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Help CenterEN10204 3.1 4130 Alloy Steel Tube , Cold Rolled Steel Tube T91 8~114.3 Mm
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Certification:PED, ISO9001:2008, KR, DNV, LR
Seamless Cold Rolling ASTM/ASME A/SA 213 Alloy Steel Tubes T91 For Heat Exchangers
Specifications:
1. Main Standard
ASTM/ASME A/SA 213
2. Material Grade:
| Grade and Chemical Composition (％) | |||||||
| Grade | C | Mn | P≤ | S≤ | Si | Cr | Mo |
| T5 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 0.50-1.00 | 1.00-1.50 |
| T11 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 0.50-1.00 | 1.00-1.50 |
| T12 | 0.05-0.15 | 0.30-0.61 | 0.025 | 0.025 | ≤0.50 | 0.80-1.25 | 0.44-0.65 |
| T22 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 1.90-2.60 | 0.87-1.13 |
| Mechanical Properties(MPa): | |||||
| Grade | Tensile Point | Yield Point | Elongation | ||
| T5 | ≥415 | ≥205 | ≥30% | ||
| T11 | ≥415 | ≥205 | ≥30% | ||
| T12 | ≥415 | ≥220 | ≥30% | ||
| T22 | ≥415 | ≥205 | ≥31% | ||
1. Type
Cold Rolling
2. Technology
Cold Rolling
3. Size
8~114.3 mm
4. Delivery Condition
Bright Annealed
5. Surface Treatment
Cold Rolling
Applications:
| Petrochemical Industry | Screw drill, Drilling steel, Marine drilling platform, Production platform, etc. |
| Power Industry | Hydropower plant, Thermal power plant, nuclear power plant, etc. |
| Machinery Manufacturing | Automobile manufacturing, shipbuilding, Aerospace manufacturing, Fasteners, Bolts, Nuts, Automobile parts |
| Automobile manufacturing | Axles, Instruments, Electronic parts and components, , Sensors, Turbocharger system, exhaust system, Fasteners, Bolts, Nuts, Pumps, Valves, Tubes, Pipes, etc. |
| Others | Military industry, Environment protection, etc. |
Advantage:
1. Scale of company
Suzhou Double Gold Industry Co., Ltd. covers a area of 50000㎡,building 29000㎡,with a total investment of RMB 150 million CNY.
2. Production facilities
We fit out a set of advanced steel production facility, such as AIM,EAF,AOD,LF, VOD, ESR, IESR, VIM and the processing equipment contains heat treatment furnace, peeling machine, roller straightening machine, cold drawing machine, coreless grinder etc.
3. Testing equipments
We fit out advanced testing equipments which include German SPECTRO direct-reading spectrometer, hardness and tensile machine, impact testing device, automatic & manual ultrasonic nondestructive detector, corrosion testing machine, metallurgical microscope etc.
4. Main customers
Our main customers are GE, Dana, Panasonic, Bentler, Atlas Copco, Faurecia, CNPC, Sinopec, CNNC, CGN, CSIC etc.
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