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DIN2391 St52.3 Honed Tube and Skived Tube for Hydraulic Cylinder

DIN2391 St52.3 Honed Tube and Skived Tube for Hydraulic Cylinder

Product DescriptionHydraulic Cylinder Honed TubeStandard: ASTM A519, DIN2391, EN10204-1Grade: 1020, C45, ST52, ST52.3, 2
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Description

Basic Info
Type Seamless
Technique Cold Drawn
Material Carbon Steel
Surface Treatment Oiled
Usage Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Mining, Construction & Decoration
Section Shape Round
Transport Package in Container
Specification 30*3-426*70MM
Trademark XL
Origin China
HS Code 7304291000
Production Capacity 400000tons Per Year
Product Description
Hydraulic Cylinder Honed TubeStandard: ASTM A519, DIN2391, EN10204-1Grade: 1020, C45, ST52, ST52.3, 27SiMn, 25MnTechnology: Cold Drawn, Cold roll, Honed, Skived, BurnishedApplication: construction machinery, metallurgical machinery, plastic machinery, mining machinery, road construction machinery, hydraulic and pneumatic cylinders

Size
Manufacturing ProcessTube IDLengthStraightness Dimensional AccuracyTolerance on IDInner Bore Roughness
honingΦ40-800mm≤13m0.2-0.3mmH8~H9±8%<=0.8 um

Chemical Composition
gradeCSiMnPSCrNiCuVAl
10200.17-0.230.17-0.370.35-0.65<=0.035<=0.035<=0.25<=0.30<=0.25--
C450.42-0.500.17-0.370.50-0.80<=0.035<=0.035<=0.25<=0.30<=0.25--
16Mn0.13-0.190.20-0.601.20-1.60<=0.030<=0.030<=0.030<=0.30<=0.25--
27SiMn0.24-0.321.10-1.401.10-1.40<=0.035<=0.035<=0.30<=0.30<=0.20--
ST52<=0.20<=0.50<=1.70<=0.035<=0.035<=0.30<=0.50<=0.30<=0.15-
ST52.3<=0.18<=0.50<=1.70<=0.030<=0.25<=0.30<=0.50<=0.30<=0.15≥0.015

Mechanical Property
GradeCold finished (hard) (BK)Cold finished (hard) (BK+S)HardnessImpact Value (-20°C) J
T.S bN/mm2Elongation 85%T.S bN/mm2Y.S SN/mm2Elongation 85%
1020≥550≥8≥520≥400≥15170--
C45≥680≥5≥630≥520≥12190--
16Mn≥640≥5≥600≥520≥14160--
27SiMn≥780≥5≥700≥580≥10220--
ST52≥660≥8≥620≥520≥15190--
ST52.3≥660≥8≥620≥520≥15190≥27

Size Tolerance(mm)

ID size
ID Tolerance
WT Tolerance
H7H8H9H10H11
30+0.0210+0.0330+0.0520+0.0840+0.1300


±5%
>30-50+0.0250+0.0390+0.0620+0.1000+0.1600
>50-80+0.0300+0.0460+0.0740+0.1200+0.1900
>80-120+0.0350+0.0540+0.0870+0.1400+0.2200
>120-180+0.0400+0.0630+0.1000+0.1600+0.2500
>180-250+0.0460+0.072+0.1150+0.1850+0.2900
>250-315+0.0520+0.0810+0.1300+0.2100+0.3200
>315-800+0.0570+0.0890+0.1400+0.2300+0.3600
ODToleranceODTolerance
≤Φ40±0.15Φ160~200±0.80
Φ40~60±0.25Φ200~240±1.00
Φ60~80±0.30Φ240~340±1.50
Φ80~100±0.40Φ340~440±2.00
Φ100~160±0.50Φ440~520±2.50


DIN2391 St52.3 Honed Tube and Skived Tube for Hydraulic Cylinder

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