ASTM A270 OD0.4mm Small Diameter Stainless Steel Tubing
Medical And Small Diameter Tubing
| Standard | ASTM A270, ASTM A554, A249, A269, A312 |
| Matrial | 201 ( Ni 1.2%), 202 (Ni 3.5%~4.5%), 301(Ni 5%), 304 (Ni 8%, Cr 18%),316 (Ni 10%, Cr 18%), 316L (Ni10%~14%), 430 |
| Size | OD: 0.4mm--8.0mm WT: 0.05mm - 0.9mm Length: According to Customer's Requirement |
| Common size | 0.4*0.11, 0.5*0.1, 0.5*0.15, 0.6*0.1, 0.6*0.125, 0.63*0.15, 0.7*0.1, 0.7*0.15, 0.8*0.1, 0 .8*0.125, 0.8*0.15, 0.9*0.1, 0.9*0.15 etc |
| Surface Finish | 180G, 320G, 400G Satin / Hairline 400G, 500G, 600G or 800G Mirror finish |
| Test and Inspection | Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT |
| Application | Decoration construction, upholstery, industry instrument |
Table 1 Tolerance of OD
| Classification | D | Permissible Tolerance | |
| A | B | ||
| H | All Dimensions | ±0.5% or ±0.20 | ±0.75% or ±0.30 |
| T | <40 | ±0.20 | ±0.30 |
| ≥40~<65 | ±0.30 | ±0.40 | |
| ≥65~<90 | ±0.40 | ±0.50 | |
| ≥90~<168.3 | ±0.80 | ±1.00 | |
| ≥168.3~<325 | ±0.75%D | ±1%D | |
| ≥325~<610 | ±0.6%D | ±1%D | |
| ≥610 | ±0.6%D | ±0.7%D or ±10 | |
| WC SP | <40 | ±0.15 | ±0.20 |
| ≥40~<60 | ±0.20 | ±0.30 | |
| ≥60~<100 | ±0.30 | ±0.40 | |
| ≥100~<200 | ±0.4%D | ±0.5%D | |
| ≥200 | ±0.5%D | ±0.75%D | |
Table 2 Tolerance of WT
| Nominal WT | Permissible Tolerance |
| ≤0.5 | ±0..10 |
| >0.5~1.0 | ±0.15 |
| >1.0~2.0 | ±0.20 |
| >2.0~<4.0 | ±0.30 |
| ≥4.0 | ±10%S |
Applications
1: Medical equipment industry, injection needle tube, puncture needle tube, medical industrial tube.
2: Industrial electric heating tube, industrial oil tube.
3: Temperature sensor tube, sensor tube, barbecue tube, thermometer tube, thermometer tube, instrument tube, thermometer stainless steel tube.
4: Pen making pen, core tube, pen tube.
5: All kinds of electronic micro-tubes, optical fiber accessories, light mixer, small diameter stainless steel capillary.
6: Clock and watch industry, mother-to-child, raw ear pole, watch strap accessories, jewelry punch needle.
7: All kinds of antenna tube, automobile tail antenna tube, tie rod antenna tube, stretch pointer, mobile phone stretch antenna tube, micro-antenna tube, portable computer antenna Stainless steel antenna.
8: Stainless steel pipes for laser engraving equipment.
9: Pipes for fishing utensils, pipes for dropping fishing rods.
10: Pipes for various dietary industries, pipes for transporting materials.
Product Pictures
Company Introduction
QUALITY CONTROL
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.