ASTM AISI 409l 4mm Stainless Steel Flat Plate Low Thermal Expansion
Brand Name:HDT
Certification:ASME, GRADE A, ISO9001
Model Number:409L
Minimum Order Quantity:5T
Delivery Time:60-75days
Payment Terms:L/C, T/T, Western Union
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Astm Aisi 409l 410 420 430 440c Stainless Steel Plate / Sheet / Coil / Strip
Product Information
Certificate | SGS,ISO |
Surface | 2B,BA(bright annealed) NO.1 NO.2 NO.3 NO.4,8K HL(Hair Line) PVC |
Thickness | 0.15-6mm |
Width | 24-2000mm |
Length | 1-6m or as required |
Delivery time | 15-20 days after the deposit or LC. |
Feature | Good cost performance,price stability |
Good shaping capability,weld bending capability,high thermal
conductivity,low thermal expansion | |
Shipment | Within 10-15 workdays,25-30days when the quality beyond 1000tons |
Stainless steels are a family of iron based alloys that contain a
minimum of 10.5% chromium (CR). The presence of chromium creates an
invisible surface film that resists oxidation and makes the
material passive or corrosion resistant (stainless). There are
multiple families of stainless steel which are designed for various
applications and uses. Stainless grades can be further modified to
meet various processing, corrosion, temperature and strength
conditions.
Stainless steel sheet/Plate can be made by cold rolling and hot
rolling, including the thickness of 0.31-6.0 mm sheet and 3.0-60 mm
plate; common type 201, 202, 304, 304L, 316L, 309S, 310S, 317L,
347, 409L, 410S, 420J1/J2, 430, 446 etc.
Hot-rolled stainless steel, mechanical properties not as good as
cold-rolled, but there are good toughness and ductility.
Cold-rolled stainless steel plate due to the good hardening,
toughness is low.
In order to ensure all kinds of stainless steel yield strength,
tensile strength, elongation and hardness and other mechanical
properties to meet the requirements, prior to delivery must be
stainless steel annealing, solution treatment, aging heat
treatment.
Applications:
Although Alloy 409 is designed principally for the automotive exhaust industry, it has been successfully used in other industrial applications as well. Some examples of applications that call for Alloy 409 include:
- Automotive exhaust systems
- Catalytic converters
- Mufflers
- Tailpipes
- Farm equipment
- Structural support and hangers
- Transformer cases
- Furnace components
- Heat exchanger tubing
Standards:
- ASTM/ASME: UNS S40900
- EURONORM: FeMi35Cr20Cu4Mo2
- DIN: 2.4660
Corrosion Resistance:
- Resists atmospheric and exhaust gas corrosion
- In most atmospheres a light surface rust will form which inhibits further corrosion but makes the surface less appealing
Heat Resistance
- Generally classified as resistant to scaling in intermittent service up to 1499oF (815oC ) and up to 1247oF (675oC) in continuous service
Weldability
- Readily weldable
- Pre-heat of 302 to 500oF (150 to 260oC) is recommended
- Post-weld annealing at 1400 to 1499oF improved weld ductility
- Post-weld annealing is not required when welding thin sections
- Automotive exhaust tubing is typically welded without filler metal
Chemical Properties:
| C | Mn | Si | P | S | Cr | Ni | Ti | |
|---|---|---|---|---|---|---|---|---|
| 409 | max:0.08 | max:1.0 | max:1.0 | max:0.045 | max: 0.045 | min: 10.5 max: 11.75 | max: 0.5 | min: 0.48 max: 0.75 |
Mechanical Properties:
| Grade | Tensile Strength MPa (min) | Yield Strength 0.2% MPa(min) | Elongation % | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
|---|---|---|---|---|---|
| 409 | 380 | 207 | 20 | 207 | 95 |
ASTM AISI 409l 4mm Stainless Steel Flat Plate Low Thermal Expansion
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