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轻松了解钢板材质类型分类

所属分类:公司动态 发布时间:2021-05-26 来源:https://www.lcnaimoban.com/ 浏览量:

钢材的分类方法有很多种,比如按品种、按化学成分、按冶炼方式分,等等。
There are many kinds of steel classification methods, such as by type, by chemical composition, by smelting method, and so on.
在本文中,主要介绍如下几种方法:
In this paper, we mainly introduce the following methods
1、钢材按品质分类
1. Classification of steel products by quality
(1) 普通钢(P≤0.045%,S≤0.050%)
(1) Ordinary steel (P ≤ 0.045%, s ≤ 0.050%)
(2) 优钢材质钢(P、S均≤0.035%)
(2) High quality steel (P, s ≤ 0.035%)
(3) 高级优质钢(P≤0.035%,S≤0.030%)
(3) High quality steel (P ≤ 0.035%, s ≤ 0.030%)
2、按化学成份分类
2. Classified by chemical composition
(1) 碳素钢:钢材a.低碳钢(C≤0.25%);b.中碳钢(C=0.25%~0.60%);c.高碳钢(C≥0.60%)。
(1) Carbon steel: Steel A. low carbon steel (C ≤ 0.25%); b. Medium carbon steel (C = 0.25% ~ 0.60%); c. High carbon steel (C ≥ 0.60%).
(2) 合金钢:a.低合金钢(合金元素总含量≤5%);b.中合金钢(合金元素总含量>5~10%);c.高合金钢(合金元素总含量>10%)。
(2) Alloy steel: A. low alloy steel (total content of alloy elements ≤ 5%); b. Medium alloy steel (total content of alloy elements > 5 ~ 10%); c. High alloy steel (total alloy content > 10%).
3、按成形方法分类
3. Classification by forming method
(1) 锻钢;
(1) Forged steel;
(2) 铸钢;
(2) Cast steel;
(3) 热轧钢;
(3) Hot rolled steel;
(4) 冷拉钢。
(4) Cold drawn steel.
4、按金相组织分类
4. Classification by metallographic structure
(1) 退火状态的:a.亚共析钢(铁素体+珠光体);b.共析钢(珠光体);c.过共钢材析钢(珠光体+渗碳体);d.莱氏体钢(珠光体+渗碳体)。
(1) Annealed state: A. hypoeutectoid steel (ferrite + pearlite); b. Eutectoid steel (pearlite); c. Steel precipitation (pearlite + cementite) of Hypereutectic steel; d. Ledeburite steel (pearlite + cementite).
(2) 正火状态的:a.珠光体钢;b.贝氏体钢;c.马氏体钢;d.奥氏体钢。
(2) Normalized state: A. pearlite steel; b. Bainitic steel; c. Martensitic steel; d. Austenitic steel.
(3) 钢材无相变或部分发生相变的
(3) No phase transformation or partial phase transformation in steel
5、按用途分类
5. Classification by use
(1) 建筑及工程用钢:a.普通碳素结构钢;b.低合金结构钢;c.钢筋钢。
(1) Construction and engineering steel: A. ordinary carbon structural steel; b. Low alloy structural steel; c. Reinforced steel.
(2) 钢材结构钢:a.机械制造用钢:(a)调质结构钢;(b)表面硬化结构钢:包括渗碳钢、渗氨钢、表面淬火用钢;(c)易切结构钢;(d)冷塑性成形用钢:包括冷冲压用钢、冷镦用钢。
(2) Steel structural steel: A. mechanical manufacturing steel: (a) quenched and tempered structural steel( b) Surface hardening structural steel: including carburizing steel, ammoniating steel and surface hardening steel( c) Easy cutting structural steel( d) Cold plastic forming steel: including cold stamping steel, cold heading steel.
b.弹簧钢
b. Spring steel
c.轴承钢
c. Bearing steel
(3) 工具钢:a.碳素工具钢;b.合金工具钢;c.高速工具钢。
(3) Tool steel: A. carbon tool steel; b. Alloy tool steel; c. High speed tool steel.
(4) 特殊性能钢:a.不锈耐酸钢;b.耐热钢:包括抗氧化钢、热强钢、气阀钢;c.电热合金钢;d.耐磨钢;e.低温用钢;f.电工用钢。
(4) Special performance steel: A. stainless acid resistant steel; b. Heat resistant steel: including oxidation resistant steel, heat strength steel, valve steel; c. Electrothermal alloy steel; d. Wear resistant steel; e. Low temperature steel; f. Electrical steel.
(5) 专业用钢——如桥梁用钢、船舶用钢、锅炉用钢、压力容器用钢、农机用钢等。
(5) Professional steel - such as bridge steel, ship steel, boiler steel, pressure vessel steel, agricultural machinery steel, etc.
