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WO/2022/144091A1 |
Provided is a connection element comprising a tubular first part with a first ring-shaped connection face for connection with a highly heat resistant steel pipe and a tubular second part with a second ring-shaped connection face for conn...
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WO/2022/142101A1 |
Disclosed are a high-toughness and high-aging impact steel plate and a manufacturing method therefor, and the present invention relates to the technical field of steel production. The high-toughness and high-aging impact steel plate comp...
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WO/2022/145061A1 |
Provided is a steel material that has a specific chemical composition satisfying ０．４０［Ｐｒ］＋０．３７［Ｓｍ］＋０．
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［Ｔｂ］＋０．３４［Ｄ...
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WO/2022/145066A1 |
Provided is a steel material having a prescribed chemical composition which satisfies Z≥0.0003 and 1.80×[P]-Z<0.010 (In the formulas, Z=0.61[Zr]+0.31[Hf]-1.75[O]-3.99[N]-1.74[S], and [Zr], [Hf], [O], [N], [S] and [P] represent the con...
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WO/2022/145063A1 |
Provided is a steel material having a predetermined chemical composition satisfying X ≥ 0.0003 and 1.80 x [P] – X < 0.010 (in the expressions: X = 0.40 [Pr] + 0.37 [Sm] + 0.37 [Eu] + 0.36 [Gd] + 0.35 [Tb] + 0.34 [Dy] + 0.34 [Ho] + 0....
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WO/2022/145069A1 |
Provided is a steel material having a predetermined chemical composition satisfying 0.61 [Zr] + 0.31 [Hf] – 1.75 [O] – 3.99 [N] – 1.74 [S] ≥ 0.0003 (in the expression, [Zr], [Hf], [O], [N], [C], and [S] represent the content [mas...
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WO/2022/145064A1 |
Provided is a steel material which has a predetermined chemical composition and which contains inclusions containing at least one kind from among Pr, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and Sc and one or two kinds from S and O, where...
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WO/2022/139396A1 |
The present invention relates to high-manganese steel for a disc brake, and discloses high-manganese austenitic steel for a disc brake having an excellent coefficient of friction . According to one embodiment of the disclosed high-mangan...
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WO/2022/138895A1 |
The present invention provides: a steel sheet which has high strength and excellent delayed fracture resistance characteristics; and a method for producing this steel sheet. This steel sheet has a specific component composition, while ...
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WO/2022/138396A1 |
Provided is a steel sheet that has excellent workability while maintaining excellent strength. The steel sheet has a specific component composition and contains 45 to 90% of ferrite, 5 to 30% of martensite, 1 to 25% of bainite, and 3% or...
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WO/2022/136689A1 |
A zinc or zinc-alloy coated rolled steel strip or sheet comprising of (in wt. %) 0.08 - 0.28 C, 1.4 - 4.5 Mn, 0.01 - 0.5 Cr, 0.01 - 2.5 Si, 0.01 – 2.0 Al. The steel having a tensile strength of 950 – 1550 MPa, a yield strength of 350...
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WO/2022/139353A1 |
A method for manufacturing a grain oriented electrical steel sheet according to an embodiment of the present invention comprises the steps of: hot-rolling a slab to prepare a hot-rolled sheet, the slab containing, in weight%, Si: 2.5-4.0...
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WO/2022/139191A1 |
The present invention relates to a highly thick steel material and a manufacturing method therefor and, more specifically, to a highly thick steel material that exhibits excellent low-temperature impact toughness after long-term PWHT alt...
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WO/2022/139354A1 |
A grain-oriented electrical steel sheet according to one embodiment of the present invention comprises, by wt%, 2.0-4.0% of Si, 0.04-0.2% of Mn, 0.010% or less of N (excluding 0%), 0.005% or less of C (excluding 0%), 0.03-0.08% of Sn and...
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WO/2022/139400A1 |
The present invention provides an ultra high strength cold rolled steel sheet having excellent spot weldability and formability. The ultra high strength cold rolled steel sheet, according to one embodiment of the present invention, compr...
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WO/2022/139135A1 |
Provided in the present specification is an ultra-thick steel sheet with excellent strength and low-temperature impact toughness, and a manufacturing method therefor. Disclosed are an ultra-thick steel sheet with excellent strength and l...
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WO/2022/139355A1 |
A steel sheet with excellent phosphatability, according to one embodiment of the present invention, comprises, by wt%, 0.02-0.06% of carbon (C), 0.01% or less of silicon (Si) (excluding 0%), 0.1-0.24% of manganese (Mn), 0.02% or less of ...
