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30X13 / 30Kh13 / 30Cr13 Stainless Steel

Request 30X13 / 30Kh13 Stainless Steel

Auremo LLC handles U.S. sourcing inquiries for 30X13 / 30Kh13 (30Cr13) martensitic stainless steel. Include the required product form, dimensions, condition, quantity and applicable specification.

Product forms

  • Round bar
  • Sheet and strip
  • Wire
  • Forgings and custom blanks subject to review

Information to include in your request

Please provide the material grade or specification, product form, dimensions and tolerances, quantity, delivery ZIP code and required documentation. Pricing, availability and lead time are confirmed for each quotation.

Request a Quote Email Auremo LLC

Frequently asked questions

How is the price for 30X13 / 30Kh13 stainless steel products confirmed?

The quotation is based on the exact grade, dimensions, tolerances, quantity, documentation and delivery requirements supplied with the inquiry.

Can non-standard dimensions be requested?

Yes. Send a drawing or dimensional requirements with the inquiry. Manufacturing or sourcing feasibility is confirmed during quotation.

What information is available for delivery in the United States?

Provide the destination ZIP code. Available freight options, lead time and delivery terms will be included in the commercial response.

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Steel 30Cr13

Steel 30X13: Handbook of steels and alloys. Below is systematized information on the purpose, chemical composition, types of supply, substitutes, critical point temperatures, physical, mechanical, technological and foundry properties for the grade - Steel 30X13.

General information about steel 30X13

Grade substitute
steel 40X13
Type of delivery
Circle 30X13, sheet 30X13, tape 30X13, section rolled products, including shaped: GOST 5949−75, GOST 2590−71, GOST 2591−71, GOST 2879−69. Calibrated bar GOST 7417−75, GOST 8559−75, GOST 8560−78. Grinded rod and silversilver GOST 14955−77, GOST 18907−73. Sheet GOST 5582−75. Tape GOST 4986−79. GOST 18143−72 wire. Band GOST 4405−75. Forgings and forged blanks GOST 1133−71, GOST 25054−81.
Application
Cutting, measuring tools, springs, carburetor needles, piston rods of reciprocating compressors, parts of internal devices and other various parts operating at slightly aggressive wear environments up to 450 ° C.

Chemical composition of steel 30X13

Chemical element %
Silicon (Si), not more 0.8
Manganese (Mn), not more 0.8
Copper (Cu), not more than 0.30
Nickel (Ni), not more than 0.6
Sulfur (S), not more than 0.025
Titanium (Ti), not more than 0.2
Carbon (C) 0.26−0.35
Phosphorus (P), not more than 0.030
Chrome (Cr) 12.0−14.0

Mechanical properties of steel 30X13

Heat treatment, delivery condition Section, mm σ0.2, MPa σB, MPa δ5, % ψ, % KCU, J/m2 HB HRCe
Hardening 950−1020°C, oil. Tempering at 200−300°C, air or oil Samples             50
Grinded bars, machined to the specified strength 1−30   530−780 12        
Forgings. Tempering 1000−1050°C, oil Tempering 700−750°C, air. <1000 588 735 14 40 29 235−277  
Heat-treated wire 1−6   490−830 12        

Mechanical properties at elevated temperatures

t test,°C σ0, 2, MPa σB, MPa δ5, % ψ, % KCU, J/m2
Rolled material. Normalizing at 1000 °C, air. Tempering 650 °C, 2−3 h.
20 700 940 16 52 54
200 660 820 14 58 127
300 630 770 13 53 122
400 570 710 13 53 157
500 530 610 14 55 162
600 410 450 21 81 157
Specimen 6 mm in diameter and 30 mm in length, deformed. Deformation rate 16 mm/minute. Deformation rate 0.009 1/s.
800 77 89 67 98  
900 93 130 82 82  
1000 50 76 70 97  
1100 37 43 71 98  
1200 26 29 74 98  

Mechanical properties depending on heat treatment

Heat treatment, delivery condition σ0.2, MPa σB, MPa δ5, % KCU, J/m2
Bars at 20 °C. Hardening at 1000 °C, air. Tempering at 650 °C, air.
Heat soaking at 550 °C, 3000 h 670 860 16 44
Heat soak 600 °C, 3000 h 620 800 20 50
Heat soak 550 °C, 7000 h 610 800 18 49
Heat soak 600 °C, 10000 h 420−450 670 23−26  

Mechanical properties in the endurance test

Creep strength, MPa Creep rate, %/h t test,°C Ultimate long-term strength, MPa Test duration, h t test, h
131 1/100000 400      
82 1/100000 450      

Technological properties of steel 30X13

Forging temperature
The beginning 1250, the end 850. Sections up to 400 mm are subjected to low-temperature annealing with one subcooling.
Weldability
Not applicable for welded constructions.
Machinability
In the quenched and tempered state at HB 241 and σB = 730 MPa Kυ of solid. = 0.70, Kυ b.st. = 0.45.
Tendency to tempering capacity
Slightly inclined
Floc-sensitivity
not sensitive

Steel 30X13 critical point temperature

Critical point °С
Ac1 810
Ac3 860
Ar3 660
Ar1 710
Mn 240

Endurance limit of steel 30X13

σ-1, MPa n
372 1Е+7

Corrosion properties of 30X13 steel

Medium Test temperature, °C Test duration, h Depth, mm/year
Seawater 100 93 0,01
63.4% H2SO4 solution 15 24 2,1
Steam-air 100 50 0,018

Physical properties of steel 30X13

Test temperature,°C 20 100 200 300 400 500 600 700 800 900
Modulus of normal elasticity, E, GPa 216 212 206 196 187 177 166      
Torsional shear modulus of elasticity G, GPa 86 84 81 77 74 69 64      
Steel density, pn, kg/m3 7670 7650 7620 7600 7570 7540 7510 7480 7450 7460
Thermal conductivity coefficient W/(m - °C)   26 27 28 28 27 27 27 25 27
Electrical resistivity (p, nominal value - m) 522 595 684 769 858 935 1015 1099    
Test temperature,°C 20−100 20−200 20−300 20−400 20−500 20−600 20−700 20−800 20−900 20−1000
Coefficient of linear expansion (a, 10−6 1/°C) 10.2 10.9 11.1 11.7 12.0 12.3 12.5 12.6 10.6 12.2
Specific heat capacity (C, J/(kg -°C)) 473 486 504 525 532 586 641 679 691 682