TU 14-1-1660-76

MINISTRY OF FERROUS METALLURGY OF THE USSR

AGREED: Deputy Chief Chief Technical Office / Stroganov G.B. / May 25, 1976

UDC 669.14−422 Group 32 APPROVED: Chief Engineer of VPO Soyuzspetsstal / Kultygin V.S. / June 21, 1976

STEEL BARS BRANDS
07Х16Н6-Ш (Х16Н6-Ш)

TECHNICAL CONDITIONS
TU 14−1-1660−76
(Instead of TU 14−1-5.4−73)

Introduction date: 01.07.76 AGREED: Deputy Head of VIAM Sklyarov N. M May 20, 1976 Head of Technical Department of VPO «Soyuzspetsstal" Markelov A. I «21» .05.1976 Head laboratory standardization TSNIICHM / Kolyasnikova R.I. / «17» .05.1976

For the period: until 01.01.82 DEVELOPED: Chief Engineer Zlatoustovsky metallurgical plant Uchaev N.N. «29» .05.1976 State Committee for Standards USSR Council of Ministers Registered and entered in the register state standards 07/12/76 No. 155201

1976 year

TU 14−1-1660−76 Sheet 2

These specifications apply to the supply of hot-rolled and forged bars made of corrosion-resistant steel grade 07X16H6-Sh (X16H6-Sh) electroslag remelting.

1. VARIETY

1.1. In terms of shape, size and permissible deviations, the rods must correspond to:

hot rolled round — GOST 2590−71
hot-rolled square — GOST 2591−71, GOST 4693−57, OST 14−13−75
forged — GOST 1133−71.

Note: Hot-rolled square bars less than 100 mm in size and less are allowed to be supplied with blunt corners no more than 0.15 of the square side.

2. TECHNICAL REQUIREMENTS

2.1. The chemical composition of the steel must comply with the standards of table. 1.

Table 1

Note: The content of residual elements: tungsten, vanadium, molybdenum, copper should not exceed 0.2% each.

2.2. The phase composition of steel, determined on the MKL device, must correspond to 70−130 divisions of the instrument scale.

TU 14−1-1660−76 Sheet 3

2.3. When ensuring the magnetization specified in paragraph 2.2, a deviation in the chromium content from the norms of table is allowed. 1 by minus 0.5%.

2.4. The steel is supplied without heat treatment.

At the request of the customer, which is stipulated in the order, the bars are delivered after heat treatment.
Recommended heat treatment mode: annealing at a temperature of 780 ± 15 ° С with cooling in a furnace or in air, followed by heating to a temperature of 680 ± 15 ° С with cooling in a furnace or in air.

2.5. There should be no cracks, sunsets, captivity, hairs and slag inclusions on the surface of the bars. Local defects must be removed by gentle cleaning.

Separate small risks, dents, ripples are allowed without stripping, if the depth of their occurrence does not exceed half of the sum of permissible deviations in size.

The depth of stripping should not exceed the sum of the permissible deviations in size, counting from the actual one.

The stripping width should not be less than six times the depth.

2.6. Burrs at the ends of the bars must be deburred. It is allowed to crush the ends when cutting bars in presses and under hammers.

2.7. When checking the quality of the macrostructure on transverse etched templates, point inhomogeneity, central porosity and liquation square should not exceed 1 point GOST 10243−62. Layer-by-layer crystallization should not exceed 3 points of GOST 10243−62. Other defects classified by GOST 10243−62 are not allowed.

2.8. Bars of 70 mm and larger are ultrasonically tested. A rejection sign is the presence of a defect, the echo signal from which exceeds the echo signal from the control reflector with a diameter of 2.5 mm, located at the same or the closest depth (with an accuracy of 10 mm) at a frequency of 2.5 MHz.

TU 14−1-1660−76 Sheet 4

2.9. The supplier guarantees the quality of the metal along the hair lines during the magnetic control of finished parts in accordance with the requirements of technical specifications TU 14−1-336−72.

2.10. Mechanical properties when tested on thermally treated longitudinal specimens must meet the standards of table. 2. Heat treatment is carried out in samples with allowance for grinding according to the mode: hardening 975−1000 ° C, cooling in water; cold treatment for minutes 70 ± 5 ° С, exposure 2 hours; vacation 350−390 ° С, exposure 1−3 hours.

table 2

2.11. When controlled by the supplier, the contamination of steel with non-metallic inclusions should not exceed (points GOST 1778−70):

• point oxides — 2
• line oxides — 2
• fragile silicates — 2
• plastic silicates — 1
• non-deformable silicates — 3
• sulfides — 1
• nitrides — 1

TU 14−1-1660−76 Sheet 5

3. RULES OF ACCEPTANCE

3.1. General acceptance rules must comply with the requirements of GOST 7566−69.

3.2. Steel is supplied in batches consisting of bars of one heat, one size and one heat treatment mode. The electroslag smelting includes ingots obtained by remelting one initial smelting, in installations of the same type, in a mold of the same cross-section, on a flux of one batch, in one electric mode.

