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ASTM 430 / 430F Stainless Steel Bar Bright Surface Diameter 4-800 Mm
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Brand Name:UST
Model Number:ASTM 430 / 430F
Certification:ISO 9001:2008
Price:USD 1250-3500 / Metric Ton
Payment Terms:L/C, T/T, D/A, D/P
Supply Ability:1000 Metric Tons per Month
Delivery Time:15-35 days
Company Data
Active Member
Contact Person
Eric
Business Type:
86-21-35316960
Business Type:
Manufacturer Distributor/Wholesaler Agent Exporter Trading Company Seller
Officials:
Room 1109, Loft Office, Green Land International Plaza, No. 275-8 Guoding East Road, Shanghai 200433, P.R. China. (admin(a)shunitesteel.com)
Quality:
Quality Certifitation Available
Product Details
Company Profile
Product Details
INTRODUCTION
Grade 430 is a ferritic, straight chromium, non-hardenable grade, combining good corrosion resistance and formability characteristics with useful mechanical properties. Its ability to resist nitric acid attack permits its use in specific chemical applications but automotive trim and appliance components represents its largest fields of application.
Grade 430F is the free-machining version of this grade, available in bar form for use in automatic screw machines. Grade 434 is the molybdenum bearing version of Grade 430 and has the same useful combination of properties. Its molybdenum addition improves corrosion resistance.
APPLICATIONS
Typical applications for 430 grade include:
- Linings for dish washers
- Refrigerator cabinet panels
- Automotive trim
- Lashing Wire
- Element Supports
- Stove trim rings
- Fasteners
- Chimney Liners
Typical applications for 430F grade include:
- Repetition machined components
| Steel Grade | 430 / 430F | Application | Mentioned above |
| Shape | Round Bar | Standard | GB, ASTM, DIN,JIS |
| Dimension | Φ4-800 mm; length below 10m | Surface | Black, Bright, Polished, Peeled |
| Technique | Cold drawn; Hot rolled; Forged | Ultrasonic Test | 100% UT Passed |
DELIVERY CONDITIONS
| Diameter (mm) | |
| Cold drawn | 4-60 |
| Peeled | 30-100 |
| Grinded | 4-600 |
| Turned | 130-800 |
| Hot Rolled | 20-280 |
| Hot Forged | 130-800 |
EQUIVALENT GRADES OF ASTM 430 / 430F
- JIS G4303: SUS430
- ASTM/ASME: UNS S43000
- EURONORM: X12Cr13
- DIN: 1.4016
CHEMICAL COMPOSITION (%)
| C | Si | Mn | P | S | Cr | |
| 430 | ≤ 0.12 | ≤ 1.00 | ≤ 1.00 | ≤ 0.040 | ≤ 0.030 | 16.00 1800 |
| 430F | ≤ 0.12 | ≤ 1.00 | ≤ 1.25 | ≤ 0.060 | ≥ 0.150 | 16.00 18.00 |
MECHANICAL PROPERTIES
| Grade | Tensile Strength ksi (min) | Yield Strength 0.2% ksi (min) | Elongation % | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
| 430 | 450 | 205 | 22 | 89 | 183 |
| 430F | 552 | 379 | 25 | / | 262 |
POSSIBLE ALTERNATIVE GRADES TO 430
| Grade | Reason it may be chosen instead of 430 |
| 430F | Higher machinability than 430 is needed in bar product, and reduced corrosion resistance is acceptable. |
| 434 | Better pitting resistance is required |
| 304 | Slightly higher corrosion resistance is needed, together with greatly improved ability to be welded and cold formed |
| 316 | Much better corrosion resistance is needed, together with greatly ability to be welded and cold formed |
| 3CR12 | A lower corrosion resistance is acceptable in a cost-critical application |
RESISTANCE
Corrosion Resistance
Grade 430 has good resistance to a wide variety of corrosive enviornments, including nitric acid and some organic acids. It attains its maximum corrosion resistance when in the highly polished or buffed condition. In general its resistance to pitting and crevice corrosion resistance is close to that of grade 304. Stress corrosion cracking resistance of Grade 430 is very high, as it is for all ferritic grades.
