GB/T 3077 30CrMo Alloy Steel Plate

Product Introduction

　　30CrMo is a common GB/T 3077 chromium-molybdenum alloy structural steel plate. The number "30" represents its medium carbon content, which endows the steel with excellent strength and comprehensive mechanical properties. It is widely applied to manufacture 8.8S and 10.9S grade high-strength bolts and various high-load structural parts. Strict chemical composition and mechanical property testing is required before official use to ensure safe and stable service. Chinese 30CrMo grade is equivalent to Japanese standard SCM430 for engineering substitution.

　　Basic Product Parameters

Item	Specification
Executive Standard	GB/T 3077
Steel Grade	30CrMo
Equivalent Grade	JIS SCM430
Product Form	Alloy Steel Plate
Thickness Range	8mm‑250mm
Width Range	1500mm‑4050mm
Length Range	3000mm‑15000mm, Custom fixed length
MOQ	1 PC
Delivery Time	Promptly (Stock) Custom production: 10‑40 working days
Stock Status	Available
Certification	MTC Available, Third-party inspection supported
Payment Terms	T/T, L/C At Sight

30CrMo alloy steel Chemical Composition:

30CrMo Chemical Composition
Grade	The Element Max (%)
Grade	C	Si	Mn	P	S
30CrMo	0.26~0.34	0.17~0.37	0.40~0.70	0.035	0.035

30CrMo alloy steel plate Mechanical Property:

Grade		30CrMo Mechanical Property
Grade	Thickness	Yield	Tensile	HB
30CrMo	mm	Min Mpa	Mpa	HB
	6-50	785	930
	50-200	785	930

Main Applications

　　30CrMo alloy steel plate is the core material for producing 8.8S and 10.9S grade high-strength bolts. It is also widely used for manufacturing high-load mechanical structural parts in machinery, engineering and equipment manufacturing industries, featuring high strength, good toughness and stable structural performance.

　　We supply full-specification 30CrMo alloy steel plates with complete MTC quality certificates and strict composition testing reports. Custom cutting and processing services are supported, with third-party quality inspection available. Welcome to contact us for any product inquiries and professional technical consultation, we will reply to your message promptly.