ASTM A694 F56 Carbon Steel Flange
GNEE offers its customers ASTM A694 F56 carbon steel flanges in different grades and qualities. They work efficiently in a variety of applications and are durable and strong enough to last longer than regular flanges.
ASTM A694 F56 flange is a low alloy steel flange that combines carbon, manganese, phosphorus, sulfur, silicon and other elements to achieve the mechanical and chemical properties required of ASTM A694 F56 alloy steel flange such as low carbon content and improved Weldability, strong addition gives it corrosion resistance and excellent tensile and yield strength.
ASTM A694 F56 forged flange has different forms according to different needs, such as carbon steel A694 F56 connecting weld flange, which is characterized by being used for small-sized high-impact channels, and the main purpose of carbon steel A694 F56 orifice plate flange is identification The flow rate of a liquid or gas in a piping system.
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ASTM A694 F56 High Yield Carbon Steel Flange Product information
ASTM A694 F56 Industrial Carbon Steel Flange Specification:
| Dimension Std | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
|---|---|
| Specification | ASTM A105 / A350 , ASTM A694 / A516/ A266/ IS2062 |
| Size | ½" NB – 48″ NB |
| Class | 150#, 300#, 600#, 900#, 1500#, 2500#, etc |
| Pressure | DIN PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160, etc |
| Certification | IBR & NON IBR |
| Additional Testing | NACE MR0175 , NACE TM0284 , HIC TEST , H2 SERVICE , ETC |
ASTM A694 F56 high pressure transmission flange Chemical Composition :
| Element | C | Mn | Si | Ph | Su | Mo | Cr | Ni |
| Carbon Steel A105 | 0.08 – 0.15 | 0.30 – 0.60 | 0.15 – 0.50 | 0.025 max * | 0.025 max * | 0.90 – 1.10 | 2.00 – 2.50 | 0.5 max |
ASTM A694 F56 Flat Blind Flange Mechanical Properties :
| Property | Ultimate Tensile Strength * | 0.2 % Yield Strength * | Elongation * | Reduction of Area * | Charpy Impact Toughness | Hardness (Brinell) |
| Values | 95 min Ksi (655 Mpa) | 75 min Ksi (517 Mpa) | 17 % min | 35 % min | 42 mean/ 33 min J at –18o C | 197 – 237 BHN (75 Ksi min) |
ASTM A694 F56 raised face weld neck flange

Advantages of Choosing GNEE
GNEE has 14 steel production lines and 10 processing machines for machining, bending, painting, heat treatment, cutting, drilling, chamfering, tempering and surface treatment.GNEE has complete testing equipment and strong technical force. The annual production capacity is over 60,000 tonnes, including all kinds of carbon steel flanges.
GneeGroup participated in the exhibition

FAQ
1. Q: What are your advantages?
A: Honest business, competitive price and professional export processing service.
2. Q: Can your products be customised?
A: Yes, we can produce and process flanges according to your requirements.
3. Q: Do you have quality control system?
A: Yes, we have our own quality control laboratory.
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