Import Machined 4340 Alloy Steel Bars H7 Tolerance — Buy in wholesale FOB from Supplier in China
Similar Products
- Q235 Galvanized Round Steel
- Q195 Galvanized Round Steel
- Taper Thread Rebar Coupler 12-40mm
- Mechanical Rib Peeling Rebar Coupler lenton type
- Upsetting Rebar Couplers For Cold Forging Thread
- U71Mn Standard Crane Rail Steel
- QU80 71Mnk 45Mnk Crane Steel Rails
- SS431 bright bar
- Djb600 mental roof beam
- steel
- Gold Bars
- Reinforcing Steel Bar ArcelorMittal Manufacture
More from this Seller
- Bearing Alloy Steel E52100 1.3505 Round Rods
- Tungsten Carbide,Tungsten Carbide Ring,Tungsten
- China provides Steel Tungsten
- Cold Work Mold Steel D6 1.2436 Alloy Steel
- 40CR/5140 Alloy Steel Sheets
- Sae 1045 Barras Redondas De Acero
- Hot Rolled Carbon S45C Mild Steel Plate
- 10mm Thick 4340 Alloy Steel Sheets
- H13 / 1.2344 Sheet Steel
- DIN 1.6511/AISI 4340 Steel Plates
- Steel Sheets
- 10mm H13 / 1.2344 Sheet Steel Price Per KG
Related Products
- Zinc scrap
- Zinc turning scrap
- UNS N10665 (2.4617),Hastelloy B-2,Alloy B2
- 718 Inconel Seamless Pipes And Fittings
- Hastelloy G-35 Alloy, UNS N06035, W.Nr. 2.4643
- 440C Stainless Steel Strip
- Medical Tubes, Wholesale Medical Tubes, Buy Medical Tubes.
- Aluminum Alloy Ingot 6061-T6
- Structural Steel H-Beam ASTM A992
- Kashmiri Red Chilli Powder
- insulated Copper Wire Cable Scrap
- Copper Cathode
Trending in Sub-Category
- Copper Wire Scrap
- Hms 1 & 2 Scrap
- Battery Operated Rail Drilling Machine - (CHAKRADHAR INDUSTRIES (CDI)
- Hydraulic Rail Tensor (Non-infringing type) - (CHAKRADHAR INDUSTRIES (CDI)
- Rail Profile Grinding machine - (CHAKRADHAR INDUSTRIES (CDI)
- Abrasive Rail Cutting disc - (CHAKRADHAR INDUSTRIES (CDI)
- Frog and Switch rail grinding machine - (CHAKRADHAR INDUSTRIES (CDI)
- A7 Aluminium Ingot
- Metalware
- stainless steel seamless tubes
- SEAMLESS STEEL PIPE
- 310S Seamless stainless steel pipe
Top Suppliers for this Product
- BSP Export Pvt. Ltd.
- JQF Group
- Shangdun Special Materials Co.Ltd.
- Shandong Jintuo Metal Materials Co., Ltd
- Jiangsu Steel Group Co., Ltd.
- Shandong Huamin Steel Ball Joint-stock Co., Ltd.
- Emarc India
- China Coal Industry And Mining Group
- Hebei Yida Reinforcing Bar Connecting Technology Co., Ltd.
- Allied Trade S.A.
Compare Other Sellers
More Suppliers in Category
Related Products
- Zinc scrap
- Zinc turning scrap
- 718 Inconel Seamless Pipes And Fittings
- UNS N10665 (2.4617),Hastelloy B-2,Alloy B2
- Hastelloy G-35 Alloy, UNS N06035, W.Nr. 2.4643
- Zinc plating production line
- Wire rod
- 440C Stainless Steel Strip
- Zinc Chloride
- Medical Tubes, Wholesale Medical Tubes, Buy Medical Tubes.