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WO/2022/139250A1 |
According to one aspect of the present invention, a high-strength hot-dip galvanized steel sheet having an excellent surface quality and spot weldability, and a manufacturing method therefor may be provided.
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WO/2022/139275A1 |
An austenitic stainless steel with improved corrosion resistance and machinability is disclosed. The austenitic stainless steel with improved corrosion resistance and machinability according to the present invention comprises, by weight%...
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WO/2022/140093A1 |
An example track shoe (118), cutting edge (120), or other component of a machine (100) is formed in a heated process, such as hot-rolling followed by air-hardening. The air-hardening process involves cooling the component by flowing air ...
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WO/2022/139282A1 |
One embodiment of the present invention provides: a high toughness high carbon cold rolled steel sheet having excellent formability comprising, by weight%, C: 0.80% to 1.25%, Mn: 0.2% to 0.6%, Si: 0.01% to 0.4%, P: 0.005% to 0.02%, S: 0....
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WO/2022/137697A1 |
This case hardened steel is for warm forging at a forging temperature of 850-1100°C. The case hardened steel contains 0.15-0.23% of C, 0.60-0.95% of Si, 0.60-1.20% of Mn, 0.035% or less of P, 0.035% or less of S, 1.50% or less (but excl...
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WO/2022/139205A1 |
Provided are steel having excellent laser cutting properties and a method of manufacturing same. The steel of the present invention having excellent laser cutting properties comprises, by weight %, 0.15-0.30% of carbon (C), 0.1-0.5% of s...
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WO/2022/139252A1 |
According to one aspect of the present invention, provided are a high-strength hot-dipped galvanized steel sheet having excellent surface quality and spot weldability, and a manufacturing method therefor.
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WO/2022/135268A1 |
Carbide-containing high-strength and -toughness bainitic wear-resistant steel and a preparation method therefor. The chemical composition of the wear-resistant steel comprises: 0.6-1.2 wt% of C, 1.2-2.5 wt% of Si, 0.8-2.0 wt% of Mn, 5-10...
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WO/2022/139204A1 |
According to an aspect of the present invention, an extremely thick steel plate for steam drum having excellent surface quality and lamellar tear resistance and a manufacturing method therefor may be provided.
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WO/2022/138395A1 |
Provided is a hot-dip galvanized steel sheet that has both high strength and good workability, while also having superior galvanization quality. The component composition of a base steel sheet is within prescribed ranges, the steel struc...
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WO/2022/139335A1 |
A non-oriented electrical steel sheet according to one embodiment of the present invention comprises, by wt%, 2.0 to 3.8% of S1, 0.1 to 2.5% of Al, 0.1 to 2.5% of Mn, 0.01 to 0.08% of Mo, 0.0010 to 0.0050% of Ti, 0.0010 to 0.0050% of Nb,...
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WO/2022/138572A1 |
The present invention addresses the problem of providing an Fe-Ni-Cr alloy for sheath pipes of sheathed heaters, said Fe-Ni-Cr alloy having excellent oxidation resistance, corrosion resistance and weldability and being able to be used in...
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WO/2022/139337A1 |
A non-oriented electrical steel sheet, according to one embodiment of the present invention, comprises, by weight%, Si: 3.0% to 4.0%, Al: 0.3% to 1.5%, Mn: 0.1% to 0.6%, at least one from among Sn and Sb: 0.006% to 0.1%, C: 0.0015% to 0....
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WO/2022/136552A1 |
Non-magnetic part comprising an austenitic alloy, the austenitic alloy comprising between 50 and 85 wt % of iron, one or more gammagene elements the weight percentage or the total weight percentages of which amount to between 15 and 35 w...
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WO/2022/138194A1 |
This precipitation-hardened martensitic stainless steel: has a steel composition containing, by mass%, 0.080% or less of C, 0.70-3.00% of Si, 3.00% or less of Mn, 6.00-10.00% of Ni, 10.00-17.00% of Cr, 0.050% or less of P, 0.008% or less...
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WO/2022/139352A1 |
A method for manufacturing a grain-oriented electrical steel sheet, according to one embodiment of the present invention, comprises the steps of: manufacturing a hot rolled sheet by hot rolling a slab comprising, by wt%, 2.5-4.0% of Si, ...
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WO/2022/139567A1 |
A non-oriented electrical steel sheet according to one embodiment of the present invention comprises, by wt%, 0.005% or less of C (excluding 0%), 1.2-2.7% of Si, 0.4-2.0% of Mn, 0.005% or less of S (excluding 0%), 0.3% or less of Al (exc...