3.3. The control of the chemical composition is carried out on one sample from the melt. Sampling for determining the chemical composition of steel is carried out in accordance with GOST 7565−73.

3.4. Control of magnetization is carried out during the smelting of the initial melt.

3.5. All bars of the batch are subject to quality control of the surface and dimensions.

3.6. Macrostructure control is performed on two templates from different bars of the batch.

3.7. All bars of the batch are subjected to ultrasonic testing.

3.8. The hairs are controlled on finished children at the consumer’s premises.

3.9. For tensile testing and impact strength, two samples from different bars of the batch are taken in accordance with GOST 7564−73 for each type of test.

3.10. The control of the mechanical properties of rods with a cross-section of 100 mm or less is carried out in the finished grade, and of rods with a size of more than 100 mm — on re-forged or rolled blanks with a cross section of 90−100 mm.

Contamination of steel with non-metallic inclusions is controlled on 6 samples in accordance with GOST 1778−70.

3.11. The manufacturer is given the right to check the macrostructure and test the mechanical properties of steel in the intermediate profile and to distribute the test results to all the profiles rolled from it. At the same time, the manufacturer guarantees the properties of the steel of the finished profiles in accordance with the requirements of these technical specifications.

TU 14−1-1660−76 Sheet 6

4. TEST METHODS

4.1. Chemical analysis of steel is carried out in accordance with GOST 12344−66 — GOST 12365−66 or by another method that provides the required determination accuracy.

4.2. The magnetization is controlled according to the supplier’s method.

The control results are recorded in the certificate.

4.3. The surface quality is checked by inspection without the use of magnifying devices.

Dimensions are determined using universal measuring tools or templates.

4.4. The macrostructure of the steel is controlled according to the method and scales of GOST 10243−62.

4.5. Ultrasonic testing is carried out according to the supplier’s method.

4.6. Control for hairs is carried out according to TU 14−1-336−72.

4.7. Tensile testing is performed in accordance with GOST 1497−73.

Impact strength is controlled on samples of type 1 in accordance with GOST 9454−60.

4.8. Contamination with non-metallic inclusions is controlled according to the method and scales of GOST 1778−70.

The assessment is made by the average score calculated as the arithmetic mean of the maximum assessment of each sample for each type of inclusions (method III, variant III).

TU 14−1-1660−76 Sheet 7

5. MARKING, PACKAGING, DOCUMENTATION

5.1. General rules for labeling, packaging and documentation must comply with GOST 7566−69.

5.2. Bars are supplied in bags. Bars in bags should be tightly packed and firmly tied every 1.5−2.0 m. The ends of the bars on one side should be aligned.

5.3. Bars with a cross-section of more than 150 mm are marked at the end and on the tags. It is allowed to apply a hot stamp to the side surface.

5.4. The marking sign must contain:

• — stamp of technical control;
• — supplier’s trademark;
• — steel grade;
• — number of electroslag remelting melt.

The tag additionally indicates the size of the profile and the weight of the shipped batch.

5.5. The tags and certificates additionally bear the State Quality Mark in accordance with GOST 1.9−67.

6. PROCEDURE OF PAYMENT FOR PRODUCTS

6.1. Payment for metal is made at the attached prices.

The crossed out on the title page and in the definition is to be believed.

Registered at TsNIICHM:
«01». 06.1976
Head department of standardization

L.V. Meandrov

TU 14−1-1660−76 Sheet 8

application
to TU 14−1-1660−76

Wholesale prices for high-grade steel grade 07X16N6-Sh

Head department of cost, profitability 05/31/1971
and pricing IE TsNIICHM V.I. Cheplanov

OKP APPROVED BY manufacturer «22» .10.1984 g AGREED with the base organization on standardization «03» .12.1984 with the customer «29» .06.1984 Right:

UDC Group B32

BARS FROM STEEL GRADE 07Х16Н6-Ш

TECHNICAL CONDITIONS
TU 14−1-1660−76

(Change # 2)

Valid from 03/17/85

1. Introduce sub-clause 2.1.1 in the wording: «For limited use, the content of residual elements should not exceed: tungsten, vanadium, molybdenum, copper — 0.2% each; niobium — 0.15%, titanium — 0.05%. The content of residual elements may not be determined.

The steel is marked 07X16N6U-SH.

2. Wholesale prices for products are included in the appendix.

Registered: 17.12.

