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Durable Spring Flat Steel for Heavy Load Working Condition
US$650.00-750.00
5 Tons
Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

Technique

Hot Rolled

Standard

JIS, ASTM, GB, En 10089 / ASTM A689 / JIS G4801 /T 1222

Model NO.

Spring flat steel

Certification

IS0

Product Name

Spring Steel Flat Bar / Leaf Spring Steel

Material

En45A (Sup9), 60si2mn, 55si7, 65mn, SAE 5160 /9260

Delivery Status

Annealed / Hardened & Tempered

Thickness

5mm- 60mm

Width

30mm-400mm

Length

4m -12m or Coils

Application

Automotive/Agricultural/Construction Machinery

Transport Package

Seaworthy Standard Export Packing

Specification

8x100/Thk 5-60mm × W 30-400mm

Trademark

pufa

Origin

Tianjin, China

Production Capacity

100000ton

Key features

High Fatigue Strength: Designed to withstand repeated bending stress without cracking for long service life.
Precise Dimensional Control: Strict thickness tolerance of +/-0.05mm ensures consistent fit and performance.
Clean Surface Quality: Free from decarburization, cracks, and scale for superior surface finish.
Multiple Steel Grades: Available in EN45A, 60Si2Mn, 55Si7, 65Mn, SAE 5160, and SAE 9260.
Customizable Hardness: Q&T hardness can be customized to 40-50 HRC based on specific requirements.
Value-Added Processing: Services include cutting-to-length, slitting, and heat treatment (annealing/quenching).
Comprehensive Certification: MTC provided for every order with optional SGS/BV third-party inspection support.
Fast Delivery for Stock: Stock sizes can be shipped within 7-15 days after payment confirmation.

Company profile

Pufa Special Materials (Tianjin) Co., Ltd
Fast DeliveryCustomization from DesignsOEM ServicesImporters and Exporters
Business Type: Trading CompanyExport Year: 2017-09-17Nearest Port: Tianjin Port, Shanghai Port, Qingdao PortAverage Response Time: ≤2.24hTerms of Payment: T/T, LCInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAP

About Our Factory & Business Background

AddressNo. 1602, Building A, Xinduhui, Beichen District, Tianjin
Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsMold & Tool Steel (P20 718h H13 D2 S1 O1), Spring Flat Steel (En45A Sup9 60si2mn 5160), Alloy Steel Bars (4140 4340 42CrMo 40cr), Carbon Steel Plates (Ss400 S235jr S355jr), Ship Plate Steel (Ah36 Dh36 Eh36 ABS/BV/Dnv), Stainless Steel Plates (304 316L 310S 321), Stainless Steel Pipes (Smls & ERW Sch 10s-80s), Nickel Base Alloys (Inconel 600 Hastelloy C276), Wear Resistant Steel (Nm360 Nm400 Ar400 Ar500), Galvanized & Cold Rolled Steel (SPHC SPCC Coils)

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:How do you guarantee the steel quality?
A:
Quality is our top priority. Every batch of steel comes with a Mill Test Certificate (MTC) showing the chemical composition and mechanical properties, strictly complying with ASTM, EN, JIS, and GB standards. We also support third-party inspections (like SGS, BV) before shipment to ensure zero defects.
Q:What is your MOQ (Minimum Order Quantity)?
A:
Generally, our MOQ is 1 Ton for regular sizes (e.g., Round Bars, Plates). For special sizes or custom cutting requirements, the MOQ may vary. Please contact us with your specific dimensions, and we will try our best to meet your needs even for trial orders.
Q:Can you supply specific grades like AISI S1, EN45A, or Inconel 625?
A:
Yes. We specialize in Specialty & Alloy Steels. We have rich experience supplying hard-to-find grades such as AISI S1 (Shock Resisting), EN45A (Spring Steel), 4140/42CrMo, and Nickel Alloys (Inconel, Hastelloy). Please share your required standard and grade, and we will check our stock or production schedule.
Q:What about the delivery time and shipping?
A:
For stock materials, we can ship within 7-10 days after receiving payment. For production orders, it usually takes 20-30 days. We offer flexible trade terms including FOB, CIF, and DAP (delivery to your warehouse). We mainly ship from Qingdao, Tianjin, and Shanghai ports.
Q:Do you provide processing services (cutting/slitting)?
A:
Yes. To save your cost and labor, we provide value-added processing services such as cutting-to-length, slitting, and simple heat treatment (annealing/quenching). We can deliver the steel ready for use in your workshop.

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