Seamless Pipe:
|
Steel grade |
Yield Strenght |
Tensile Strength |
Elogation |
|
SNCM 439 |
835 |
980 |
12 |
SNCM 439 steel is known for its excellent hardenability, strength, and toughness. When selecting or working with these steel pipes, it's essential to consider the specific requirements of your project or application and adhere to any relevant standards and regulations.
United Steel Industry As the most important steel pipe manufacturer and exporter in China, in the past 20 years, we have completed more than 100 projects, with partners in more than 100 countries, and established relationships with oil and gas and EPC companies in many countries business relationship.
For more information about the product price, catalog and rolling mill inspection certificate,
please consult:Email:Sales@usisteels.com
