Steel 03KH16N15M3 (ЭИ844)

Designation

Name The value
Designation GOST Cyrillic 03Х16Н15М3
Designation GOST Latin 03X16H15M3
Transliteration 03H16N15M3
By chemical elements 03Cr16Н15Mo3
Name The value
Designation GOST Cyrillic ЭИ844
Designation GOST Latin EI844
Transliteration EhI844
By chemical elements -

Description

03KH16N15M3 steel is used: for the manufacture of welded structures operating under conditions of boiling phosphoric, sulfuric, 10% acetic acid and sulfuric acid media intended for long-term service at operating temperatures to +600 °C.

Note

Steel corrosion resistant austenitic class.
03KH16N15M3 steel has higher resistance to pitting than steel 0ЗХ17Н14М3.

Standards

Name Code Standards
Classification, nomenclature and General rules В30 GOST 5632-72
Blanks. Of the workpiece. Slabs В31 OST 3-1686-90
Bars and shapes В32 TU 14-11-245-88
Steel pipes and fittings to them В62 TU 14-159-165-87, TU 14-3-219-89

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu V Ti Mo W
GOST 5632-72 ≤0.03 ≤0.015 ≤0.02 ≤0.8 15-17 ≤0.6 14-16 Rest ≤0.3 ≤0.2 ≤0.2 2.5-3 ≤0.2
Fe is the basis.
From steel 03H16N15M3B differs absence in structure Nb.

Technological properties

Name The value
Weldability Without restrictions.