hydraulic steel tubes from top manufacturer
USD $600 - $1,000 /Metric Ton
Min.Order:5 Metric Tons
Yantai Xinpeng Steel Pipe Co., Ltd.
1.Product Parameter
(1)Mechanical Property
Delivery Condition | Cold drawn+stress-relieved(BK+S)(SR) | Cold finished(hard)(BK) | |||
Steel Grade | Tensile strength (Rm Mpa)
| Yield strength (ReH Mpa)
| Elongation A5% | Tensile strength (Rm Mpa)
| Elogation A5%
|
20# | ≥520 | ≥375 | ≥15 | ≥550 | ≥8 |
45# | ≥600 | ≥520 | ≥10 | ≥640 | ≥5 |
16Mn(Q345B Q345D) | ≥600 | ≥520 | ≥14 | ≥640 | ≥5 |
25Mn | ≥600 | ≥510 | ≥15 | ≥640 | ≥5 |
27SiMn | ≥760 | ≥610 | ≥10 | ≥800 | ≥5 |
St45 | ≥520 | ≥375 | ≥15 | ≥550 | ≥5 |
E355(St52) | ≥600 | ≥520 | ≥14 | ≥640 | ≥5 |
SAE1026 | ≥600 | ≥510 | ≥15 | ≥640 | ≥5 |
(2)Dimensions Tolerance
OD(mm) | ID(mm) | Tolerance | ||||
OD(mm) | ID(mm) | Wall thickness deviation(mm) | Ovality(mm) | Curvature(mm/m) | ||
40-74 | 30-65 | ±0.01 | -0.3,-0.5 | ≤0.5 | ≤0.1 | 0.3 |
74-98 | 65-85 | ±0.01 | -0.4,-0.6 | ≤0.5 | ≤0.15 | 0.3 |
100-116 | 85-100 | ±0.02 | -0.4,-0.6 | ≤0.6 | ≤0.15 | 0.3 |
124-134 | 110-115 | ±0.02 | -0.6,-0.8 | ≤0.6 | ≤0.20 | 0.3 |
140-158 | 120-135 | ±0.02 | -0.7,-0.9 | ≤0.8 | ≤0.20 | 0.3 |
165-176 | 140-150 | ±0.02 | -0.7,-0.9 | ≤0.8 | ≤0.20 | 0.3 |
188-203 | 160-180 | ±0.02 | -0.7,-0.9 (honed) | ≤0.8 | ≤0.20 | 0.3 |
2.Product Process
3.Main Products
(1)Precision cold drawn/rolled tube
Cold finished tubes are the main products of our company. They can be widely used in hydraulic cylinder for heavy machine, excavator, forklifts and the Petrol industry.
Processing range: 30-300mm
Biggest length: 11m
(2)SRB&Honed Tube
ID Tolerance: H8 H9
ID Roughness: RA0.4micron(max)
Straightness: 1:1000 or customized
Length: Max 6m
4.Certification
Our company has passed verified ISO 9001:2008, every pipe is follow high quality instruction and inspected strictly to satisfy the client's requirement.
Contact us without hesitation if you are interested!