Characteristics steel 30 products

Steel grade 30 is a high-quality structural steel used when manufacturing parts of low strength, including cylinders, spindles, shafts, couplings, levers and rods.

Classification: High-quality structural carbon steel.

Products: Flat-rolled steel, including shaped.

Chemical composition of steel 30 according to ladle sample in accordance with DSTU 7809 and GOST 1050, %

 

Chemical composition of steel 30 according to ladle sample in accordance with DSTU 7809 and GOST 1050, %

С

Si

Mn

S

P

Cr

0.27-0.35

0.17-0.37

0.5-0.8

<0.04

<0.035

<0.25

 

Mechanical properties of steel 30 after normalising

Minimum yield strength, MPa

Minimum temporary resistance, MPa

Minimum relative elongation, %

Minimum relative reduction, %

295

490

21

50

 

Steel 30 analogues

US

1030, G10300, M1031

Germany

1.0528, C30, C30E, Ck30

Japan

S28C, S30C, S33C, SWRCH30K, SWRCH33K

France

C30E, FR32, XC32

UK

080M32

EU

1.0528, 1.1178, C30, C30E

Italy

C30, C30E, C30R

China

30, ML25Mn, ML30

Bulgaria

30

Poland

30, 30A, 30rs

Romania

OLC30

Czech Republic

12031

 

Application

Steel grade 30 has an average level of strength characteristics, which allows it to be used when manufacturing traverses and levers, shafts, sprockets, rods, couplings and other low-loaded parts.

 

Welding

Steel grade 30 has limited weldability. The main welding methods include electroslag welding, automatic arc welding, and manual submerged and shielded arc welding. Heat treatment is recommended when preparing the material.

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