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Henan KUNFENG Co.,Ltd offer and 20CrMnSi hot rolled round bar with good quality and fast delivery at best price. And we are always keep complete specifications 20CrMnSi round bar stock for our customers choose. Welcome to visit our factory!
informational:
Standard: DIN 7527-6,EN 10204, EN 10228-3,EN 10250,N10083,SEW 550
Delivery Condition: Hot forged +Normalized+ Rough turned
Q/T:Quench+ Temper Annealing
Steelmaking Process: electric furnace + LF refining furnace + argon protection casting + VD vacuum degassing furnace ingot (bottom gating)
Diameter: 5mm-1200mm ,the forged round bar is from 80mm-1200mm:
Length: 1000-12000mm
Inspecting: SEP1921 CLASS C/C，D/D，E/E
Min qty: 1pcs
Tolerance for forged round bar: OD: 0/+3.0mm Length: 0/+20.0mm Straightness: 3mm/1000mm
20CrMnSi round bar Chemical analysis -% by mass*
|
Grade |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
|
max |
max |
max |
max. |
max. |
max |
max |
max |
|
|
20CrMnSi |
0.17-0.23 |
0.90-1.20 |
0.80-1.10 |
0.035 |
0.035 |
0.80-1.10 |
0.030 |
0.030 |
20CrMnSi round bar Merchanical Propertites
|
Grade |
Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elongation in 100-150 mm(%) |
percentage reduction of area |
Impact(Akv(J) |
impact strength |
Hardness |
|
20CrMnSi |
≥785(80) |
≥635(65) |
≥12 |
≥45 |
≥55 |
≥69 |
≤207HB |
KUNFENG can offer 20CrMnSi forged and hot rolled round bar in carbon, alloy, stainless steel material, Our Company through quality, environment, occupational health and safety management system, etc. Products have passed the ISO9001:2000 quality management system certification, China CCS, South Korea KR, Italy RINA, Japan NK, France BV, the United States ABS, Russia RS, Lloyd's LR, Germany Lloyd's GL classification society certification.
