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Steel 15KHSND

03CrNiSteel 05G1B steel 06G2AF steel 06G2MFB steel 06G2FR steel 06CGSY steel Steel 07GBU Steel 07GFB (07GFB-U) 08G1NFB steel Steel 08G2MF (08G2MFA) 08G2S steel 08G2SFB steel Steel 08G2T (08G2T-U) 08G2FBT steel 08GBU steel Steel 08GBUTR Steel 09G2 Steel 09G2D Steel 09G2S (09G2SA) Steel 09G2SD Steel 09G2FB (09G2BT) 09GBU steel 09GNFB steel Steel 09GSNBTs 09CrNi2Ab steel 10G2B steel Steel 10G2BD 10G2BTU steel Steel 10G2S1 Steel 10G2S1D 10G2SB steel 10G2SFB steel 10G2T steel 10G2FB steel 10Г2ФБЮ steel 10GNB steel Steel 10GS2 10GT steel Steel 10ХГСН1Д (СХЛ-45) 10XDP steel Steel 10ХН1М (ВК-1А) 10KhNDM steel 10XNDP steel Steel 10ХСНД (СХЛ-4) Steel 12G (12GA) Steel 12G2AF Steel 12G2B Steel 12G2S Steel 12G2SB Steel 12G2SMF Steel 12G2SMFAU 12GN2MFAu steel 12NDU steel Steel 12GS (Sv-12GS) 12GSB steel 12GF steel 12ХГДАФ steel 12HSND steel Steel 13G1S (13G1S-U) Steel 13G1SB (13G1SB-U) 13G2AF steel 13GDF steel Steel 13GS (13GS-U) Steel 13GF (13GFA) Steel 14G2 Steel 14G2AF Steel 14G2AFD Steel 14GS Steel 14GF Steel 14ХГМДЦ Steel 14KhGS 15Г2АФД steel (15Г2АФДпс) 15G2SF steel 15G2SFD steel 15Г2ФБЮ steel 15GS steel 15GF steel 15GFD steel 15KhDP steel 15HSND steel Steel 16G (16GA) 16G2AF steel Steel 16G2AFD Steel 16G2SF (16G2SAF) 16GD steel 16GMYUCH steel 16GS steel 16GFB steel Steel 16D Steel 17G1S (17G1S-U) Steel 17GS Steel 18G2AF (18G2AFps) Steel 18Г2АФД (18Г2АФДпс) 18G2S steel 18YuT steel (Ch-33) Steel 19YuFT (Ch37) Steel 1Х2М1 Steel 20G2S 20GS steel Steel 20GS2 Steel 20GSF (20GSFL) Steel 20Х2Г2СР Steel 20KhG2Ts Steel 20ХГСС2 Steel 22G2 22GYu steel Steel 22C Steel 22Kh2G2AU Steel 22Kh2G2P Steel 23Cr2G2T Steel 25G2S Steel 25GS Steel 25C2P Steel 27GS Steel 28G2S1D Steel 28G2SFB (28G2SFBD) Steel 28C Steel 30HS2 Steel 32G2RPs Steel 35GS 45KhGMA steel Steel 80C Steel SVS-690 (Severstal-690) X56 steel

Designation

Name The value
Designation GOST Cyrillic 15ХСНД
Designation GOST Latin 15XCHD
Transliteration 15HSND
The chemical elements 15CrСНCu

Description

15KHSND steel is used: for the production of welded steel elements and various details, which are requirements of high strength and corrosion resistance with the restriction of mass and operating at temperatures from -70 °C to +450 °C; rolled, intended for the manufacture of bridge structures normal Northern execution.

Note

Chronographically low alloy steel with copper. The degree of deoxidation — SP.
15KHSND steel provides strength class long products, strip and shaped rolled CP 325 with a thickness up to 32 mm., KP 345 in thicknesses up to 10 mm.
15KHSND steel provides strength grade sheet, universal broadband rental and roll-formed profiles KP 345 with plate thickness of 32 mm. without the use of additional hardening treatment.

Standards

Name Code Standards
Sectional and shaped rolling В22 GOST 1133-71, GOST 8239-89, GOST 8240-97, GOST 8278-83, GOST 8281-80, GOST 8282-83, GOST 8283-93, GOST 9234-74, GOST 11474-76, GOST 2590-2006, GOST 2591-2006, OST 5.9087-84
Classification, nomenclature and general norms В20 GOST 19281-89
Pipes steel and connecting parts to them В62 GOST 20295-85, GOST 24950-81
Sheets and stripes В23 GOST 82-70, GOST 6713-91, GOST 17066-94, GOST 19903-74, GOST 19904-90, GOST 103-2006, GOST 19282-73, GOST 19903-90, TU 14-1-4632-93, TU 14-1-5120-2008
Welding and cutting of metals. Soldering, riveting В05 OST 36-58-81
Sheets and stripes В33 TU 14-1-5241-93, TU 302.02.130-91, TU 302.02.151-92, TU 14-1-4431-88
Sectional and shaped rolling В32 TU 14-136-367-2008

