JIS G 4053 SNCM 439 Seamless Steel Pipes
Standard : JIS G 4053
Equivalent material: 40CrNiMoA , 4340 , 817M40 ,816M40
Delivery condition : By heat treatment (normalizing, annealing and high temperature tempering) or heat treatment state delivery, delivery status should be indicated in the contract
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 |
Steel grade |
Yield Strenght |
Tensile Strength |
Elogation |
SNCM 439 |
835 |
980 |
12 |
SNCM 439 this material base on JIS G4053 Standard , this Japanese Industrial Standard has been prepared base on the first edition of ISO 683-1 Heat-treatable steels, alloy steels and free-cutting steels .
Percentage reduction of area : ≥55
Impact (J/cm2):≥78
Hardness :≤269HB
Heat treatment specification : 850 ℃ quenching ,oil cooling; 600 ℃ tempering, water cooling, oil cooling.
The SNCM 439 Seamless pipe delivery condition is often like BK,BKW GBK,GZF,NBK,NZF and so on. JIS G4053 Standard SNCM439 Seamless Steel pipe must be compatible with production methods of the outside surface and inner surface.
If you have requirement about SNCM 439 pipe , please feel free to contact with us.
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Product
Contact
- Henan BEBON Iron&Steel co., ltd.
- 0086-371-86151827
- 0086-371-86011881
- [email protected]
- Online Consultation
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