- Aluminum Alloy Ingot 6061-T6
- Structural Steel H-Beam ASTM A992
- Kashmiri Red Chilli Powder
- insulated Copper Wire Cable Scrap
- Hms 1 & 2 Scrap
- Copper Wire Scrap
- Copper Cathode
- WHITE PHENYL CONCENTRATE
- Battery Operated Rail Drilling Machine - (CHAKRADHAR INDUSTRIES (CDI)
- Hydraulic Rail Tensor (Non-infringing type) - (CHAKRADHAR INDUSTRIES (CDI)
- Frog and Switch rail grinding machine - (CHAKRADHAR INDUSTRIES (CDI)
- Abrasive Rail Cutting disc - (CHAKRADHAR INDUSTRIES (CDI)
- Rail Profile Grinding machine - (CHAKRADHAR INDUSTRIES (CDI)
- A7 Aluminium Ingot
- Metalware
- Stainless Steel Tubes
- Stainless steel round tube
- Stainless steel square tube
- stainless steel seamless pipes
- 304L stainless steel pipe
- STAINLESS STEEL RECTANGULAR TUBES
- STAINLESS STEEL WELDED PIPE
- SEAMLESS STEEL PIPE
- stainless steel seamless tubes
- 310S Seamless stainless steel pipe
- RATKIL ZINC PHOSPHIDE-TECHNICAL , RATKIL GRANULES
- Duplex pipes/plates/rods
- FOIL PAPER
- Blue Crystal 3mm Wire Wrapped Rosary Style Chain
- Yeast Extract Powder
- Pole Line Transmission Components
- Zinc Sulphate 21% (Zinc Sulphate Heptahydrate)
- COPPER CATHODE
- Zinta Glow Ouick wash Detergent powder
- Zinta Glow Detergent Matic Liquid Top Load
- Zinta Glow Detergent Matic Liquid Front Load
- Zinc Sulphate Heptahydrate (Z
- Chelated Zinc as Zn EDTA (Zn 12%)
- Zinc
- Copper Cathode
- Lithium ore 7%
- Ilmenite Ore or Titanium Sand
- ASTM F136 Medical Titanium Alloy Plate And Sheet
- Zinc oxide
- DRC-Origin Copper Cathode LME Registered
- DRC-Origin Copper Cathode LME Registered
- copper and wire scrap
- Copper Ingots 6N (99.9999%)
- Gold Dore
- ZINC OXIDE
- 3D CNC Wire Bending Machine
- 3D Wire Bending Machines For Sale
- Wire Hook Hanger Making Machines Manufactures
- Manganese
- Nickel
- Adam
- Gold bar
- Gold bar & Nuggets
- Aluminium ingots
- Metal Material - Material Service
- Buy Ambien 10mg Online - Game-Changer Zoltrate Tablets
- Strip Sensor 20 Meters
- Calcium Zinc Particle Additives for Transparent Hoses and Light Strips
- Seamless Pipe
- Steel, Copper and Aluminum products.
- Premium High-Polyphenol Extra Virgin Olive Oil (EVOO) - Early Harvest.
- Hydraulic Cantilever Suspension Formwork for Prestressed Concrete Segment Casting
- Lithium Spodumene (SC6)
- ZINC
- Quality Used Rail Scrap HMS 1 2 Scrap/HMS 1&2 Used Railway
- Drained Lead-Acid Car Battery Scrap Material
- High Purity Copper Wire Scrap 99.99%,Cheap Copper Scrap 99% 99.95%
- Wholesale Pure 99.7% A7 Aluminum Ingots 99.9% A8 Aluminum Ingots
- edge banding
- 0.4mm 1050 1060 3003 thin aluminum strip is suitable for blinds
- Polished aluminum mirror coil for sale 1050 1100 3003 5052 high brightness mirror aluminum coil
- PRIMERS AND PRIMER-CONCENTRATES
- Seamless Steel Pipe (SMLS) ASTM A106/A53
- Seamless Steel Pipe (SMLS) ASTM A106/A53
- Gold
- POTHZONE 3-0-30 NK FERTILISER SOLUTION
- Seamless steel pipe galvanized steel circular tube PL530
- Aluminum strip aluminum foil hot-rolling plate coil PL941
- Bushing Aluminum Tube SYI-A01
- Stamping Parts SYI-P01
- Aluminum Extrusion 6063 Scrap
- MILLBERRY COPPER WIRE SCRAP
- Mineral water, natural, table drinking water “Zhiveya Kristalnaya”, still
- Organic Pomegranate Concentrate 20cl/25cl
- Mazut Gost73
Top Verified Suppliers
- That Broken Pen · India
- Rozy enterprises · India
- Dwarkadhish Trading Co · India
- DSL INDIA · India
- SIYA IMPORT EXPORT · India
- SAMAYA ENTERPRISE · India
- Faizy Hardware and Iconic Multi Company · India
- the pine products · India
- SEALINE OVERSEAS · India
- EMERGE VARIANCE PVT.LTD. · India
- MANOJ EXPORTS · India
- Khyant Global · India
- Metalcomp Overseas · India
- MANOJ EXPORTS · India
- CHISTIYAAGATE · India
- velley surakshit (opc) private limited · India
- Ultrathon Electric LLP · India
- Vashi Integrated Solutions Ltd · India
- Globwing International · India
- M M Reshamwala · India
- SHINE AURA · India
- ProActiveAnt · India
- HET-ARYA International · India
- Masale Daani · India
- Gemsicon Private Limited · India
- pawan agro · India
- Rainyware · India
- Kerala State Coir Machinery Manufacturing Company Ltd. · India
- KNMBM INTERNATIONAL · India
- Massive Ceramic · India
Related Buy Leads
Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›Agriculture›Apparel and fashion accessories›Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›
Machined 4340 Alloy Steel Bars H7 Tolerance
Machined 4340 alloy steel bars with H7 tolerance from Dongguan Songshun Mould Steel Co., Ltd. are precision-engineered round bars made from NiCrMo low-alloy steel, featuring a chemical composition of 0.40% carbon, 1.80% nickel, 0.80% chromium, and 0.25% molybdenum. The H7 tolerance indicates a precise dimensional control, typically within ±0.021 mm for diameters in the 50-80 mm range, ensuring minimal deviation for high-stress applications. These bars are commonly supplied in annealed or quenched and tempered (Q+T) conditions to optimise strength and toughness.
