34CRMO4 forged steel round bar

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29-May-2024

KUNFENG offer and 34CRMO4 hot rolled round bar with good quality and fast delivery at best price. And we are always keep complete specifications 34CRMO4 round bar stock for our customers choose. Welcome to visit our factory!

34CRMO4 Chemical analysis -% by mass*

Grade	C	Si	Mn	P	S	Cr	Mo
Grade	max	max	max	max.	max.	max	max
34CRMO4	0.28-0.33	0.15-0.35	0.60-0.90	0.030	0.030	0.90-1.20	0.15-0.30

34CRMO4 Merchanical Propertites

Grade	Tensile Strength (Mpa)	Yield Strength (Mpa)	Elongation in 100-150 mm(%)	percentage reduction of area	Impact(Akv(J)	impact strength	Hardness
34CRMO4	≥930	≥785	≥12	≥50	≥63	≥78	≤229HB

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

KUNFENG can offer 34CRMO4 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.