Complaint
Xuanlin Mainly Supply Hydraulic Cylinder Tube,Honed Tube and Cold Finished Tube
OD | GB/T3639 | DIN2391 (EN10305) | Our Tolerance | Best Quality | |
31-40mm | ±0.15mm | ±0.15mm | ±0.05mm | ±0.03mm | |
41-50mm | ±0.20mm | ±0.20mm | ±0.05mm | ±0.03mm | |
51-60mm | ±0.25mm | ±0.25mm | ±0.08mm | ±0.03mm | |
61-70mm | ±0.30mm | ±0.30mm | ±0.10mm | ±0.05mm | |
71-160mm | ±0.30mm | ±0.30mm | ±0.10mm | ±0.05mm | |
160mm-230mm | ±0.50mm | ±0.50mm | ±0.40mm | ||
Tolerance in WT | ±0.12mm | ±0.10mm | ±0.05mm | ±0.03mm | |
PROCESS | |||||
Process | Diameter | Length | |||
Cold Rolled | 30-100mm | ≤10 m | |||
Cold Draw | 30-250mm | ≤10 m | |||
Honing | 40-500mm | ≤10 m | |||
Skived burnished | 40-400mm | ≤76m | |||
HONED OR SRB TUBE TOLERANCE | |||||
Inner Diameter | H8 | H9 | H10 | ||
30mm | ±0.033 | ±0.052 | ±0.084 | 5-30mm | |
30-50mm | ±0.039 | ±0.062 | ±0.100 | ±0.080 | |
50-80mm | ±0.046 | ±0.074 | ±0.120 | ||
80-120mm | ±0.054 | ±0.087 | ±0.140 | ||
120-180mm | ±0.063 | ±0.100 | ±0.160 | ||
180-250mm | ±0.072 | ±0.115 | ±0.185 | ||
250-315mm | ±0.081 | ±0.130 | ±0.210 | ||
Hydraulic Cylinder Honing Tube | |||||
Inside Dia (mm) | ID Tolerance (mm) | WT Tolerance (mm) | |||
H7 | H8 | H9 | H10 | ||
≤30 | +0.021/0 | +0.033/0 | +0.052/0 | +0.084/0 | >210mm ±10% |
30 - ≤50 | +0.025/0 | +0.039/0 | +0.062/0 | +0.100/0 | |
50 - ≤80 | +0.030/0 | +0.046/0 | +0.074/0 | +0.120/0 | |
80 - ≤120 | +0.035/0 | +0.054/0 | +0.087/0 | +0.140/0 | |
120 - ≤180 | +0.040/0 | +0.063/0 | +0.100/0 | +0.160/0 | |
180 - ≤250 | +0.046/0 | +0.072/0 | +0.115/0 | +0.185/0 | |
250 - ≤315 | +0.052/0 | +0.081/0 | +0.130/0 | +0.210/0 | |
315 - ≤700 | +0.057/0 | +0.089/0 | +0.140/0 | +0.230/0 | |
Steel Grade | Chemical Composition % | |||||
C | Si | Mn | P | S | Al | |
≤ | ≥ | |||||
20# | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | / |
45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | / |
Q345B | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.03 | 0.03 | / |
Q345D | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.03 | 0.03 | 0.015 |
25Mn | 0.22-0.29 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 | / |
27SiMn | 0.24-0.32 | 1.10-1.40 | 1.10-1.40 | 0.035 | 0.035 | / |
ST52 | ≤0.22 | ≤0.55 | ≤1.6 | 0.025 | 0.025 | / |
SAE1026 | 0.22-0.28 | 0.15-0.35 | 0.60-0.90 | 0.04 | 0.05 | / |
Delivery Condition | Cold Finished (hard) (BK) | Cold Drawn and Stress-relieved (BK+S) | |||
Steel Grade | Tensile Strength (Mpa) | Elongation (%) | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) |
20# | ≥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 |
ST52 | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 |
SAE1026 | ≥640 | ≥5 | ≥600 | ≥510 | ≥15 |
Shandong Xuanlin Metal Materials Co., Ltd., was founded in 2008, covers an area of 10, 000 square metres. We are a professional manufacturing and trading company of metal building materials. We currently sell domestically and export worldwide to places such as Africa, North America and the Middle East. Our main products are aluminum foil, electrical cable, copper tube, boiler tube, casing pipe, honed tube, steel wires, PPGI/gi coil, galvanized pipe, steel structures. We have more than 30 production lines which can produce customize according to your requirements.
We ensure product quality through systematic testing with technically advanced equipment. Our company has a rang of well established long-term relationships with many domestic steel companies including Bao Steel Group, Hengyang Group, Yieh Phui(China) and Ma Steel Trading. Our advantage is that we are close to national highways and high speeds, 100 kilometers from Jinan Airport and 350 kilometers Tianjin Port...The benefits of light weight, low cost, high corrosion resistance and easy installation with short construction periods have LED to steel structures becoming more widly used in modern building construction with varied applications such as factory workshops, supermarkets, cold storage rooms, plazas, villas and more.
We look forward to building successful business relationships with customers around the world.
Q. Are you a factory or a pure trading company?
A: We are a factory.
