Steel 35KHN1M2FA

VSt6ps VSt5sp VSt3kp VSt4kp VSt6sp VSt2kp Vst4ps St0 VSt2ps VSt3ps VSt5ps VSt2sp VSt3sp 18К 08ps 10ps 15К 18kp 20ps 35 55 05kp 08Ю 15kp 20 (20А) 22К 40 58 (55ПП) 08 10 (Art. 10) 12К 15pc 20К 25 45 60 08kp 10kp 15 16К 20kp 30 50 0cB 60С2 60C2XA 50XFA 60C2A 60C2CHFA 65C2VA 85 55XGR 65 70C3A 55С2 60Г 60C2H2A 65Г 70 75 SHKH15 SHKH15SG SH4 А12 А20 A40G А30 10XNDP 14G2AF 15G2AFDps 17GS 18G2AFps 09Г2 10G2BD 10ХСНД 12GS 15G2SFD 16GS 35GS 14CGS 15ХСНД 20ХГ2Ц 09G2S 10G2S1 14Г2 16G2AF 17G1S 25G2S 10Г2 14X2GMR 15KHF 18CR2N4MA 20Г 20X2H4A 20XGR 20KHN2M (20KHNM) 30Г 30CGS 30CRNI2MA 34CRNI3M 35Х 38CR2N3M 38XA 38CMA 3CR3M3F 40Х 40XFA 45CRN 50Г2 12XH2 15Х 20KHGSA 20XHN3A 25CGSA 30KHGSA 30CRNI2MOVA 33HS 35KHN1M2FA 38CR2NM 40Г 40CR2H2MA 40CRN 45Г 45CRNI2MOVA 50Х 12XH2A 18CGT 20CRNR 20CRNI4FA 25CGT 30Х 30CGSN2A 30KHN3A 34CRNI1M 35Г 36CR2NI2MOVA 38KH2NMF 38CRN 38CRNI3MA 40Г2 40CRNI2MA 45Г2 47GT 50XH 12CR2N4A 12XHN3A 15Г 18CR2N4VA 20Х 20XH 20XNR 30CGT 30ХН3М2ФА 35Г2 35CGSA 38CR2H2MA 38CRNI3MOVA 40HS 45Х 50Г

Description

Steel 35KHN1M2FA

Steel 35KhN1M2FA: brand of steels and alloys. Below is the systematized information on the purpose, chemical composition, types of supplies, substitutes, temperature of critical points, physical, mechanical, technological and casting properties for the grade — Steel 35XN1M2FA.

General information about steel 35XN1M2FA

Delivery type

Forgings and forged billets GOST 8479−70.

Application

Steam turbine discs, axles, shafts and other critical large parts with high mechanical properties.

Chemical composition of 35KhN1M2FA steel

Chemical element	%
Vanadium (V)	0.10−0.20
Silicon (Si), no more	0.37
Manganese (Mn)	0.50−0.80
Copper (Cu), no more	0.25
Molybdenum (Mo)	0.40−0.60
Nickel (Ni)	1.30−1.70
Sulfur (S), no more	0.022
Carbon (C)	0.32−0.40
Phosphorus (P), no more	0.025
Chromium (Cr)	1.30−1.70

Mechanical properties of steel 35XN1M2FA

Mechanical properties of forgings

Heat treatment, delivery condition

Section, mm

σ _0.2, MPa

σ _B, MPa

δ ₅ ,%

ψ,%

KCU, J / m ²

Hardening. Vacation.

KP 640

500−800

640

785

ten

thirty

248−293

Hardening 850−870 ° С, oil. Vacation 570−640 ° С, cooling with an oven or in air.

KP 785

100−300

785

930

eleven

293−331

KP 735

300−500

735

880

eleven

thirty

277−321

Samples are tangential

<450

680−850

830

Technological properties of steel 35XN1M2FA

Forging temperature

Beginning 1200, end 800. Sections up to 100 mm are cooled in air, 101−300 mm — in a pit.

Weldability

not applicable for welded structures.

Tendency to release ability

not inclined

Flock sensitivity

very sensitive

Temperature of critical points of steel 35XN1M2FA

Critical point	° C
Ac1	750
Ac3	820
Mn	300

Hardenability of steel 35XN1M2FA

Distance from the end, mm / HRC _e

Amount of martensite,%	Crit. Diam. in water, mm	Crit. Diam. in oil, mm	Crete. hardness, HRCэ	Dist. from the cooled end
100	80		52−55	200
100% bainite		500

Physical properties of steel 35XN1M2FA

Test temperature, ° С	20	100	200	300	400	500	600	700	800	900
Density of steel, pn, kg / m ³	7710

Steel 35KHN1M2FA

Description