8620h Steel

Equivalent Grade: 20NCD2/1.6523/21NiCrMo2
Steel-making Condition: EF, EF/EAF+LF+VD, EF/EAF+ESR
Delivery Condition:Annealed , Quenched + Tempered

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Présentation du produit

SAE8620H steel equivalent to 20CrNiMoH in China.It is a surface hardening steel belonging to the Cr-Ni-Mo alloy. Its performance standard is ASTM A29/A29M-04. 8620H steel bar is widely used in carburizing and carbon-nitriding processes. After carburizing, the surface of SAE8620H exhibits high hardness, wear resistance, and contact fatigue strength. Its heart still retains good ductility, making it capable of withstanding high impact loads. ASTM8620H is mainly used as a material for shock-resistant and wear-resistant parts such as car bearings ect.

8620H Chemical Compositions %

		C
ASTM A322; ASTM A29/A29M	8620 (UNS G86200)	0.18-0.23	0.15-0.35	0.70-0.90	0.035	0.040	0.40-0.60	0.40-0.70	0.15-0.25	-	-	-
ASTM A534	8620H	0.17-0.23	0.15-0.35	0.60-0.95	0.025	0.015	0.35-0.65	0.35-0.75	0.15-0.25	0.3	0.002	0.05


20NCD2	769	1.6523	21NiCrMo2	20NiCrMo2	8620

Modulus of elasticity [10³²]: 210
SAE 8620H steel Density [g/cm³]: 7.86

Heat to 650-700^oC, cool slowly. This will produce a maximum Brinell hardness of 212.


	880-980^oC	Oil (water), hot bath 160-250^oC
	880-980^oC	Oil (water), hot bath 160-250^oC
	880-980^oC	Oil, hot bath 160-250^oC
	860-900^oC	Oil, hot bath 160-250^oC
	780-820^oC	Oil, hot bath 160-250^oC
	150-200^oC

SAE8620H Material Mechanical properties

Tensile strength σ B (MPa): Greater than or equal to 980 (100)
Yield strength σ S (MPa): Greater than or equal to 785 (80)
Elongation δ 5 (%): Greater than or equal to 9
Reduction of area ψ (%): Greater than or equal to 40
Impact energy Akv (J): Greater than or equal to 47
Impact toughness value KV (J/cm2): Greater than or equal to 59 (6)
Hardness: Less than or equal to 197HB

sae 8620H / Din 1.6523 >>

8620H steel Charactaristics and Applications

8620H steel round bar has high surface hardness, wear resistance, and contact fatigue strength. At the same time, it still maintains good toughness and can withstand high impact loads.

8620H hardenable alloy steel is mainly used as materials such as automotive bearings, such as automotive bearings and wear-resistant parts.

Learn more about Din 1.6523 Steel sae 8620H round bar>>

SAE8620 Steel Round Bar

Huitai Special Metals has been committed to the research, development and production of special tool steel, die steel and alloy steel since 1997. Especially for High-strength alloy steel, Roll and Gear steel.

Owns 25/60 tons of VOD, VHD refining furnace,12 ton vacuum consumable furnace, 12 ton vacuum induction furnace , 2000 ton/3500 ton quick forging machine,1000 ton precision forging machine,5 tons / 8 tons of electro-hydraulic A set of hammer units, two sets of 1/0.75/0.25 tons air hammer, two sets of 630-ton three-way hydraulic press units, two sets of 315-ton four-column hydraulic leveling units.

product-1046-246

8620h

Din 1.6523 Steel sae 8620H Steel Bars Packing & Delivery

-- 20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high)

-- 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high)
-- 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high)

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