Characteristics of 10-brand steel

10 steel is a high-grade structural carbon steel used in ductile components and structures used in temperatures of -40°С to +450°С. Hot-rolled and forged long products made from 10 steel conform to the DSTU 7809 and GOST 1050 standards.

Classification: High-grade structural carbon steel.

Product: Rolled products, including shaped.

 

Chemical composition of 10 steel, %

С

Si

Mn

Ni

P

S

Cr

As

Cu

Fe

0.07-0.14

0.17-0.37
0.35-0.65

<0.25

<0.035
<0.04

 <0.015

<0.08

<0.25

~98

 

Mechanical properties of 10 steel

Standard

Delivery condition

Creep limit, MPa

 Ultimate short-term tensile strength, ReH (MPa)

Minimum elongation ratio σ, %

Contraction ratio, %

GOST 1050

Post-normalisation

 205

330

31

55

DSTU 7809

Post-normalisation

205

330

31

55

 

Analogues to 10 steel

US  

1010, 1012, 1110, C1010, Gr.A, M1010, M1012

Germany  

11.0301, 1.0305, 1.0308, 1.1121, C10, C10E, Ck10, St35, ST35-8

Japan

S10C, S12C, S9CK, SASM1, STB340, STKM12A, SWMR

France

AF34, AF34C10, C10, C10RR, XC10

UK

040A10, 040A12, 045M10, 10CS, 10HS, 1449-10CS, CFS3, CS10

EU

1.1121, 2C10, C10, C10D, C10E

Italy

1C10, 2C10, C10, C14, Fe360

Spain

F.1511

China

10

Sweden

1233, 1265

Bulgaria

10

Hungary

C10

Poland

10, K10, R35

Romania

OLC10

Czech Republic

11353, 12010, 12021

Switzerland

C10

 

Application

10 steel is widely used due to its low cost and high usability. It is found in flat products for cold-forging; components requiring high ductility and preservation of characteristics at temperatures up to +450°С; components that have been thermo-chemically treated with high surface hardness and durability (bushings, screws etc); arc-welded pipes for tubular electric heaters and certain mechanical devices; seamless cold-sized tubes for boilers; oil and steam heaters; the main layer in hot-rolled dual-layer corrosion-resistant sheets; and hydraulic pipes for automobiles, combine harvesters, tractors, fridges, etc.

 

Welding

10 steel possesses excellent characteristics for manual-arc, automatic-arc, and spot welding. However, these methods are not appropriate for components that have undergone thermo-chemical treatment, as they have very low welding capacity.

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