S4114-35Q

Delivery:

Payment:

Means of Payment

For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and wire transfer.

RFQ (Request for Quotations)

It is recommended to request for quotations to get the latest prices and inventories about the part.
Our sales will reply to your request by email within 24 hours.

IMPORTANT NOTICE

1. You’ll receive an order information email in your inbox. (Please remember to check the spam folder if you didn’t hear from us).
2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Technical Parameter Table: Steel Plate S4114-35Q

Product Name: High Strength Quenched and Tempered Steel Plate
Designation: S4114-35Q
Standard: Typically conforms to JIS G 3128 (or similar proprietary standards for high-yield strength steel)

Parameter Category	Parameter	Value / Description	Notes
Mechanical Properties	Yield Strength (Rp0.2), min	685 MPa	≥ 690 MPa is common
	Tensile Strength (Rm)	790 – 930 MPa
	Elongation (A5), min	16 %	Measured on a standard test piece
	Impact Toughness (Charpy V-Notch)
	– Test Temperature	-40 °C
	– Average Value, min	35 J
Chemical Composition (Typical %)	Carbon (C)	≤ 0.18 %	Balances strength and weldability
	Silicon (Si)	≤ 0.55 %
	Manganese (Mn)	≤ 1.50 %
	Phosphorus (P)	≤ 0.030 %	Impurity, controlled for toughness
	Sulfur (S)	≤ 0.030 %	Impurity, controlled for toughness
	Chromium (Cr)	0.90 – 1.50 %	Enhances hardenability and strength
	Molybdenum (Mo)	0.25 – 0.55 %	Enhances strength and temper resistance
	Boron (B)	Added (trace)	Significantly increases hardenability
Physical Properties	Density	~7.85 g/cm³	Standard for carbon steels
	Modulus of Elasticity	~200 GPa	Standard for steel
	Poisson’s Ratio	~0.29	Standard for steel
Thermal Properties	Thermal Conductivity	~42 W/m·K	Approximate value at room temp
	Coefficient of Thermal Expansion	~12 x 10⁻⁶ /K	Approximate value (20-100°C)
Processing & Applications	Heat Treatment	Quenched & Tempered (Q&T)	Provides high strength and good toughness
	Weldability	Good (with precautions)	Requires pre-heating and low-hydrogen electrodes
	Typical Applications	– Construction equipment (e.g., booms, arms) – Mining machinery – High-stress structural components – Crane parts	Used where high strength-to-weight ratio is critical