State Committee for Standards
USSR Council of Ministers

Registered and entered in the register
state standards
84.09.05 No. 155201/02

application
to TU 14−1-1660−76
Change No. 2

WHOLESALE PRICE
for rods made of steel grade 07H16N6U-Sh

Note: These products are subject to the general instructions of price list No. 01−08, ed. 1980 year

Head lab. Current pricing
Institute of Economics
TsNIIchermet A.I. Ilyin

OKP APPROVED BY manufacturer «28» .11.1985 AGREED with the base organization on standardization «09» .12.1985 with the customer «12» .06.1985 Right:

UDC Group B32 State Committee for Standards USSR Council of Ministers Registered and entered in the register state standards 86.01.06 No. 155201/03

BARS FROM STEEL GRADE 07Х16Н6-Ш (Х16Н6-Ш)

TECHNICAL CONDITIONS
TU 14−1-1660−76

(Change # 3)

Valid from:

1. The validity period of the TU shall be extended until 01.12.90.

2. In the preamble, after the word «forged», add: «and with a special surface finish».

3. To add Clause 1.1: «with special surface finish GOST 14955−77 3 and 4 accuracy classes».

4. Clause 2.5 supplement «" The surface quality of steel with a special finish must correspond to groups C, D or D GOST 14955−77. The surface finish group is specified in the order. «

5. Clause 2.6 to add: «Requirements for the ends of steel bars with a special surface finish must comply with GOST 14955−77».

6. Clause 3.1 to add: «and GOST 14955−77».

2

Change No. 3 to TU 14−1-1660−76

Replace the reference to GOST 7566−69 with a reference to GOST 7566−81.

7. Clause 3.3. Replace the reference to GOST 7565−73 with a reference to GOST 7565−81.

8. Clause 3.11 shall be supplemented: «For steel with a special surface finish, the control of non-metallic inclusions is allowed to be carried out in an intermediate billet or rolled stock.»

9. Section 3 shall be supplemented with clauses 3.13 as amended: «3.13 Control of the surface roughness of steel with a special finish is carried out on 5 bars per batch in accordance with GOST 14955−77».

10. Clause 4.1. References to GOST 12351−66, GOST 12354−66 shall be replaced by references to GOST 12351−81, GOST 12354−81.

11. Section 4 shall be supplemented with clauses 4.9 in the wording: «4.9. Surface roughness control of steel with special finishing is carried out in accordance with GOST 14955−77 «.

12. Clause 5.1 to add: «and GOST 14955−77».

Replace the reference to GOST 7566−68 with a reference to GOST 7566−81.

13. Clause 5.5 shall be stated in the wording: «5.5. For products tested in accordance with the highest quality category, the State Quality Mark in accordance with GOST 1.9−67 is additionally applied to the tags and certificates. «

14. The note to the TU shall be supplemented with the calculation of prices taking into account amendment No. 3.

Registered: 09.12.85

3

Appendix 2 to
TU 14−1660−76 with amendment No. 3

WHOLESALE PRICES FOR STEEL WITH SPECIAL FINISHES
SURFACES OF GRADE 07Х16Н6-Ш (Х16Н6-Ш)

Note: These products are subject to the general guidelines of 1980 price list No. 01−08.

Head laboratory of economic
justification of prices for new products
Institute of Economics TSNIICHM A.I. Ilyin

OKP 09 6400 APPROVED BY manufacturer «04» .01.1987 AGREED with the base organization on standardization «__" .____. 198 _ g. with the customer «01» .08.1986 Right:

UDC 669.14−422 Group B32 State Committee for Standards USSR Council of Ministers Registered and entered in the register state standards 09.02.87 No. 155201/04

BARS FROM STEEL GRADE 07Х16Н6-Ш

TECHNICAL CONDITIONS
TU 14−1-1660−76

(Change # 4)
(instead of Amendment No. 2)

Valid from: 28.04.87

1. Introduce sub-clause 2.1.1 in the wording: «For limited use, the content of residual elements should not exceed: tungsten, vanadium, molybdenum, copper — 0.2% each, niobium — 0.15%, titanium — 0.05%. The content of residual elements may not be determined.

Steel is marked «07Х16Н6У-Ш»

2. Wholesale prices for products of limited use are included in Appendix No. 2.

Change No. 4 to
TU 14−1-1660−76

-2-

3. In paragraph 4.1, the references to GOST 12349−66, GOST 12352−66 shall be replaced by references to GOST 12349−83, GOST 12352−81.

4. The title of section 5 and clause 5.1 shall be supplemented with the words: «transportation and storage».

Registered:
28.01.87 g.

Appendix No.
to TU 14−1-1660−76
Change No. 3, 4

WHOLESALE PRICE
for rods made of steel grade 07H16N6U-Sh

Note: These products are subject to the general guidelines of 1980 price list No. 01−08.