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WO/2022/139190A1 |
The present invention relates to an ultra-high-strength steel sheet and a manufacturing method therefor, and, more specifically, to: a steel sheet having excellent thermal stability to have a high yield ratio and ultra-high strength even...
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WO/2022/136684A1 |
The invention relates to a cold roll strip or sheet comprising in (wt%): C 0.12 - 0.20; Mn 1.9 - 2.6; Cr 0.15 - 0.3; Si 0.3 - 0.8; Al 0.8 - 1.2; Mn + Cr 1.8 - 5; Nb ≤ 0.008; Ti ≤ 0.02; Mo ≤ 0.08; Ca ≤ 0.005; V ≤ 0.02; and balan...
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WO/2022/139309A1 |
A steel sheet with excellent processability according to an embodiment of the present invention comprises, by weight%, 0.012 to 0.060% of C; 0.03% or less (exclusive of 0%) of Si; 0.1 to 0.4% of Mn; 0.015 to 0.050% of Al; 0.015% or less ...
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WO/2022/139359A1 |
A non-oriented electrical steel sheet according to one embodiment of the present invention comprises: 3.3 to 4.0 weight% of Si; 0.4 to 1.5 weight% of Al; 0.2 to 1.0 weight% of Mn; 0.0015 to 0.0040 weight% of C; 0.0005 to 0.0020 weight% o...
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WO/2022/139278A1 |
Provided are a QT heat treated high carbon hot rolled steel sheet, a high carbon cold rolled steel sheet, a QT heat treated high carbon cold rolled steel sheet, and manufacturing methods thereof, wherein the QT heat treated high carbon h...
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WO/2022/136683A1 |
The invention relates to a cold roll strip or sheet comprising in (wt%) C 0.08 - 0.28; Mn 1.4 - 4.5; Cr 0.01 - 0.5; Si 0.01 - 2.5; Al 0.01 - 0.6; Si + Al ≥ 0.1; Si + Al + Cr ≥ 0.4; Nb ≤ 0.008; Ti ≤ 0.02; Mo ≤ 0.08; Ca ≤ 0.005...
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WO/2022/139369A1 |
In an embodiment of the present invention, disclosed is a member for an automobile structure including a base steel plate and a plating layer covering at least one surface of the base steel plate, the member having the tensile strength o...
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WO/2022/139313A1 |
A steel sheet for porcelain enamel according to an embodiment of the present invention comprises 0.0005 to 0.0030 wt% of C, 0.15 to 0.55 wt% of Mn, 0.001 to 0.03 wt% of S, 0.0001 to 0.002 wt% of Al, 0.001 to 0.020 wt% of P, 0.001 to 0.03...
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WO/2022/139314A1 |
The present invention can provide a non-oriented electrical steel sheet which comprises 2.10 to 3.80 wt% of Si, 0.001 to 0.600 wt% of Mn, 0.001 to 0.600 wt% of Al, 0.001 to 0.100 wt% of P, 0.0005 to 0.0100 wt% of C, 0.001 to 0.010 wt% of...
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WO/2022/139276A1 |
Disclosed is a martensitic stainless steel with excellent hardenability through the control of a component system. A martensitic stainless steel with excellent hardenability according to an embodiment of the present invention comprises, ...
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WO/2022/138894A1 |
Provided are: a steel sheet and a member, each of which has high strength and excellent delayed fracture resistance characteristics; a method for producing this steel sheet; and a method for producing this member. This steel sheet has ...
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WO/2022/139251A1 |
According to one aspect of the present invention, provided are a high strength zinc-plated steel sheet having excellent uniform spot weldability along the width direction, and a manufacturing method thereof.
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WO/2022/139370A1 |
The present invention relates to a welded structural member having excellent corrosion resistance and crack resistance, and a method for manufacturing same.
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WO/2022/136686A1 |
A zinc or zinc-alloy coated rolled steel strip or sheet comprising of 0.08 - 0.28 C, 1.4 - 4.5 Mn, 0.01 - 0.5 Cr, 0.01 - 2.5 Si, 0.01 – 2.0 Al. The steel having tensile strength of 950 – 1550 MPa, yield strength of 350-1400 MPa, yiel...
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WO/2022/139312A1 |
A grain oriented electrical steel sheet according to an embodiment of the present invention comprises: an electrical steel sheet base comprising 2.0 to 7.0 weight % of Si and 0.01 to 0.07 weight % of Sb, and the remainder being Fe and ot...
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WO/2022/139390A1 |
The present invention relates to a high-strength hot-dipped galvanized steel sheet having excellent surface quality and spot weldability and a method for manufacturing same. The hot-dipped galvanized steel sheet according to one aspect o...
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