Tool steel/die steel

Spring steel
Spring Steel is a high-performance alloy steel designed for elastic components, featuring high elastic limit, excellent fatigue resistance, and good toughness. Widely used in automotive, machinery, and rail transport, it maintains long-term durability under cyclic loads through optimized compositions (e.g., Si, Mn, Cr) and heat treatment (quenching + tempering).
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PRODUCT DESCRIPTION
Brand comparison table
Chinese StandardAmerican Standard (ASTM)German standard (DIN/EN)
651065CK67
701070C70‌
851085CK85
65Mn156560Mn4
60Si2Mn926060Si7
60Si2MnA9260H60Si7(Hardenability optimization)
55SiMnVB--
55Si2MnB--
50CrVA615050CrV4
51CrV4-51CrV4
60CrMnA516055Cr3
60CrMnBA51B60-
60Si2CrA-60SiCr5
60Si2CrVA--
55CrMnA515555Cr3
30W4Cr2VA-30WCrV9-3
PACKAGING & DELIVERY

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FAQ

Q1:Do you provide samples? Is it free or extra?
A1:Yes, we can provide samples free of charge and the customer will pay the freight.
Q2:What if I don't have export experience ?
A2:We have reliable forwarder agent which can ship items to you by sea/air/Express to your doorstep. Any way, we will help you choose the most suitable shipping service.
Q3:How long is your lead time?
A3:If it is in stock, it is usually 5-10 days. Or, if there is no inventory, 15 days, depending on the quantity.
Q4:What are your terms of payment?
A4:30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy, 100%.Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L 30-120 days, O/A.
Q5:How is your technical support?
A5:We provide lifetime online support through Whatsapp/ Skype/ Wechat/ Email. Any problem after delivery, we will offer you call anytime.

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