JPS5658948A - Structural steel with enhanced z-direction crack resistance - Google Patents

Structural steel with enhanced z-direction crack resistance

Info

Publication number
JPS5658948A
JPS5658948A JP13176779A JP13176779A JPS5658948A JP S5658948 A JPS5658948 A JP S5658948A JP 13176779 A JP13176779 A JP 13176779A JP 13176779 A JP13176779 A JP 13176779A JP S5658948 A JPS5658948 A JP S5658948A
Authority
JP
Japan
Prior art keywords
structural steel
crack resistance
enhanced
direction crack
rem
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP13176779A
Other languages
Japanese (ja)
Other versions
JPS6013419B2 (en
Inventor
Hisashi Gondo
Akira Nakajima
Makio Iino
Seinosuke Yano
Takahide Ono
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP54131767A priority Critical patent/JPS6013419B2/en
Publication of JPS5658948A publication Critical patent/JPS5658948A/en
Publication of JPS6013419B2 publication Critical patent/JPS6013419B2/en
Expired legal-status Critical Current

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  • Heat Treatment Of Steel (AREA)

Abstract

PURPOSE: To obtain the titled structural steel by extremely lowering the contents of S and O especially among predetermined steel components and combinedly adding extremely small quantities of REM and Ca.
CONSTITUTION: This structural steel consists of 0.02W0.20% C, 0.01W1.0% Si, 0.3W2.0% Mn, ≤0.0020% S, ≤0.020% P, ≤0.0035% O, ≤0.15% sol. Al, 0.0010W0.0070% Ca, 0.0003W0.002% REM, and the balance Fe and inevitable impurities or further contains Ti, Nb, V, Cu, Ni, Cr, Mo, B, etc. as required. By this composition this structural steel used in a marine structure, etc. has enhanced Z-direction crack resistance such as lamellar tear or hydrogen induced crack resistance.
COPYRIGHT: (C)1981,JPO&Japio
JP54131767A 1979-10-15 1979-10-15 Structural steel with improved cracking resistance in the Z direction Expired JPS6013419B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54131767A JPS6013419B2 (en) 1979-10-15 1979-10-15 Structural steel with improved cracking resistance in the Z direction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54131767A JPS6013419B2 (en) 1979-10-15 1979-10-15 Structural steel with improved cracking resistance in the Z direction

Publications (2)

Publication Number Publication Date
JPS5658948A true JPS5658948A (en) 1981-05-22
JPS6013419B2 JPS6013419B2 (en) 1985-04-06

Family

ID=15065681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54131767A Expired JPS6013419B2 (en) 1979-10-15 1979-10-15 Structural steel with improved cracking resistance in the Z direction

Country Status (1)

Country Link
JP (1) JPS6013419B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60215744A (en) * 1984-04-10 1985-10-29 Nippon Steel Corp Hydrogen-resistant low alloy steel for high temperature and high pressure service
JPS61124555A (en) * 1984-11-20 1986-06-12 Nippon Steel Corp Steel superior in sour resistance
JPS6289809A (en) * 1985-04-25 1987-04-24 Kawasaki Steel Corp Manufacture of steel for pressure vessel having superior resistance to hydrogen induced cracking
CN102418037A (en) * 2011-12-02 2012-04-18 莱芜钢铁集团有限公司 Hot-rolled H-shaped steel with lamellar tear resistance and manufacturing method thereof
CN112921248A (en) * 2021-02-08 2021-06-08 新疆八一钢铁股份有限公司 Production method of high-toughness anti-layer-tearing Z-direction steel with thickness of 50mm

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5492511A (en) * 1977-12-29 1979-07-21 Kawasaki Steel Co Steel having good hydrogenninduced crack resistivity

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5492511A (en) * 1977-12-29 1979-07-21 Kawasaki Steel Co Steel having good hydrogenninduced crack resistivity

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60215744A (en) * 1984-04-10 1985-10-29 Nippon Steel Corp Hydrogen-resistant low alloy steel for high temperature and high pressure service
JPS61124555A (en) * 1984-11-20 1986-06-12 Nippon Steel Corp Steel superior in sour resistance
JPS6289809A (en) * 1985-04-25 1987-04-24 Kawasaki Steel Corp Manufacture of steel for pressure vessel having superior resistance to hydrogen induced cracking
CN102418037A (en) * 2011-12-02 2012-04-18 莱芜钢铁集团有限公司 Hot-rolled H-shaped steel with lamellar tear resistance and manufacturing method thereof
CN112921248A (en) * 2021-02-08 2021-06-08 新疆八一钢铁股份有限公司 Production method of high-toughness anti-layer-tearing Z-direction steel with thickness of 50mm

Also Published As

Publication number Publication date
JPS6013419B2 (en) 1985-04-06

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