Like other high-sulphur free machining grades 430F has much reduced resistance to pitting and crevice corrosion compared to its non-free machining equivalent.
Heat Resistance
Grade 430 resists oxidation in intermittent service up to 870°C and to 815°C in continuous service. This grade may become brittle at room temperature after prolonged heating in the 400-600°C range. This effect can be eliminated by annealing.
PROCESSING
Heat Treatment
- Solution Annealing – Heat to 815-845°C, hold for ½ hour per 25mm of thickness, slow furnace cool to 600°C and then quickly air cool. Slow cooling from 540-400°C will cause embrittlement.
- Sub-Critical anneal – Heat to 760-815°C and then air cool or water quench.
- This grade is not hardenable by thermal treatment.
Welding
- Pre-heat at 150-200°C if welding is necessary.
- Embrittlement in the weld metal and heat affected zone can be relieved by a post-weld anneal at 790-815°C
- Grain refinement will not occur.
Machining
- Easier to machine than the standard austenitic grades such as 304.
- Still a tendency for galling and pick-up on the cutting tool.
- Bars that have been lightly drawn are easier to machine than those in the annealed condition.
- Grade 430F, the free machining version of 430, is very much easier to machine.
Fabrication
- Lower work hardening rate makes bending and forming somewhat easier than for grade 304
- Lower ductility restricts very severe operations.
- Severe bends should be made with the bend axis at right angles to the rolling direction.
- Severe cold heading of 430 wire is possible.
What we can offer?
-We offer a wide range of steel products in a wide variety of dimensions and executions, according to the common international specifications or customize.
-Machining and heat treatment are available.
-Also, we advise you in choosing the right materials.
Shape Available
- Solid round bar
- Flat bar
- Square bar
- Hexagon bar
- Block
- Plate
- Sheet
- Wire rod
- Strip
Our Advantages
- High mechanical property and quenching, enable the surface share equal hardness after deal with it
- Good polishing and low roughness
- Making the heat-treatment to harden condition before using it
- Competitive price
- Fast production lead-time
- All the material are inspected with 3 times to meet the highly standards
- Pure steel quality & stable quality to be guarantee
OUR AVAILABLE STAINLESS STEEL PRODUCTS ARE AS BELOW
PAYMENT AND SHIPPING
1. Both T/T and L/C will be acceptable
2. Trade Terms: FOB, CIF, CFR
3. The delivery will be in 10-15 days if have stock; For customized items, the delivery will be negotiated by both parties
4. Shipping by sea freight from Shanghai Port (PRC) for Bulk orders, by airfreight or express for samples
COMPANY INFORMATION
Shanghai Unite Steel Trading Co., Ltd
We are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.
In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china.
What’s more, we have built long, deep and close business relationship with dozens of steel company, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!
FAQ
Q: Are you a manufacturer or merely a trader?
A: We are group of companies and owned manufacturer bases and
trading company. We specialized in special steel which include
alloy structural steel and carbon steel and stainless steel, etc.
All material are with high quality and competitive price.
Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party,
such as TUV, CE, if you need. Secondly, we have a complete set of
inspection system and every process is checked by QC. Quality is
the lifeline of enterprise survival.
Q: Delivery time?
A: We have ready stock for most of material grades in our
warehouse. If the material doesn't have stock, the delivery lead
time is about 5-30 days after receiving your prepayment or firm
order.
Q: What is the payment term?
A: T/T or L/C.
Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you
come to China and arrange our driver to our airport to pick you up
when you come.
CONTACT US
We are happy to answer your questions and make you an offer for these and other materials. Contact us now for more information.
Your Contact Person
Ms Chilli Ho
Phone/Wechat/Whatsapp +86-181-0187-5575
Skype: chilli.ho@outlook.com
Email: chilli.ho@shunitesteel.com
Company Profile
SHANGHAI UNITE STEEL
We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.
In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china, such as: DAYE Special Steel-a famous steel enterprise with the longest steelmaking history; BAO Steel, and Dongbei Special Steel Group-the biggest special steel manufacturer; TPCO, VALIN-largest seamless steel tube production enterprise; What's more, we have built long, deep and close business relationship with dozens of steel companies, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!
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