2550

MAT 2550 MCGB - DATA SHEET FOR SUPPLIERS

Old MAT Nos.: 325, -, Cast Steel, Carbon Steel

For more information contact FLSmidth

PROPERTIES: Unalloyed heat treated steel casting for general purposes.

STANDARDS: General requirements: When reference to this MAT NO appears on FLS Drawing or FLS Parts List or in FLS Purchase Order the data from the Primary Standard is used as acceptance criteria. Specific deviations in requirements made in the FLS Parts List, the FLS Purchase Order or a FLS Instruction always overrules this data sheet. Alternatively accepted International Standards listed in this sheet may be used if the supplier’s documentation covers at least the documentation required in the Primary Listed Standard. This means that supplementary tests in some cases will be necessary. Primary Standard:

EN 10293 (2005), MATERIAL: G28Mn6 + N, MATERIAL No.: 1.1165 Steel castings for general engineering uses.

CHEMICAL COMPOSITION: Dim. mm

Dim. mm

% C max or range

% Si max or range

% Mn max or range

% P max or range

% S max or range

% N max or range

% Al min or range

0.25-0.32

0.6

1.2-1.8

0.035

0.030

-

-

% Cr max or range

% Mo max or range

% Ni max or range

% V max or range

% Nb max or range

0.30

0.12

0.40

0.03

-

% Cu max or % Other min or range range 0.30

-

%Cr+%Mo+%Ni+%V+%Cu ≤ 1%

MECHANICAL PROPERTIES AT ROOM TEMPERATURE: Condition +N

Dim. mm

-250

Tensile Strength MPa

Yield Strength MPa

Elong. %

Rm

Re

A5

Z

Z

520-670

260

18-

-

-

Area Reduction

M.Elas GPa E

Imp. Energy KV, Min

Hardness HRc

HB

HV

°C

J

-

-

-

20

27

+N = Normalized

Rev_No

:

7,0

Issue Date: 01-06-1998 Prepared by: KHN Page 1 of 3 Revision Date: 18-09-2012 Approved by: AsK The information transmitted by this document is the proprietary and confidential property of FLSmidth, and may not be duplicated, disclosed, or utilized without written consent from FLSmidth.

MAT 2550 MCGB - DATA SHEET FOR SUPPLIERS

Old MAT Nos.: 325, -, Cast Steel, Carbon Steel

For more information contact FLSmidth

ALTERNATIVE INTERNATIONAL STANDARDS TO MAT 2550 Standard GOST 977-88 GB/T 3077 ASTM A 148/A 148M (2008)

Type of Material

ASTM: BS: JIS:

American Society of Testing Materials British Standard Japanese Industrial Standard

DIN: EN: ISO:

GB:

Chinese Standard

GOST:

Name of Material 30GSL 30Mn2 Gr. 80-50 [550-345]

Material No.

Deutsche Industrie-Norm European Norm International Organisation of Standardization Russian Standard

DELIVERY CONDITIONS: 0-250 mm: To be supplied in the normalized condition, N, from 880-950ºC.

Rev_No

:

7,0

Issue Date: 01-06-1998 Prepared by: KHN Page 2 of 3 Revision Date: 18-09-2012 Approved by: AsK The information transmitted by this document is the proprietary and confidential property of FLSmidth, and may not be duplicated, disclosed, or utilized without written consent from FLSmidth.

MAT 2550 MCGB - DATA SHEET FOR SUPPLIERS

Old MAT Nos.: 325, -, Cast Steel, Carbon Steel

For more information contact FLSmidth

Revisions: Rev. No.

Rev. Date

Change

Responsible

0,70

10-02-2002

AnJo

0,71

31-01-2005

1,0 2,0

08-06-2005 14-02-2007

3,0 4,0 5,0

25-06-2007 23-08-2007 14-03-2008

6,0

30-03-2009

7,0

18-09-2012

Text editions Prepared & Approved changed References to Alternative Standards added to supplier version. prEN 10293:2003 added to the reference list with the material designation G28Mn6+N; W.stoff.nr 1.1165 Rev. no. changed to 1,0 Primary standard changed. Chemical composition and mechanical properties changed. Delivery conditions changed. Contact information changed. GOST and GB standards added. GOST standard revised Max allowed alloy content added in Chemical composition. Delivery condition updated. Alternative standards updated. ASTM standard added. Dimensional specifications changed for mechanical properties. Heat treatment QT removed from mechanical properties.

Rev_No

:

7,0

AsK AsK AsK AsK AsK AsK KHN KHN

Issue Date: 01-06-1998 Prepared by: KHN Page 3 of 3 Revision Date: 18-09-2012 Approved by: AsK The information transmitted by this document is the proprietary and confidential property of FLSmidth, and may not be duplicated, disclosed, or utilized without written consent from FLSmidth.