1.6546 / BS: 311-Type 7 Alloy Structural Steel Forged Flat Bar Manufacturer Factory Price

• Customization: Available
• Type: Flat
• Standard: AISI, DIN, JIS, GB
• Model NO.: 1.6546 / BS: 311-Type 7
• Technique: Cold Drawn/Black/Peeld/Turned/Centerless Grinding
• Shape: Flat
• Surface Treatment: Black Surface/Sandblasted Surface/Granding Surface
• Heat Treatment: Annealed, Quenched, Tempered
• Delivery Time: According to The Inventory Situation
• Product Application: Automotive/Engineering/Heavy Machinery
• Price: to Be Confirmed Based on Order Details
• Transport Package: Standard Packaging
• Specification: According to order
• Trademark: ZEICIN
• Origin: China
• Production Capacity: 10000 Ton / Year

Product Description

Product Description

 

1.6546 / BS:311-Type 7 Alloy Structural Steel Forged Flat Bar Manufacturer Factory Price

 

BS:311-Type 7 (1.6546) is a high-quality alloy structural steel known for its high strength, toughness, and wear resistance. After quenching and tempering, it performs reliably under heavy load and fatigue conditions, making it suitable for demanding engineering applications.

Supplied in flat bar form, this steel features stable chemical composition, reliable mechanical properties, and good machinability. It is widely used in automotive components, gears, shafts, bearings, and machinery parts that require precision and durability.

Similar Grades

DIN	BS	AISI	JIS
1.6546/40NiCrMo22	311-Type 7	8740	SNCM240

Main Chemical Composition%

C	Cr	Mn	Si	Mo	S	P	Ni
0.38-0.40	0.40-0.60	0.70-1.00	0.15-0.40	0.20-0.30	≤0.035	≤0.035	0.40-0.70

 

 

Our Advantages

Production process

Major Equipment

1. Electric Arc Furnace
2. ESR
3. 5T Forging Machine
4. Vacuum Annealing Furnace

5. Non-destructive Detector
6. Rolling Mill
7. Drawing Mill
8. Spray Forming

Surface Condition

Applications

Applications of 1.6546 / BS 311-Type 7 Alloy Steel Flat Bar

BS:311-Type 7 / 1.6546 alloy steel flat bar is widely used in automotive, machinery, and engineering industries. With its high strength, toughness, and wear resistance after heat treatment, it performs reliably in heavy-duty and fatigue conditions.

• Automotive parts: gears, shafts, axles, and transmission components

• Engineering equipment: bearings, spindles, and couplings

• Industrial machinery: OEM precision parts, drive components, and wear-resistant tools

• General mechanical use: structural parts requiring durability and long service life

This material is especially suited for precision machining and OEM manufacturing, ensuring stable performance and extended lifespan of critical components.

Packaging & Shipping

 

 

FAQ

Q1: Do you accept trial orders?
A1: Yes, we accept trial orders if the exact size is in stock.

Q2: What is your delivery time?
A2: If the goods are in stock, delivery time is generally 5-15 days. If the goods are not in stock, it may take 15-20 days, depending on the order quantity.

Q3: Do you offer discounts for bulk orders?
A3: Yes, we offer discounts for bulk orders. The specific discount will depend on the order quantity and cooperation terms. Please feel free to contact us for more information.

Q4: What is your product packaging like?
A4: Our products are packaged accordingly in standard industrial packaging to ensure safety during transport. If you have special packaging requirements, please specify them when placing your order, and we will package your items accordingly.

Q5: What payment methods do you support?
A5: We accept a variety of payment methods, including T/T, L/C, Alipay, PayPal, etc. The specific payment method can be arranged flexibly based on the order amount and customer needs.