The alloy’s nickel content enhances toughness at low temperatures, while chromium and molybdenum improve hardenability and resistance to wear. Standard industry practice for 4340 includes heat treatments such as normalising, annealing, or Q+T to achieve tensile strengths of 900-1100 MPa in the Q+T condition. The material is often finished with black, peeled, machined, or milled surfaces, depending on the application’s requirements.
Importers source 4340 alloy bars for high-stress mechanical components like automotive drivetrains, aircraft landing gear, and heavy machinery parts. The material’s combination of strength, toughness, and fatigue resistance makes it a preferred choice for critical applications. Export-grade packaging, such as wooden crates or steel pallets, is used to prevent damage during international transit. Buyers should confirm the exact condition (annealed or Q+T) and surface finish with the supplier, as these impact performance.
| Grade | Alloy Steel 4340 (NiCrMo) |
| Carbon Content | 0.40% |
| Nickel Content | 1.80% |
| Chromium Content | 0.80% |
| Molybdenum Content | 0.25% |
| Tolerance | H7 (±0.021 mm for 50-80 mm diameter) |
| Delivery Condition | Hot rolled or forged, peeled or black surface |
| Typical Tensile Strength (Q+T) | 900-1100 MPa (typical for Q+T condition) |
| Typical Yield Strength (Q+T) | 800-950 MPa (typical for Q+T condition) |
| Typical Hardness (Annealed) | 217-248 HB (typical for annealed condition) |
| Density | 7.85 t/m³ |
Dongguan Songshun Mould Steel Co., Ltd. operates from No.4 Dongda Street, Sha Tou, Dongguan 523850, China, a location known for its concentration of specialty steel producers. The company holds an imported-tier classification with a harbor trust tier, which signifies it meets the basic criteria for international trade but does not provide additional details on response rates or client history.
The supplier’s focus on alloy steel products is evident in its listing for 4340 bars, a material widely used in high-stress applications. The company offers standard certifications such as ISO and mill certificates, but buyers should confirm whether additional third-party inspections, like SGS or UT 100%, are available for their specific order. No further details on production capacity or lead times are provided in the profile.
Machined 4340 alloy steel bars with H7 tolerance are precision-engineered round bars of NiCrMo low-alloy steel, commonly supplied in annealed or Q+T condition for high-stress mechanical applications. These bars are widely used in automotive drivetrains, aircraft landing gear, crankshafts, and heavy machinery components requiring superior tensile strength and impact resistance. As a critical engineering material traded globally, 4340 alloy bars are favored by manufacturers in North America, Europe, and Asia for their machinability and heat treat response. Export-grade packaging ensures damage-free transit for international buyers.
People Also Search For
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | Contact Supplier |
| Response Rate | New Supplier |
Sourcing Machined 4340 Alloy Steel Bars H7 Tolerance from Dongguan Songshun Mould Steel Co., Ltd. - China Import Guide
Before placing an order, verify the exact chemical composition, heat treatment condition (annealed or Q+T), and surface finish of the 4340 alloy steel bars. Request a mill test certificate to confirm compliance with ASTM A29 or A434 standards, and check whether additional inspections, such as UT 100% or SGS, are available. This ensures the material meets your application’s requirements for strength, toughness, and dimensional accuracy.
