1Cr18Ni9Ti

Description

不锈钢1Cr18Ni9Ti就是普通的不锈钢(SUS321),其组织类别为奥氏体型。1Cr18Ni9Ti中1、18、9分别代表碳(‰)、铬(%)、镍(%)的含量。是中国的不锈钢材料牌号。

Stainless steel 1Cr18Ni9Ti is an ordinary stainless steel (SUS321), and its tissue type is austenitic. 1, 18 and 9 in 1Cr18Ni9Ti represent the contents of carbon (‰), chromium (%) and nickel (%). It is a brand of stainless steel in China.

Worldwide equivalents of grade: 1Cr18Ni9Ti

country / regionChinaGermanyJapanFranceEnglandUSAISO
StandardGBDIN,WNrJISAFNORBS
Grade1Cr18Ni9TiX6CrNiTi18 -10SUS 321Z10CNT18-11321S20AISI321X7CrNiTi18-10
 
Chemical Composition of 1Cr18Ni9Ti Steel Material
 CSiMnSPCrNiTi
%0.12MAX1.00MAX2.00MAX0.030 MAX0.035 MAX17.00-19.008.00-11.005*(C%-0.02)~0.80%

Mechanical properties of 1Cr18Ni9Ti

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated ConditionBrinell hardness (HBW)
496 (≥)144 (≥)134143Solution and Aging, Annealing, Ausaging, Q+T,etc112

Mechanical properties of 1Cr18Ni9Ti:

Tensile strength σ b(MN/m2) ≥550

Yield strength σ s(MN/m2) ≥200

Elongation δ 5(%)〉=40

Heat treatment:

  1. 固溶920~1150℃快冷

2)根据需方要求可进行稳定化处理, 热处理温度为850~930℃

1) Solid solution, 920 ~ 1150 ℃ quick cooling

2) Stabilization treatment can be carried out according to the requirements of the demander, and the heat treatment temperature is 850 ~ 930 ℃

1Cr18Ni9Ti Steel Application

1Cr18Ni9Ti应用于抗晶界腐蚀性要求高的化学、煤炭、石油产业的野外露天机器,建材耐热零件及热处理有困难的零件,如:石油废气燃烧管道、发动机排气管、锅炉外壳、热交换器、加热炉部件、柴油机用消音部件、锅炉压力容器、化学品运输车、伸缩接头、燃炉管道及烘干机用螺旋焊管

1Cr18Ni9Ti is applied to outdoor machines in chemical, coal and petroleum industries with high grain boundary corrosion resistance, heat-resistant parts of building materials and parts with difficulty in heat treatment, such as oil waste gas combustion pipeline, engine exhaust pipe, boiler shell, heat exchanger, heating furnace parts, silencing parts for diesel engine, boiler pressure vessel, chemical transport vehicle, expansion joint Spiral welded pipe for gas furnace pipe and dryer

1Cr18Ni9Ti products
Product typeProductsDimensionProcessesDeliver Status
Plates / SheetsPlates / Sheets0.08-200mm(T)*W*LForging, hot rolling and cold rollingAnnealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel BarRound Bar, Flat Bar, Square BarΦ8-1200mm*LForging, hot rolling and cold rolling, CastBlack, Rough Turning, Shot Blasting,
Coil / StripSteel Coil /Steel Strip0.03-16.0x1200mmCold-Rolled & Hot-RolledAnnealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / TubesSeamless Pipes/Tubes, Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion, Cold Drawn, WeldedAnnealed, Solution and Aging, Q+T, ACID-WASHED

Description

Equivalent Grade

Chemical Composition

Mechanical Properties

Physical Properties

Heat Treatment Specification

Shapes and dimensions

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Applications