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Steel 35

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 35

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

General steel 35

Substitute brand
steel: steel 30, steel 40, 35G
Delivery type
Steel sheet 35, Sections, including shaped: GOST 1050−74, GOST 2591−71, GOST 2590−71, GOST 2879−69, GOST 8509−86, GOST 8510−86, GOST 8239−72, GOST 8240- 72, GOST 10702−78. Calibrated bar GOST 10702−78, GOST 7417−75, GOST 8559−75, GOST 8560−78. Polished bar and silver bar GOST 10702−78, GOST 14955−77. Thick sheet GOST 1577−81, GOST 19903−74, GOST 4041−71. Thin sheet GOST 16523−70. Tape GOST 2284−79. Strip GOST 1577−81, GOST 103−76, GOST 82−70. Wire GOST 5663−79, GOST 17305−71. Forgings and forged billets GOST 1133−71, GOST 8479−70. Pipes GOST 8734−75, GOST 8731−87, GOST 8732−78, GOST 8733−87.
Application
Parts of low strength, experiencing small stresses: axles, cylinders, crankshafts, connecting rods, spindles, sprockets, rods, rims, traverses, shafts, tires, discs and other parts.

Chemical composition of steel 35

Chemical element %
Silicon (Si) 0.17−0.37
Manganese (Mn) 0.50−0.80
Copper (Cu), no more 0.25
Arsenic (As), no more 0.08
Nickel (Ni), no more 0.25
Sulfur (S), no more 0.04
Carbon (C) 0.32−0.40
Phosphorus (P), no more 0.035
Chromium (Cr), no more 0.25

Mechanical properties of 35 steel

Mechanical properties at elevated temperatures

test t, ° C σ 0.2, MPa σ B, MPa δ 5 ,% ψ,% KCU, J / m 2
Hot rolled condition
200 300 580 nine 39 78
300 205 580 21 52 69
400 185 500 23 64 59
500 145 350 24 70 39
600 78 195 35 83 69
Sample 6 mm in diameter, 30 mm long, rolled. Deformation rate 16 mm / min. Strain rate 0.009 1 / s.
700 100 150 34 75  
800 69 110 56 100  
900 55 74 54 100  
1000 thirty 51 69 100  
1100 21 39 74 100  
1200 fifteen 27 85 100  
1300 eighteen 23 58 100  

Mechanical properties of rolled products

Heat treatment, delivery condition Section, mm σ B, MPa δ 5 ,% δ 4 ,% ψ,% HB
Hot-rolled steel, forged, calibrated and silver grade 2 after normalization 25 25 20   45  
Calibrated steel grade 5 after work-hardening     6   35  
Calibrated steel grade 5 after annealing or high tempering     fifteen   45  
Calibrated and calibrated steel with special finishing after spheroidizing annealing   <540     45 187
Steel calibrated and calibrated with a special finish, work-hardened without heat treatment   590 five   40 207
Annealed or highly tempered sheets 80 480 22      
Normalized or hot rolled strips 6−25 530 20   45  
Hot rolled sheet <2 490−640   17    
Cold rolled sheet 2−3.9 490−640   19    
Heat-treated sheet of the 1st-2nd category 4−14 480−630 22     163
Cold rolled annealed strip 0.1−4 400−650   sixteen    
Cold-rolled cold-worked strip, strength class H2 0.1−4 800−950        
Pipes hot-, cold- and heat-deformed, heat-treated   510 17     187

Mechanical properties of forgings

Heat treatment, delivery condition Section, mm σ 0.2, MPa σ B, MPa δ 5 ,% ψ,% KCU, J / m 2 HB
Normalization
KP 195 300−500 195 390 20 45 49 111−156
KP 195 500−800 195 390 eighteen 38 44 111−156
KP 215 100−300 215 430 20 48 49 123−167
KP 215 300−500 215 430 eighteen 40 44 123−167
KP 215 500−800 215 430 sixteen 35 39 123−167
KP 245 <100 245 470 22 48 49 143−179
KP 245 100−300 245 470 19 42 39 143−179
KP 245 300−500 245 470 17 35 39 143−179
Hardening. Vacation.
KP 275 <100 275 530 20 40 44 156−197
KP 275 100−300 275 530 17 38 34 156−197
KP 315 <100 315 570 17 38 39 167−207

Mechanical properties depending on the tempering temperature

vacation t, ° С σ 0.2, MPa σ B, MPa δ 5 ,% ψ,% KCU, J / m 2 HB
Billet with a diameter of 60 mm, quenching at 850 ° C in water
200 600 760 thirteen 60 29 226
300 560 735 fourteen 63 29 212
400 520 690 fifteen 64 98 200
500 470 660 17 67 137 189
600 410 620 eighteen 71 176 175
700 340 580 19 73 186 162

Technological properties of steel 35

Forging temperature
Beginning 1280, end 750. Billets with a cross section up to 800 mm are cooled in air.
Weldability
Limited weldability. Methods of welding RDS, ADS submerged arc and gas shielded, EShS. Heating and subsequent heat treatment is recommended. KTS without restrictions.
Machinability by cutting
In the hot-rolled state at HB 144−156 and σ B = 510 MPa, K υ b.st. = 1.3.
Tendency to release ability
Not inclined.
Flock sensitivity
Not sensitive.

Temperature of critical points of steel 35

Critical point ° C
Ac1 730
Ac3 810
Ar3 796
Ar1 680
Mn 360

Impact strength of steel 35

Impact strength, KCU, J / cm 2

Delivery status, heat treatment +20 -20 -thirty -50 -60
Normalization 63 47 45 fourteen 12

Endurance limit steel 35

σ -1, MPa τ -1, MPa σ B, MPa Heat treatment, steel condition
265   570 Normalization 850 C.
245 147   Normalization 850−890 C. Vacation 650−680 C.
402   710 Hardening 850 C. Ottpusk 650 C.

Physical properties of steel 35

Test temperature, ° С 20 100 200 300 400 500 600 700 800 900
Normal elastic modulus, E, GPa 206 197 187 156 168          
Density of steel, pn, kg / m 3 7826 7804 7771 7738 7700 7662 7623 7583 7600 7549
Thermal conductivity coefficient W / (m ° С)   49 49 47 44 41 38 35 29 28
Ud. electrical resistance (p, Nom. m)   251 321 408 511 629 759 922 1112 1156
Test temperature, ° С 20−100 20−200 20−300 20−400 20−500 20−600 20−700 20−800 20−900 20−1000
Linear expansion coefficient (a, 10−6 1 / ° С) 12.0 12.9 13.6 14.2 14.6 15.0 15.2 12.7 13.9  
Specific heat (C, J / (kg ° C)) 469 490 511 532 553 578 611 708 699  

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