Confirm the supplier’s lead time for production and shipping, as well as the incoterms offered, such as FOB Shenzhen or CIF to your port. For this supplier, packaging is typically export-grade, but specify any additional requirements, such as custom crating or labeling, to avoid delays. Payment terms, such as TT or LC, should be agreed upon in advance to facilitate smooth transactions.
Upon receipt, conduct quality checks to verify dimensional accuracy, surface finish, and the absence of defects like cracks or scale. For critical applications, consider third-party inspection or testing, such as hardness testing to confirm the material’s condition or ultrasonic testing for internal flaws. Retain all certification and inspection reports for traceability and warranty purposes.
Active buying requirements from importers looking for Similar products
- ✓Who's importing it
- ✓What prices they're paying
- ✓Which ports they're moving through
Related Products & Suppliers
Compare alternatives, find similar products and connect with verified suppliers
Similar Products
More from this Seller
Related Products
Trending in Sub-Category
Top Suppliers for this Product
Compare Other Sellers
More Suppliers in Category
Browse Machined 4340 Alloy Steel Bars H7 Tolerance — Top Products
100 listingsTop Verified Suppliers for Machined 4340 Alloy Steel Bars H7 Tolerance
30 suppliersBuy Machined 4340 Alloy Steel in Bulk — Verified Supplier in China
When sourcing Machined 4340 Alloy Steel Bars H7 Tolerance for your business, securing the right balance of quality and cost is essential. Dongguan Songshun Mould Steel Co., Ltd., a verified supplier based in China, offers this product with key specifications including AISI/SAE 4340 Low Alloy Steel Bar, SAE J404, ASTM A29/A29M, AMS 6415/6415N, and H7 Tolerance (ISO 286-1 / IT7 Grade). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $850/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7228.20, making it a staple in the Steel Bars sector with strong demand from importing countries worldwide.
Machined 4340 Alloy Steel Specifications, Trade Terms & Pricing
Importing Machined 4340 Alloy Steel requires careful attention to shipping logistics, customs compliance, and secure payment terms. Dongguan Songshun Mould Steel Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 7228.20 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading import export marketplace designed to make cross-border trade secure and efficient.
About Dongguan Songshun Mould Steel Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Machined 4340 Alloy Steel has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Steel Bars category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Machined 4340 Alloy Steel — Shipping, Logistics & Customs
Importing Machined 4340 Alloy Steel requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 7228.20 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Machined 4340 Alloy Steel
What is the wholesale price of Machined 4340 Alloy Steel Bars H7 Tolerance?
The current listed wholesale price for Machined 4340 Alloy Steel Bars H7 Tolerance from Dongguan Songshun Mould Steel Co., Ltd. is $850/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Dongguan Songshun Mould Steel Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Machined 4340 Alloy Steel?
The supplier, Dongguan Songshun Mould Steel Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Machined 4340 Alloy Steel. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Machined 4340 Alloy Steel Bars H7 Tolerance?
For international shipping and customs clearance, Machined 4340 Alloy Steel Bars H7 Tolerance is classified under HS Code 7228.20. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Machined 4340 Alloy Steel from China?
To import Machined 4340 Alloy Steel from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Dongguan Songshun Mould Steel Co., Ltd.. Ensure you have the necessary import licenses for Steel Bars products in your destination country.
Is Dongguan Songshun Mould Steel Co., Ltd. a verified supplier?
Yes, Dongguan Songshun Mould Steel Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Machined 4340 Alloy Steel Bars H7 Tolerance?
The key specifications for Machined 4340 Alloy Steel Bars H7 Tolerance supplied by Dongguan Songshun Mould Steel Co., Ltd. include AISI/SAE 4340 Low Alloy Steel Bar, SAE J404, ASTM A29/A29M, AMS 6415/6415N, and H7 Tolerance (ISO 286-1 / IT7 Grade). For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Machined 4340 Alloy Steel?
Dongguan Songshun Mould Steel Co., Ltd. offers Machined 4340 Alloy Steel with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Machined 4340 Alloy Steel the most?
Machined 4340 Alloy Steel is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Dongguan Songshun Mould Steel Co., Ltd. through our platform.
What certifications does this Machined 4340 Alloy Steel supplier hold?
Dongguan Songshun Mould Steel Co., Ltd. maintains international quality certifications. These ensure that the Machined 4340 Alloy Steel meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Machined 4340 Alloy Steel Bars H7 Tolerance on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Dongguan Songshun Mould Steel Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Dongguan Songshun Mould Steel Co., Ltd..
Explore More Steel Bars Products for Wholesale Import
Discover more products in Steel Bars from verified suppliers worldwide.