TU 14-1-463-72
The Ministry of ferrous metallurgy
USSR
OKP 09 6400 AGREED: The head of the organization /KARTASHEVSKY VV/ SDT 1332−73−2 |
Group-32 CLAIM: Zam. head of Gatehouseite (seal) |
BARS AND RODS OF STAINLESS STEEL
BRAND 09KH16N4B-SH (ЭП56-W)
SPECIFICATIONS
THAT 14−1-463−72 (INSTEAD CMTU 1−287−68)
LETTER A
(Reprinted in 2000, given the p/n from 23.03.73,
12.04.73, 15.04.75,
The holder of the original — FGUP Tsentr snabzheniya Stroitel’nymi materialami Tsniichermet
The introduction: Agreed: Zam. company Director /Conradi, G. G./ Have glavspetsstroi MFM Head of VIPS |
For the period: Without limitation Developed by: Head. laboratory |
STATE
THE STANDARDS COMMITTEE
Of the Council of ministries of the USSR
Registered and entered in the register
state registration
NOT
Izm. 8 07.10.04
Izm. 8 07.10.04
Izm. From 25.03.0501.06.05
The Ministry of industry,
Research Institute The center of standardization and 017005, Moscow, 2-Aya Baumanskaya, 9/23 For telegrams: Moscow Tsniichermet N CA-3/TU-463 from OKP 09 6400 |
Chief engineer Technical Director of the Group В32 |
PRIOR NOTICE
about changing to THAT 14−1-463−72
«Bars and rods of stainless steel grade 09KH16N4B-sh (ЭП56-W)"
(republished in 2000)
Preamble. Example of symbols. Replace the words: «Round In-W-ND-…» to «Circle-II-ND-…».
Reason: typo correction.
Director V. T. Ababkov
Introduced in amendment # _____
Use Y. S. Ponamareva
Tel 777−93−91
| OKP 09 6400 | Group-32 CLAIM: Director of the Center for standardization V. T. Ababkov |
BARS AND RODS OF STAINLESS STEEL
BRAND 09KH16N4B-SH (ЭП56-W)
SPECIFICATIONS
THAT 14−1-463−72
Amendment No. 8
(Reprinted in 2000)
The holder of the original — Tsentr snabzheniya Stroitel’nymi materialami FGUP tsniichermet im. I. P. Bardin
The introduction:
AGREED: Zam. Director |
DEVELOPED by: Chief engineer OJSC «Metallurgical V. N. Popov On page 3. |
Central scientific
research Institute
ferrous metallurgy
SPECIFICATIONS
WAS
03 June 2004.
No. 100935/08
C2.
Amendment No. 8
THAT 14−1-463−72
1. Preamble. The first sentence. Instead of the words «for the supply of hot-rolled and hot-rolled bars of» burn «for the supply of hot rolled and forged bars».
2. Paragraph 3.7. First paragraph, add the sentence as follows:
«No more than one time to conduct tests according to the changed mode of heat treatment of samples (within a table), while trials are considered to be primary». Further in the text.3. Annex 2 «Form 3.1 A» is replaced by the attached.
4. Advanced notification dated
The examination carried out Tsentr snabzheniya Stroitel’nymi materialami
FGUP tsniichermet im. I. P. Bardin
«24».05.2004
Zam. Director of the Center for standardization and
certification of metal products
D. V. Khromov
2.
THAT 14−1-463−72
This specification covers the supply of hot-rolled and hot-rolled bars of stainless steel grade 09KH16N4B-sh (ЭП56-W), obtained by electroslag remelting.
Example of symbols.
Bar hot-rolled round, the usual accuracy of rolling (In), class II on curvature of random length (ND), with a diameter of 50 mm according to GOST 2590−88, steel stamps 09KH16N4B-sh (EE-56-W) for the cold mechanical treatment (subgroup b), variant I of heat treatment:
The circle In-P-ND-50 GOST 2590−88/09KH16N4B-sh (ЭП56-sh)-b-I TU 14−1-463−72.
1. ASSORTMENT
1.1. The bars are made with a diameter of 180 mm.
1.2. Shape, dimensions and limit deviations bars shall conform to the requirements: hot rolled — GOST 2590; forged — GOST 1133 and specialization of manufacturers.