Head laboratory of pricing
Institute of Economics TSNIICHM A.I. Ilyin

OKP 99 6400 MINISTRY OF FERROUS METALLURGY OF THE USSR Technical management Central Research Institute ferrous metallurgy them. I.P. Bardeen TsNIIchermet 107905, Moscow, 2nd Baumanskaya, 9/23 Tel. 251−01−02, ref. 100 For telegrams: Moscow, TsNIIchermet TTY: Niobium 113306 Calc. account 249211 in the Kalininsky branch. Promstroybank No. OS / TU-14−1-1660

T 32 Z / z 00315 CEO of the company «Metaloptorg» of the USSR State Committee for Supply Member of the USSR State Committee on prices NIIEChM Ch. engineer Zlatoustovsky met. w-yes 456203 Zlatoust, Chelyabinsk. Region Deputy Head of VIAM 107005 Moscow Deputy chairman of the board «Spetsstal» of the USSR Ministry of Metals Beginning ch. tech. Minaviaprom Administration USSR 101849 Moscow Ch. engineer NPO «Composite" 141070 Kaliningrad, Moscow region Ch. engineer of the plant «Elektrostal» 144002 Elektrostal Ch. engineer of the Chelyabinsk met. to-that 454048 Chelyabinsk Ch. engineer met. k-that «Azovstal» 341000 Mariupol, Donetsk. region

I C H E N I E No. 5

on the extension of technical conditions TU 14−1-1660−76
«Bars made of steel grade 07X16N6-Sh (X16N6-Sh)»

Technical conditions TU 14−1-1660−76 extended to: no restrictions

Basis: Letters: NTsO VIAM No. 26chm / 1512 dated 22.11.90
KB mechanical engineering № 11 / 1057 of 08.12.89

Head department of standardization
ferrous metallurgy V.T. Ababkov

Registered by TsNIICHM: November 29, 1990

Performer Fedorova L.A.
265−72−45

REGISTERED
MCSM Gosstandart
155201/05 from 23.12.1990
24.12.90

1. Name and preamble of technical specifications, clause 2.1 (table 1), clause 2.10 (table 2). The designation of the brand began to be written in the edition: «07Х16Н6-Ш (Х16Н6-Ш, ЭП288-Ш)».

2. Clause 4.5 to write in the wording:

«4.5. Ultrasonic testing is carried out according to the GOST 21120 method, or according to the manufacturer’s method. Arbitration tests are carried out according to the GOST 21120 methodology. «

3. Appendix 1. Replace GOST 12345−88 with GOST 12345−2001, GOST 12361−82 with GOST 12361−2002.

4. Appendix 2 «Form 3.1A» shall be replaced by the attached one.

5. To cancel the preliminary notification from 01.03.2001 № ЦС / ТУ 1660.

True: / Efremova /

Designed by: JSC «MECHEL" May 16, 2003 FSUE TsNIIchermet 28.08.2003	Approved by: FSUE TsNIIchermet 01.09.2003	Introduction date from 01.12.2003
	Agreed: FSUE «VIAM» June 18, 2003

C.2
Change No. 9
TU 14−1-1660−79
Appendix 2
(required)

Form 3.1A

MINISTRY OF FERROUS METALLURGY OF THE USSR Technical management CENTRAL ORDER OF LABOR OF THE RED BANNER RESEARCH INSTITUTE Ferrous metallurgy named after. I.P. BARDINE TSNIICHERMET 107905, Moscow, 2nd Baumanskaya, 9/23 Tel. 251−01−02, ref. 100 For telegrams: Moscow, TsNIIchermet TTY: Niobium 113306 Calc. account 240802 in the Bauman branch of the State Bank 04.21.77 No. OS / TU 14−1-1660

Chief Engineer of Zlatoustovsky metal plant T. Uchaev N.N. Deputy Head of VIAM T. Sklyarov N.M. Chief Engineer of Soyuzspetsstal T. Kultygin V.S. Deputy Chief of the Chief Technical Department of the Ministry of Aviation Industry of the USSR t. Stroganov G.B. Chief Engineer of Soyuzglavmetall T. Zuev B.P. State Price Committee of the USSR Council of Ministers T. Antonov A.P. Head of VIFS T. Vinogradov V.A. Head department of NIIECHM t. Shevelev L.N.

AMENDMENT LETTER

to the technical specifications TU 14−1-1660−76
«Bars made of steel grade 07X16N6-Sh (X16N6-Sh)»

1. Clause 5.2. the first phrase should be adopted in edition: «Bars with a cross section of up to 150 mm are supplied in packages.»

2. Clause 5.3. in the first phrase, delete the words «…and on tags».

Reason: a letter from the Zlatoust Metallurgical Plant
No. 07-TU / 1−1660 dated 31.03. 1977 year

Head department of standardization
ferrous metallurgy L.V. Meander