Audited Supplier
Name : honed tubes, honing pipe, hydraulic cylinder tubes, pneumatic cylinder tubes, honed pipe, honing tube, seamless honed steel tube, precision tubes, cold drawn honed tubes, skived tubes, skived and roller burnished tubes, skived pipes, SRB tube, SRB pipe, hydraulic SRB tube, hydraulic cylinder skived tubes. We also produce chrome plated piston rod, chrome bar, chrome shaft, chrome plated tube, hollow piston rod
Keywords: hydraulic cylinder barrel,honed tube,honed pipe,honed tube suppliers,honed tubing,hydraulic honed tube,honed id tubing,honed cylinder tube,honed tube manufacturer,honed tube for hydraulic cylinder,honed steel tube,hydraulic cylinder pipe,hydraulic cylinder tube,hydraulic cylinder tube material,hydraulic cylinder honed tube suppliers,honed tube manufacturers,china honed tube,honed cylinder tube suppliers,hydraulic honed tube suppliers,honed aluminum cylinder tubing,honed aluminum tubing,micro honed tubing,hydraulic cylinder tube suppliers,cylinder tube,hydraulic steel tube,hydraulic tube sizes,cylinder tube,steel hydraulic tube,seamless hydraulic tube,hydraulic tube suppliers,hydraulic seamless tube,hydrraulic seamless pipe,pneumatic cylinder tube
Popular standard and steel grade:
EN10305-1 | E355 E235 E410 E470 C45E |
DIN2391-1 | ST52 ST45 ST52.3 |
ASTM A519 | SAE1020 SAE1045 SAE1026 |
GB/T | 20# 45# 16Mn Q345B Q345D Q345E 42CrMo 27SiMn |
Application: hydraulic cylinder, pneumatic cylinder,Jack, cylinder barrel
Manufacture Method: cold drawn, cold rolled, Hot rolled+Deep Hole Boring
Heat Treating Method/Delivery Condition:
BK | BKS | GBK | NBK | Q+T |
+C | +SR | +A | +N | Q+T |
Cold drawn | Stress relieved | Annealed | Normalized | QUENCHED + TEMPERED |
Hydraulic & pneumatic tube size and parameters:
Manufacture method | Cylinder ID (mm) | Length (m) | Straightness (mm/m) | Tolerance on ID | Tolerance on WT | Roughness (μm) |
Cold drawn | 40-420 | ≤16M | 0.2-0.5 | Depends on requirement | ±8% | 0.8-1.6 |
Cold rolled | 30-100 | ≥14M | 0.2-0.5 | Depends on requirement | ±5% | 0.8-1.2 |
cold drawn- honed | 40-420 | 14M | 0.2-0.3 | H8-H9 | ±8% | 0.2-0.8 |
Cold drawn-skived & burnished | 40-300 | 9M | 0.2-0.3 | H8-H9 | ±8% | ≤0.4 |
Deep hole boring- honed | 50-1000 | 12M | 0.2-0.3 | H8-H9 | ±8% | ≤0.8 |
Deep hole boring- skived | 50-300 | 9M | 0.2-0.3 | H8-H9 | ±8% | ≤0.4 |
Mechanical property:
Final Supply Condition | Cold finished (Hard)(BK) | Cold drawn and stress-relieved (BK+S or + SR) | Hardness HB | |||
Parameters | T.S obN/mm2 | Elongation δ5% | T.S obN/mm2 | Y.S OsN/mm2 | Elongation δ5% | |
20# (A106B, ST45, E255) | >=550 | >=8 | >=520 | >=375 | >=12 | 175 |
45#(CK45) | >=650 | >=5 | >=600 | >=500 | >=10 | 190 |
Q345B(ST52, E355) | >=640 | >=5 | >=600 | >=520 | >=15 | 190 |
25Mn | >=640 | >=5 | >=600 | >=510 | >=15 | 195 |
27SiMn | >=840 | >=5 | >=720 | >=600 | >=10 | 210 |
Chemical Properties:
Material | C% | Mn% | Si% | S% | P% |
20# | 0.17-0.23 | 0.35-0.65 | 0.17-0.37 | ≤0.035 | ≤0.035 |
ST45 | ≤0.21 | ≥0.4 | ≤0.35 | ≤0.025 | ≤0.025 |
E255 | ≤0.21 | 0.4-1.1 | ≤0.35 | ≤0.025 | ≤0.025 |
45# | 0.42-0.50 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 |
Q345B | ≤0.20 | ≤1.70 | ≤0.50 | ≤0.035 | ≤0.035 |
E355 | ≤0.22 | ≤1.6 | ≤0.55 | ≤0.025 | ≤0.025 |
ST52 | ≤0.22 | ≤1.6 | ≤0.55 | ≤0.04 | ≤0.04 |
25Mn | 0.22-0.29 | 0.70-1.0 | 0.17-0.37 | ≤0.035 | ≤0.035 |
27SiMn | 0.24-0.32 | 1.10-1.40 | 1.10-1.40 | ≤0.035 | ≤0.035 |
Tolerance on ID:
ID | Tolerance for ID (μm) | |||
H7 | H8 | H9 | H10 | |
30 | +21 0 | +33 0 | +52 0 | +84 0 |
>30-50 | +25 0 | +39 0 | +62 0 | +100 0 |
>50-80 | +30 0 | +46 0 | +74 0 | +120 0 |
>80-120 | + 35 0 | + 54 0 | +87 0 | +140 0 |
>120-180 | +40 0 | +63 0 | +100 0 | +160 0 |
>180-250 | +46 0 | +72 0 | +115 0 | +185 0 |
>250-315 | +52 0 | +81 0 | +140 0 | +210 0 |
>315-400 | +57 0 | +89 0 | +170 0 | +230 0 |
Part of size list (ID*OD)
40*50 | 100*127 | 240*273 | ||
40*55 | 110*130 | 250*266 | ||
50*60 | 120*140 | 250*280 | ||
50*63 | 120*145 | 250*300 | ||
60*70 | 125*140 | 280*323 | ||
60*73 | 125*145 | 280*325 | ||
63*73 | 140*165 | 300*320 | ||
63*76 | 140*168 | 300*356 | ||
70*80 | 150*180 | 320*340 | ||
70*82 | 160*184 | 320*356 | ||
70*85 | 160*194 | 320*370 | ||
80*90 | 170*200 | 350*370 | ||
80*92 | 180*210 | 400*420 | ||
80*95 | 200*216 | |||
80*100 | 200*220 | |||
90*102 | 200*232 | |||
90*105 | 200*245 | |||
100*114 | 220*250 | |||
100*121 | 220*273 |