6、综合分类
6. Comprehensive classification
(1)普通钢
(1) Ordinary steel
a.碳素结构钢:(a) Q195;(b) Q215(A、B);(c) Q235(A、B、C);(d) Q255(A、B);(e) Q275。
a. Carbon structural steel: (a) Q195( b) Q215(A、B);( c) Q235(A、B、C);( d) Q255(A、B);( e) Q275。
b.低合金结构钢
b. Low alloy structural steel
c.特定用途的普通结构钢
c. General structural steel for specific purposes
(2)优质钢(包括高级优质钢)
(2) High quality steel (including high quality steel)
a.钢材结构钢:(a)优质碳素结构钢;(b)合金结构钢;(c)弹簧钢;(d)易切钢;(e)轴承钢;(f)特定用途优质结构钢。
a. Steel structural steel: (a) high quality carbon structural steel( b) Alloy structural steel( c) Spring steel( d) Easy cutting steel( e) Bearing steel( f) Special purpose high quality structural steel.
b.工具钢:(a)碳素工具钢;(b)合金工具钢;(c)高速工具钢。
b. Tool steel: (a) carbon tool steel( b) Alloy tool steel( c) High speed tool steel.
c.特殊性能钢:(a)不锈耐酸钢;(b)耐热钢;(c)电热合金钢;(d)电工用钢;(e)高锰耐磨钢。
c. Special performance steel: (a) stainless acid resistant steel( b) Heat resistant steel( c) Electrothermal alloy steel( d) Electrical steel( e) High manganese wear resistant steel.
7、按冶炼方法分类
7. Classification by smelting method
(1) 按炉种分
(1) By furnace type
a.平炉钢:(a)酸性平炉钢;(b)碱性平炉钢。
a. Open hearth steel: (a) acid open hearth steel( b) Basic open hearth steel.
b.转炉钢:(a)酸性转炉钢;(b)碱性转炉钢。或 (a)底吹转炉钢;(b)侧吹转炉钢;(c)顶吹转炉钢。
b. Converter steel: (a) acid converter steel( b) Basic converter steel. Or (a) bottom blown converter steel( b) Side blown converter steel( c) Top blown converter steel.
c. 电炉钢:(a)电弧炉钢;(b)电渣炉钢;(c)感应炉钢;(d)真空自耗炉钢;(e)电子束炉钢。
c. EAF steel: (a) EAF steel( b) ESR steel( c) Induction furnace steel( d) Vacuum consumable furnace steel( e) Electron beam furnace steel.
(2)钢材按脱氧程度和浇注制度分a.沸腾钢;b.半镇静钢;c.镇静钢;d.特殊镇静钢。
(2) According to deoxidation degree and pouring system, the steel is divided into a. rimmed steel; b. Semi killed steel; c. Killed steel; d. Special killed steel.
四种钢号
Four steel grades
I级 HPB235(Q235)钢筋,标准强度 235N/mm2
Grade I hpb235 (Q235) steel bar, standard strength 235n / mm2
Ⅱ级 HRB335(20MnSi) ,标准强度335N/mm2
Grade II HRB335 (20MnSi), standard strength 335n / mm2
Ⅲ级 HRB400(20MNSiV),标准强度 400N/mm2
Grade III HRB400 (20MnSiV), standard strength 400N / mm2
NM450耐磨板
Ⅳ级 RRB400(20MnSi),标准强度 400N/mm2
Grade IV rrb400 (20MnSi), standard strength 400N / mm2
综合钢材材质分类:
Comprehensive steel material classification:
(1)普通钢
(1) Ordinary steel
a.碳素结构钢:
a. Carbon structural steel:
(a) Q195;(b) Q215(A、B);(c) Q235(A、B、C);(d) Q255(A、B);(e) Q275。
(a) Q195;( b) Q215(A、B);( c) Q235(A、B、C);( d) Q255(A、B);( e) Q275。
b.低合金结构钢
b. Low alloy structural steel
c.特定用途的普通结构钢
c. General structural steel for specific purposes
(2)优质钢(包括高级优质钢)
(2) High quality steel (including high quality steel)
a.结构钢:(a)优质碳素结构钢;(b)合金结构钢;(c)弹簧钢;(d)易切钢;(e)轴承钢;(f)特定用途优质结构钢。
a. Structural steel: (a) high quality carbon structural steel( b) Alloy structural steel( c) Spring steel( d) Easy cutting steel( e) Bearing steel( f) Special purpose high quality structural steel.
b.工具钢:(a)碳素工具钢;(b)合金工具钢;(c)高速工具钢.
b. Tool steel: (a) carbon tool steel( b) Alloy tool steel( c) High speed tool steel
c.特殊性能钢:(a)不锈耐酸钢;(b)耐热钢;(c)电热合金钢;(d)电工用钢;(e)高锰耐磨钢。
c. Special performance steel: (a) stainless acid resistant steel( b) Heat resistant steel( c) Electrothermal alloy steel( d) Electrical steel( e) High manganese wear resistant steel.
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