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu N As Al V Ti Nb
GOST 6713-91 0.12-0.18 ≤0.035 ≤0.035 0.4-0.7 0.6-0.9 0.4-0.7 0.3-0.6 The rest 0.2-0.4 ≤0.008 ≤0.08 - - - -
GOST 17066-94 0.12-0.18 ≤0.04 ≤0.035 0.4-0.7 0.6-0.9 0.4-0.7 0.3-0.6 The rest 0.2-0.4 ≤0.008 ≤0.08 ≤0.03 ≤0.1 ≤0.03 ≤0.02
GOST 19282-73 0.12-0.18 ≤0.04 ≤0.035 0.4-0.7 0.6-0.9 0.4-0.7 0.3-0.6 The rest 0.2-0.4 ≤0.008 ≤0.08 ≤0.05 - ≤0.03 -
TU 14-1-5120-2008 0.1-0.15 ≤0.01 ≤0.015 0.6-0.9 0.3-0.6 0.4-0.7 0.2-0.5 The rest 0.2-0.4 ≤0.008 ≤0.08 - - - 0.03-0.06
Fe is the basis.
According to GOST 17066-94, the mass fraction of arsenic is allowed up to 0.015%, with the mass fraction of phosphorus being not more than 0.030%.
According to GOST 19282-73, it is allowed to modify steel with calcium and rare-earth elements from the calculation of the introduction of not more than 0.02% calcium and 0.05% rare-earth elements into the metal. In the steel, cobalt is allowed up to 0.050%.
According to GOST 19281-89 and GOST 19282-73, it is allowed to add aluminum and titanium from the calculation of the mass fraction in the rolled aluminum - no more than 0.050%, titanium - no more than 0.030%.
According to GOST 6713-91, nitrogen content is allowed up to 0.012%. In steel, deoxidized with aluminum, the residual content of acid-soluble aluminum should be not less than 0.020%. The use of other deoxidizers is allowed. In the rental for bridge structures of the northern version, the mass fraction of sulfur should not exceed 0.030%, phosphorus - not more than 0.025%. Manufacture of electroslag remelting steel is permitted. The analysis of rolling on arsenic and nitrogen is made at the request of the consumer. In the finished category 3 rolled product, the mass fraction of carbon should be ≤ 0.18%.
According to TU 14-1-5120-2008 the chemical composition is given for high quality steel grade 15ХСНДА. A mass fraction in the finished sheet steel is allowed up to 0.012%. In agreement with the customer, the replacement of niobium with vanadium in the amount of 0,08-0,12% is allowed. In the finished rolling deviations in the chemical composition in accordance with GOST 6713. The sheets are delivered with a guarantee of weldability. Carbon equivalent of Se ≤ 0.45%.

Mechanical characteristics

Section, mm t отпуска, °C sT|s0,2, MPa σB, MPa d5, % d4 d10 y, % Brinell hardness number, MPa
Steel hot-rolled sheet in the delivery condition
2-3.9 - - ≥490 - ≥17 - - -
5-9 - ≥350 ≥500 ≥21 - - - -
Bars and shapes of high-strength steel in the delivery state according to the GOST 19281-89 (specified strength class)
≤32 - ≥325 ≥450 ≥21 - - - -
≤10 - ≥345 ≥480 ≥21 - - - -
Rolled steel. Quenching in water from 900 °C + Vacation
- 200 ≥1220 ≥1450 - - ≥10 ≥56 ≥425
The leaves are normalized
- - ≥370 ≥620 - - ≥20 - -
Rolled steel. Quenching in water from 900 °C + Vacation
- 300 ≥1160 ≥1370 - - ≥10 ≥57 ≥410
The leaves are normalized
- - ≥370 ≥590 - - ≥15 - -
Sheet metal in delivery condition on the other 14-1-4632-93 (samples transverse)
5-25 - 345-540 490-690 ≥21 - - - -
Rolled steel. Quenching in water from 900 °C + Vacation
- 400 ≥1080 ≥1170 - - ≥11 ≥58 ≥360
The leaves are normalized
- - ≥360 ≥610 - - ≥11 - -
The plates and universal broadband in the state of delivery according to GOST 19282-73, TU 14-1-5241-93. Quenching + Tempering (samples transverse)
8-32 - ≥345 ≥490 ≥21 - - - -
Rolled steel. Quenching in water from 900 °C + Vacation
- 500 ≥840 ≥930 - - ≥15 ≥62 ≥275
The leaves are normalized
- - ≥375 ≥590 - - ≥14 - -
Bars and shapes supplied
≤10 - ≥345 ≥490 ≥21 - - - -
Rolled steel. Quenching in water from 900 °C + Vacation
- 600 ≥640 ≥740 - - ≥20 ≥68 ≥220
The leaves are normalized
- - ≥300 ≥365 - - ≥17 - -
Bars and shapes supplied
10-32 - ≥325 ≥470 ≥21 - - - -
32-40 - - ≥500 ≥21 - - - -
Plate, broadband (universal), shaped, flat and long products according to GOST 6713-91, THE 14-1-5120-2008 (article 15HSNDA) for steel structures (to obtain the required mechsuit allowed normalization or quenching with high vacation rental 1 category, quenching with high vacation - rental 2 categories)
33-50 - 335-440 470-670 ≥19 - - - -
8-32 - 345-450 490-685 ≥21 - - - -
Pre-painted steel sheet of high-strength steel in the delivery state GOST 17066-94
0.5-3.9 - ≥345 ≥490 - ≥19 - - -
0.5-3.9 - ≥345 ≥460 - ≥19 - - -

Description mechanical marks

Name Description
Section Section
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σB Limit short-term strength
d5 Elongation after rupture
d4 Elongation after rupture
d10 Elongation after rupture
y The relative narrowing

Technological properties

Name The value
Weldability Welded without any restrictions. Welding methods: SMAW, ADS submerged arc and gas protection electroslag welding.
Propensity to temper brittleness Malosolone.
Forging temperature Start - 1180 °C, the end - 840 °C.
Flock-sensitive sensitivity not sensitive.
Corrosion resistance Steel malosana to brittleness, therefore welds are prone to cracking.
Machining by cutting In the normalized released condition when blower SB=560 MPa Kn TV.SPL.=1,4 Kn b.St.=1,12.

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