Precision Steel Tube for Gas Springs
Price:
888 usd per ton
MOQ:
1 TONS
Delivery Time:
20-45 DAYS
Brand:
TORICH
Product Description
Precision Steel Tube for Gas Springs
TORICH is a professional steel tubes supplier from China with over 23 years manufacturing and exporting experience.
Our main products are seamless precision pipe,carbon steel seamless precision pipe,alloy steel seamless precision pipe, stainless steel seamless precision pipe.The material we usually use for producing Precision Steel Tube for Gas Springs is10#,20#,1010,1020,1026,ST37,ST44,E235,E215,E355
Steel Grade/Steel Material:
E155 E195 E235 E275 E355
Size Range:
O.D.:6-350mm
W.T.:1-35mm
L:max12000mm
Characteristic:
Good concentricity
Good OD and ID tolerance
High precision
Stable quality
Smooth roughness
DOM Steel Tube Production Process:
Raw material → Incoming inspection → Cutting → Heating → Piercing → Hammering →Pickling → Cold-drawing → Heat treatment → Physical chemistry test → Straightening → Ends cutting → Final inspection → Bundling →Storage
| Chemical Composition& Mechanical Properties | |||||||
| Grade | C | Mn | P≤ | S≤ | Si | Cr | Mo |
| 1008 | ≤0.10 | 0.30-0.50 | 0.040 | 0.050 | - | - | - |
| 1010 | 0.08-0.13 | 0.30-0.60 | 0.040 | 0.050 | - | - | - |
| 1018 | 0.15-0.20 | 0.60-0.90 | 0.040 | 0.050 | - | - | - |
| 1020 | 0.18-0.23 | 0.30-0.60 | 0.040 | 0.050 | - | - | - |
| 1025 | 0.22-0.28 | 0.30-0.60 | 0.040 | 0.050 | - | - | - |
| 1035 | 0.32-0.38 | 0.60-0.90 | 0.040 | 0.050 | - | - | - |
| 1045 | 0.43-0.50 | 0.60-0.90 | 0.40 | 0.50 | - | - | - |
| 4130 | 0.28-0.33 | 0.40-0.60 | 0.040 | 0.040 | 0.15-0.35 | 0.8-1.10 | 0.15-0.25 |
| 4140 | 0.38-0.43 | 0.75-1.00 | 0.040 | 0.040 | 0.15-0.35 | 0.8-1.10 | 0.15-0.25 |
| GB/T | ASTM | JIS | DIN |
| 10 | 1010 | S10C | ST35,ST37,ST37.4,CK10 |
| 15 | 1015 | S15C | CK15 |
| 20 | 1020 | S20C | CK22 |
| 16Mn/Q345 | | | ST52,ST52.4,17Mn4 |
| 35 | 1035 | S35C | CK35 |
| 45 | 1045 | S45C | CK45 |
| 15Crmo | | SCM420 | 13CrMo44 |
| 20Crmo | | SCM420 | 25CrMo4 |
| 30Crmo | 4130 | SCM430 | |
| 35Crmo | 4130 | SCM435 | 34CrMo4 |
| 40Crmo | 4140 | SCM440 | 42CrMo4 |
| Mechanical Properties of ASTM A519: | ||||
| Grade | condition | MPa Tensile point | Yield point | Elongation |
| 1020 | CW | ≥414 | ≥483 | ≥5% |
| | SR | ≥345 | ≥448 | ≥10% |
| | A | ≥193 | ≥331 | ≥30% |
| | N | ≥379 | ≥379 | ≥22% |
| 1025 | CW | ≥448 | ≥517 | ≥5% |
| | SR | ≥379 | ≥483 | ≥8% |
| | A | ≥207 | ≥365 | ≥25% |
| | N | ≥248 | ≥379 | ≥22% |
| 4130 | SR | ≥586 | ≥724 | ≥10% |
| | A | ≥379 | ≥517 | ≥30% |
| | N | ≥414 | ≥621 | ≥20% |
| 4140 | SR | ≥689 | ≥855 | ≥10% |
| | A | ≥414 | ≥552 | ≥25% |
| | N | ≥621 | ≥855 | ≥20% |
Please note the meaning of below abbreviation :
HR----Hot Rolled
CW----Cold Worked
SR----Stress Relieved
A----Annealed
N----Normalized
Delivery Condition:
1. BK (+C) No heat treatment after last cold forming process.
2. BKW (+LC) After last heat treatment there is a light finishing pass (cold drawing)
3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed.
4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere.
5. NBK (+N) After the final cold forming process the tubes are annealed above the upper transformation point in acontrolled atmosphere.
1. BK (+C) No heat treatment after last cold forming process.
2. BKW (+LC) After last heat treatment there is a light finishing pass (cold drawing)
3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed.
4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere.
5. NBK (+N) After the final cold forming process the tubes are annealed above the upper transformation point in acontrolled atmosphere.
FAQ
Q: Are you trading company or manufacturer ?
A: We are professional steel tube manufacture since 1997
Q: What certificates do you have ?
A: IATF16949,ISO9001,SGS
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but you need pay the cost of freight.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
TORICH INTERNATIONAL LIMITED
Location
Suite 1604-3, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
Contact Person
Richard SHEN