NO.1 SUPPLIER OF 4140 SHEET
OVER 1000 TONS 4140 STEEL PLATE IN STOCK, THICKNESS 4MM TO 300MM IN STOCK, PROMPT DELIVERY.
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AVAILABLE IN STOCK
FROM 4MM TO 300MM, ALL THICKNESS AVAILABLE IN STOCK.
ORDER TODAY, LOAD TOMORROW.
GET A QUOTE NOW

Otai

Maybe Best 4140 Plate supplier in China

4140 / 42CrMo4 alloy steel plate thickness 4mm~300mm avaiable in stock for immediate delivery

Happy & Intimate Customers

Why more people choose Otai Steel

# 01

ISO 9001 & SGS Certified

Best quality is essential for steel material supply. Otai tries to exceed your expection.

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# 02

Widest Range of Sizes

Maybe we have the widest range of thickness 4140 palte in stock in China.

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# 03

Prompt Delivery

Need a large 4140 steel plate? order it today and load it tomorrow!

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6 Reasons Why Our Clients Buying 4140 Sheet From Us

6 Reasons Why Our Clients Buying 4140 Plate From Us

1

Wide Sizes Selection

From 4mm to 300mm, find the perfect 4140 sheet thickness in our extensive inventory.

From 4mm to 300mm, find the perfect 4140 steel sheet thickness in our extensive inventory.

Wide Sizes Selection

From 4mm to 300mm, find the perfect 4140 steel sheet thickness in our extensive inventory.

From 4mm to 300mm, find the perfect 4140 steel sheet thickness in our extensive inventory.
4140 steel sheet in Hot-rolled, Q+T (prehard), or annealed condition. We offer AISI 4140 steel plates in the exact condition you need, for different applications.

2

Different Condition to Match Your Demand

Hot-rolled, Q+T (prehard), or annealed condition. We offer AISI 4140 steel plates in the exact condition you need, for different applications.

Different Condition to Match Your Demand

Hot-rolled, Q+T (prehard), or annealed condition. We offer AISI 4140 steel plates in the exact condition you need, for different applications.

4140 steel sheet in Hot-rolled, Q+T (prehard), or annealed condition. We offer AISI 4140 steel plates in the exact condition you need, for different applications.

3

Quality Comes First Always

With ISO 9001 certified & SGS inspection, Otai supplies you reliable quality for AISI / ASTM 4140 steel plate or flat bar.

With ISO 9001 certified & SGS inspection, Otai supplies you reliable quality for AISI / ASTM 4140 steel sheets or flat bar.

Quality Comes First Always

With ISO 9001 certified & SGS inspection, Otai supplies you reliable quality for AISI / ASTM 4140 steel plate or flat bar.

With ISO 9001 certified & SGS inspection, Otai supplies you reliable quality for AISI / ASTM 4140 steel sheets or flat bar.
Need it fast? Large 4140 steel plates delivered the next day, processed 4140 alloy plates in just 7 days.

4

Prompt Delivery (Order Today, Load Tomorrow)

Need it fast? Large 4140 steel plates delivered the next day, processed 4140 alloy plates in just 7 days.

Prompt Delivery (Order Today, Load Tomorrow)

Need it fast? Large 4140 steel plates delivered the next day, processed 4140 alloy plates in just 7 days.

Need it fast? Large 4140 steel plates delivered the next day, processed 4140 alloy plates in just 7 days.

5

Cut to Size & Cut to Length

With our advanced band saws & CNC machines, we can cut 4140 plates according to your exact specifications, to save your time and your money.

With our advanced band saws & CNC machines, we can cut 4140 steel sheets according to your exact specifications, to save your time and your money.

Cut to Size & Cut to Length

With our advanced band saws & CNC machines, we can cut 4140 plates according to your exact specifications, to save your time and your money.

With our advanced band saws & CNC machines, we can cut 4140 steel sheets according to your exact specifications, to save your time and your money.
Your requirements, our execution. From size tolerance to surface roughness for 4140 sheets material, we've got you covered.

6

Machining & Customized Service

Your requirements, our execution. From size tolerance to surface roughness for 4140 steel plates, we've got you covered.

Machining & Customized Service

Your requirements, our execution. From size tolerance to surface roughness for 4140 steel plates, we've got you covered.

Your requirements, our execution. From size tolerance to surface roughness for 4140 sheets material, we've got you covered.

Deliver more than 100 difference steel grades to over 60 countries

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LATEST NEWS
  • 06Nov

    Improving AISI 4140 Steel Performance Through Composition Adjustments

    Read More →
  • 05Nov

    Improving the Utility of AISI 4140 Steel by Modifying Its Chemical Composition

    Read More →
  • 04Nov

    4140 Steel Processing: Transforming from Furnace to Finished Component

    Read More →
 
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