2. TECHNICAL REQUIREMENTS
2.1. Chemical composition of steel shall conform to the norms of table 1.
Table 1
| Steel grade | Mass fraction of elements, % | ||||||||
| Carbon | Manganese | Silicon | Chrome | Nickel | Niobium | Sulfur | Phosphorus | Copper | |
| no more | no more | ||||||||
| 09KH16N4B-SH (ЭП56-W) | 0,08−0,12 | 0,50 | 0,60 | Of 15.0 to 16.4 | 4.0 to 4.5 | 0,05−0,15 | 0,012 | 0,025 | 0,20 |
Notes: 1. The allowable deviation in the mass fraction of chromium — plus, minus 0.1%; Nickel — plus minutes of 0.05%. 2. Allowed residual mass fraction of tungsten, vanadium and molybdenum, not more than 0.2% each. | |||||||||
2.2. Mechanical properties of bars determined on samples cut from the heat treated blanks must conform to the standards specified in table 2.
2.3. Bars supplied in annealed state (after annealing).
2.4. Hardness of bars on the Brinell hardness in delivery condition shall not exceed 321 HB, indentation diameter shall not be less than 3.4 mm.
3.
THAT 14−1-463−72
| A variant of the heat treatment | The mode of heat treatment | The direction of the fibers | Mechanical properties, not less | |||||
| The tensile strength σin N/mm2 (kgf/mm2) |
Yield strength σ0,2 N/mm2 (kgf/mm2) |
Relative | Toughness | |||||
Elongation, δ5, |
Narrowing ψ, % |
Sample type 1 | Sample type 11 | |||||
| KCU | KCV | |||||||
| J/cm2 (kgf m/cm2) | ||||||||
| I | Heating to a temperature of 1150±10°C, exposure time 5−5,5 h, air cooling, vacation 600−620°C | Longitudinal | 980 (100) | 835 (85) | 10 | 50 | 78 (8) | 49 (5) |
| Double treatment regime: quenching from 1030−1050°C, air cooling or oil; vacation at 600−620°C | cross | 980 (100) | 835 (85) | 8 | 40 | 49 (5) | 39 (4) | |
| II | Heating to a temperature of 1150±10°C, exposure time 5−5,5 h, air cooling, vacation 600−620°C | Longitudinal | 1180 (120) | 930 (95) | 10 | 50 | 78 (8) | 49 (5) |
| Quenching with 1030−1050°C, air cooling or oil; vacation at 600−620°C + tempering with the 970−980°C, air cooling or oil; vacation at 300−700°C | cross | 1180 (120) | 930 (95) | 7 | 40 | 49 (5) | 39 (4) | |
Notes: 1. Option thermal treatment of samples indicated in the order, and in the absence of instructions is selected by the manufacturer. 2. Mechanical properties of bars in the transverse samples is determined for bars with diameter 100 mm and more. For bars with a diameter from 80 mm to 100 mm determine only toughness in the transverse samples of type 11 according to GOST 9454. The axis of the specimen shall be held at a distance of ½ of the radius from the surface of the rod. | ||||||||
4.
THAT 14−1-463−72
2.5. The macrostructure of the etched transverse bars on templeto should not be visible without a magnifying instrument gas bubbles, captured, czernowin, fistulas, foreign metal and slag inclusions, podsadecki segregation and exudation of the square.
The degree of development of the Central porosity, point heterogeneity and Dodge not to exceed the limits specified in table 3.
Table 3
| №№ p/p | The name of the defect | n scale | Points, no more than |
| 1 | Central porosity | 1 | 1 |
| 2 | Point heterogeneity | 2 | 2 |
| Note. Increased or reduced travelmasti of the axial zone is not a rejection symptom. | |||
2.6. Quality control of metal-to-Voloshina produce the consumer on the finished parts in accordance with the requirements of TU 14−1-336−72.
