Questions & Answers
Nominal size (diameter/side), mm | Weight of 1 m of forged circle, kg | Weight of 1 m of forged square, kg |
50 | 15,41 | 19,63 |
60 | 22,19 | 28,26 |
70 | 30,21 | 38,47 |
80 | 39,46 | 50,24 |
90 | 49,94 | 63,59 |
| 100 | 61,65 | 78,50 |
110 | 74,60 | 94,98 |
120 | 88,78 | 113,04 |
130 | 104,19 | 132,66 |
GOST (Basic Forging Standards)
GOST 8479-70 - Forgings from Structural Alloy and Carbon Steels;
GOST 1050-2013 - High-Quality Carbon Steels (for Forgings);
GOST 2614-79 - Forgings from Tool Steels;
GOST 7062-90 - Forgings from Titanium Alloys and Titanium;
GOST 4543-2016 - Alloy Steels (applies to forgings by material);
GOST 7829-70 - Forgings from Alloy and Carbon Steels (General Purpose);
GOST 25054-81 - Forgings from Heat-Resistant and Corrosion-Resistant Steel Alloys;
GOST 1133-71 - Forgings from Alloys and Non-Ferrous Metals;
GOST 20072-74 - Forgings from Structural Alloy Steels.
GOST on Inspection and Tolerances
GOST 10243-75 - Test Methods for Forgings;
GOST 8479 - Testing and Quality Requirements;
GOST 7505-89 - Tolerances, Forgings, Forging Oversize and Allowances;
GOST 7565-81 - Sampling for Mechanical Testing.
ISO (International)
ISO 898 - Mechanical Properties of Products (Including Forged Elements);
ISO 683 - Heat-Treatable Steels (Used for Forgings).
EN (European Standards)
EN 10254 - Forgings for Pipelines;
EN 10250 - Open Steel Forgings;
EN 10083 - Tempering and Hardening Steels (for Forgings);
EN 10222 - Forgings for Pressure Equipment.
Alloy structural steels (GOST 4543): 45Kh, 40Kh, 20Kh, 35Kh, 15Kh, 30Kh, 20KhN3A, 30KhGSA, 12KhN3A, 20KhM, 35KhM, 30KhN2MFA, 38KhN3MA, 40KhN2MA, 40KhN, 38Kh2MYuA, 25KhGT, 18KhGT, 40KhGSA, 35KhGSA.
Carbon structural steels (GOST 1050): St30, St50, St10, St20, St40, St35, St55, St25, St45, St15.
Corrosion-resistant and heat-resistant steels (GOST 5632): 10Kh17N13M2T, 40Kh13, 30Kh13, 20Kh13, 12Kh13, 08Kh18N10, 15Kh25T, 20Kh23N18, 03Kh17N14M3, 12Kh18N10T.
Low-alloy and high-strength steels (GOST 19281): 15GF, 17G1SU, 17G1S, 14G2, 10G2S1, 09G2S.
Tool steels:
Spring steels: 70S2KhA, 60S2A, 65G, 55S2.
Carbon steels (GOST 1435/5950): U12, U10, U9, U8, U7, U8A;
Heat-resistant steels and steels for critical forgings: 15Kh1M1F, 20Kh1M1F1TR, 12Kh1MF, 15Kh5M;
Alloyed tool steels: 3Kh2V8F, 9KhS, 4Kh5MFS, 5KhNM, Kh12MF, Kh12, KhVG;
Bearing steels: ShKh15SG, ShKh15.