Fe-Pl75 F. 1260 835m30 En30b 30nicrmo16-6 DIN1.6747 Hardened Steel

• Customization: Available
• Type: Round
• Standard: DIN, BS
• Model NO.: EN30B 30NiCrMo16-6 DIN1.6747
• Composition: Ferrous Steel Scrap
• Technique: Hot Forged,or Hot Rolled
• Shape: Round,Flat or Square
• Surface Treatment: Black Surface, Grinded,Peeled,Milled,Polished
• Special Use: Alloy Structural Steel
• Application: Structural Steel Bar
• Size Range: Round Bar:Dia12~420mm Flat Bar:2~420 X 30~1500mm
• Smelting Process: Ef, Eaf, ESR
• Delivery Condition: Hot Rolled, Forged, Annealed,Quenched and Tempered
• Surface Condition: Black Surface, Grinded,Peeled,Milled,Polished
• Transport Package: Seaworth Packing
• Specification: Round Bar: Dia12~420mm Flat Bar: 2~420 X 30~1500mm
• Trademark: CHENGQUAN
• Origin: Huangshi, Hubei
• HS Code: 7228600000
• Production Capacity: 5000tons/Year

Product Description

Description

Alloy special steel.

Application

High Duty gears, pinions, aero engine connecting rods, differential shafts, transmission components, gudgeon pins, heavy roller bearings, breech mechanisms and small arms components , plastic die casting moulds, header dies and die rings.

All Grades Comparison

DIN	BS	EN	ANFOR	UNE	AECMA
1.6747	835M30	30NiCrMo16-6	35NCD16	F.1260	FE-PL75

Quality Standard

EN 10083 Steels for quenching and tempering. Technical delivery conditions for alloy steels

Chemical Composition(%)

C	Mn	Si	P	S	Cr	Ni	Mo
0.26-0.33	0.50-0.80	0.40 max	0.025 max	0.025 max	1.20-1.50	3.30-4.30	0.30-0.60

Mechanical Properties(T=20°C if not differently stated)

Process	Diameter(mm)	Tensile Strength Rm (Mpa)	Yield Strength Rp0.2 (Mpa)	Elongation A5 (%)	Area Reduction Ratio C (%)	Impact Value Kv (J) Room Temperature	Hardness (HB)
SOFT ANNEALED	/	915 max	/	/	/	/	270 max
QUENCHED AND TEMPERED	16 max	1080-1230	880 min	10 min	45 min	/	318-363
QUENCHED AND TEMPERED	16-100	1080-1230	880 min	10 min	45 min	35 min	318-363
QUENCHED AND TEMPERED	100-250	900-1050	790 min	11 min	50 min	35 min	265-310

HEAT TREATMENT:

Process	TEMPERATURE °C	Cooling Medium
Hot plastic deformation	850-1100	/
Normalization	840-870	air
Soft annealing	640-680	air
Hardening	840-860	oil
Tempering	540-630	air

Mill′s test certificate:

EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.