2.7. Pollution steel non-metallic inclusions on the average score shall not exceed the standards set out in table 4.
Table 4
| №№ p/p | The types of inclusions | n scale | Point defect, nothing more |
| 1 | Oxide stroke | - | 2,5 |
| 2 | Oxides of point | - | 2 |
| 3 | Silicates fragile | - | 1 |
| 4 | Silicates plastic | - | 1 |
| 5 | Silicates, non-deformed | - | 3 |
| 6 | Sulfides | - | 1 |
| 7 | Nitrides stroke | a, b | 2 |
| 8 | Nitrides spot | and | 2 |
2.8. The surface of bars shall conform to the requirements of GOST 5949.
5.
THAT 14−1-463−72
3. ACCEPTANCE RULES, TEST METHODS
3.1. Acceptance rules and test methods — according to GOST 5949 and GOST 7566 with the following additions.
3.2. In furnaces of electroslag remelting, which can be molded two to three consumable electrode melting of the source (paired or triple picking) is allowed to complete consumable electrodes of the two or three initial heats. In this case, the document entered as the numbers of these heats.
3.3. To check the quality of bars from the party taken:
a) to test the hardness of 5% of bars, but not less than: for sizes up to 40mm — 10 bars, from 41 to 100 mm — 5 rods and more than 100 mm — 3 rod out of the number placed in the party;
b) to check the macrostructure — 2 sample from the melt;
C) for determination of non-metallic inclusions — 6 samples from the bottoms from the most contaminated part of the ingot;
g) to determine the mechanical properties (tensile tests and impact bending) for two samples from different bars in the batch for each type of test.
3.4. Macrostructure of bars checking for GOST 10243 bars for cross sections up to 140 mm in the finished profiles, for large cross sections can be control samples or reforged perinatalnyj to the size of 120−140 mm.
3.5. Pollution steel non-metallic inclusions test method or Ш4 SH1 (at the supplier’s discretion) according to GOST 1778.
3.6. Tensile test carried out on cylindrical samples five times the length according to GOST 1497. Test for impact strength is carried out according to GOST 9454- - the samples of type 1 and 11. Sampling for mechanical tests according to GOST 7564 subject to note 2 to table 2 of this specification.
3.7. With the repeat testing of mechanical properties determine all the characteristics of strength and plasticity under these technical conditions, regardless of the outcome of initial testing.
In case of unsatisfactory results, re-testing any of the sample batch is rejected.
6.
THAT 14−1-463−72
4. MARKING, PACKAGING, TRANSPORTATION AND STORAGE
4.1. Marking, packaging, transportation and storage in accordance with the requirements of GOSTS 5949 with the following additions:
— if the party handed in the results of repeated tests in a quality document are indicative and the results of initial testing;the finished product is shipped only with the permission of TCI employees of the manufacturer.
Note. For products under these technical conditions apply prices are negotiable.
The examination carried out FGUP Tsentr snabzheniya Stroitel’nymi materialami Tsniichermet:
«05».10.2000.
Zam. Director of Tsentr snabzheniya Stroitel’nymi materialami
D. V. Khromov
6.
THAT 14−1-463−72
Appendix 1
Reference
LIST OF ND,
referenced in the text of the technical conditions
| The designation ND | The number of the paragraph where referenced |
| GOST 1133−71 | 1.2 |
| GOST 1497−84 | 3.6 |
| GOST 1778−70 | 3.5 |
| GOST 2590−88 | 1.2 |
| GOST 5949−75 | 2.8, 3.1, 3.8, 4.1 |
| GOST 7564−97 | 3.6 |
| GOST 7566−94 | 3.8 |
| GOST 9454−78 | 3.6 |
| GOST 10243−75 | 3.4 |
| THAT 14−1-336−72 | 2.6 |
C. 3
Amendment No. 8
THAT 14−1-463−72
Annex 2
(required)
Form 3.1 A
| The name of the product by ND | Code product according to the OKP (OK 005−93) | Code by TCA | Group | |
| Bars and rods of stainless steel grade 09KH16N4B-sh (ЭП56-W) | 09 6400 | 71.140.60 | 32 | |
| Mark steel (alloy) | Codes grade of steel (alloy) | |||
| 09KH16N4B-SH (ЭП56-W) | 8422 | |||
