DIN 2391 St37 TOP Quality of Stress Relieved Hydaulic Cylinder Steel Tube

Product Item

 DIN 2391 st37 TOP quality of stress relieved hydaulic cylinder steel tube

Outer Diameter

30mm~250mm

Wall Thickness

2mm~30mm

Material Grade

10#-45#, 16Mn, Q195-Q345, ST35-ST52,

 STB35STB42, 20#, 45#, 16Mn, 

Q345, ST35, St45, St52, St52.4, 

STB42, 16Mn,St52,10#-45#,ST35-ST52

Standard

ASTM, DIN, ASTM A1020-2002, DIN 2391

Application

Hydraulic Pipe, Hydraulic cylinder, 

automobile, oil drilling, textile machinery

Certificate

ISO9001:2008 

Process Method

Cold Drawn/ Cold Rolled

Surface Finish

Annealed, Pickled

Package

According to the customer’s requirement 

Delivery Time

10days more or according to the customer’s requirement 

Price Item

FOB CIF EXW

Payment

T/T(30% in advance, 70% against the BL Copy)

 and L/C at sight or as negotiation

ID tolerance

H8,H9b H10 or as customized 

Surface roughness

Ra0.2~0.8µm

Finally supply condition

BK BKS BKW NBK GBK

40*50

90*110

140*170

190*215

40*55

95*110

145*170

190*220

50*60

95*115

150*170

190*225

50*65

100*110

150*175

200*220

55*70

100*114

150*180

200*225

60*70

100*115

155*180

200*230

60*75

100*120

160*175

200*245

60*78

100*125

160*180

200*250

63*73

105*125

160*185

220*250

63*75

110*125

160*190

220*270

63*76

110*130

160*195

225*250

63*78

115*130

165*190

240*273

65*80

115*135

165*205

250*290

70*80

120*140

170*200

250*300

70*82

125*140

180*200

 according to customer's need

70*85

125*145

180*205

70*90

125*150

180*210

75*90

130*150

180*215

80*92

130*155

180*220

80*95

130*160

185*205

80*100

135*160

185*215

85*100

140*160

185*220

90*105

140*165

190*210

ID size

ID deviation (mm)

H7

H8

H9

30

+0.021

0

+0.033

0

+0.052

0

>30~50

+0.025

0

+0.039

0

+0.062

0

>50~80

+0.030

0

+0.046

0

+0.074

0

>80~120

+0.035

0

+0.054

0

+0.087

0

>120~180

+0.040

0

+0.063

0

+0.100

0

>180~250

+0.046

0

+0.072

0

+0.115

0

>250~315

+0.052

0

+0.081

0

+0.130

0

>315~400

+0.0527

0

+0.089

0

+0.140

0