Shenzhen Dallast Technology Co., Ltd.
China's most high-quality hydraulic cylinder supplier
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Specifications:
ASTM A106 Round Seamless Hydraulic Cylinder Pipe , Precision Annealed Steel Tubes
Quick Detail:
Standards: ASTM A106 Grade B
Material Grade: A519 SAE1026 / A519 SAE1518 / 16Mn / 25Mn / 20# / 45# / 27SiMn / ST45 / ST52 / E355
Size(mm):
ID : 45mm – 500mm
WT: 3mm – 50mm
Description:
Standards: ASTM A106 Grade B (20#)
(GB/T8713 GB/T3639 DIN2391 EN10305 ASTM A519)
Grade: ASTM A106 Grade B (20#)
Inside Dimensions: 45mm ~ 500mm
Wall Thickness: 3mm ~ 50mm
Length: max 24000mm
Application: Hydraulic Cylinder
Packing: Beveled/black painting/ plastic caps/ in bundles/ steel strips/ wooden protection
Inspection and Test: Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,Elongation, Flaring, Flattening, Bending, Hardness, Impact Test),Surface and Dimension Test,Nodestructive Test, Hydrostatic Test.
Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.
Mark: As per customers' requested.
Delivery Condition: Annealed, Normalized, Normalized and Tempered.
Processing Range And Precision:
| Cold Drawn Tubes: ID:45mm-630mm Length:14,000mm Straightness:0.3-1.0 Precision:H8-H10 Roughness:Ra0.8-Ra1.6 | Honing Tubes: ID:25mm-500mm Length:10,000mm Straightness:0.3 Precision:H7-H8 Roughness:Ra0.2-Ra0.8 |
ID Tolerance of Precision Honed Tubes:
| SIZE of I.D | I.D.Tolerance | Tolerance of wall thickness | ||
| H8 | H9 | H10 | ||
| 30 | +0.0330 | +0.0520 | +0.0840 | <120mm(O.D) ±5% ≥120mm(D.D) to 210mm ±7.5% >210mm ±10% |
| >30-50 | +0.0390 | +0.0620 | +0.1000 | |
| >50-80 | +0.0460 | +0.0740 | +0.1200 | |
| >80-120 | +0.0540 | +0.0870 | +0.1400 | |
| >120-180 | +0.0630 | +0.1000 | +0.1600 | |
| >180-250 | +0.0720 | +0.1150 | +0.185 | |
| >250-315 | +0.0810 | +0.1300 | +0.2100 | |
| >315-400 | +0.0890 | +0.1400 | +0.2300 | |
Mechanical Propety:
Material: 20# 45#,16Mn St45, St52, 25Mn,27SiMn, SAE1026.SAE1518 etc.
STANDARD: GB/T8713 GB/T3639 DIN2391 EN10305 ASTM A519
| Delivery condition | cold finished(hard)(BK) | cold drawn and stress relieved(BK+S) | |||
| STEEL GRADE | Rm MPa | Elongation (%) | Rm MPa | ReH MPa | Elongation (%) |
| ASTM A106 Gr.B | ≥550 | ≥ 8 | ≥ 520 | ≥ 375 | ≥ 15 |
| 45# | ≥ 640 | ≥ 5 | ≥ 600 | ≥ 520 | ≥ 10 |
| 16Mn | ≥ 640 | ≥ 5 | ≥ 600 | ≥ 520 | ≥ 14 |
| 25Mn | ≥ 640 | ≥ 5 | ≥ 600 | ≥ 510 | ≥ 15 |
| 27SIMn | ≥ 800 | ≥ 5 | ≥ 760 | ≥ 610 | ≥ 10 |
| ST45 | ≥ 550 | ≥ 5 | ≥ 520 | ≥ 375 | ≥ 15 |
| E355(ST52) | ≥ 640 | ≥ 5 | ≥ 600 | ≥ 520 | ≥ 14 |
| SAE1026 | ≥ 640 | ≥ 5 | ≥ 600 | ≥ 510 | ≥ 15 |
FAQ :
Q1: Are you a trading company or manufacturer?
A1: We are the manufacturer with Exporting License.
Q2: How long have you been in Hydraulic Cylinder industry?
A2: Our factory is built in year 2002 .
Q3: How long is your warranty period?
A3: We offer 12 months warranty period after on board.
Q4: How long does it take to process orders?
A4: It usually takes 15-25 days to process. We don’t have stock.
Q5: What’s your cylinder PPM?
A5: 5000 PPM. We do 100% inspection before delivery.
Q6: Have you been exported to overseas?
A6: We have been exporting to USA, Canada, Germany, Italy, France, Russia, etc.
Q7: Do your products support trade assurance?
A7:Yes, our products are all supported.
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