17-4PH 1.4542 Precipitation Hardening Stainless Steel Plate Bar Block Round Material Stock

• Customization: Available
• Type: Stainless Steel Bars
• Standard: ASTM, AISI, GB, JIS
• Model NO.: 17-4PH
• Grade: 400 Series
• Certification: ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS
• Shape: Round /Flat/Module
• Technique: Hot Rolled
• Surface Treatment: Polished
• Purpose: Turbine Blades/Bearings/Bolts/Optical Product Mold
• Hardness range: HB ≤321
• Stock: Abundant
• Tolerance: +/- 1%
• Heat treatment: Annealed / Q+T
• Transport Package: According to Customer Request
• Specification: 100~300× 300~1600mm
• Trademark: Ningbo Ningshing
• Origin: China
• Production Capacity: 10000 Tons/Year

Product Description

17-4PH / 630 Precipitation Hardening Stainless Steel

S17400 / 1.4542 / SUS630

 

Product Description

 

Equivalence

GB	ASTM	JIS	DIN	EN	AFNOR
05Cr17Ni4Cu4Nb	S17400	SUS630	1.4542	X5CrNiCuNb16-4	Z6CNU17-04
	630
	17-4PH

 

Chemical Composition(%)

 

Steel Grade	C	Si	Mn	P	S	Cr	Ni	Cu	Nb
05Cr17Ni4Cu4Nb	≤0.07	≤1.00	≤1.00	≤0.035	≤0.030	15.0~17.5	3.0~5.0	3.0~5.0	0.15~0.45
S17400(17-4PH)	≤0.07	≤1.00	≤1.00	≤0.040	≤0.030	15.0~17.5	3.0~5.0	3.0~5.0	0.15~0.45
SUS630	≤0.07	≤1.00	≤1.00	≤0.040	≤0.030	15.0~17.5	3.0~5.0	3.0~5.0	0.15~0.45
1.4542	≤0.07	≤0.70	≤1.50	≤0.040	≤0.015	15.0~17.0	3.0~5.0	3.0~5.0	5C~0.45

 

Supply Specifications
 

 

Condition	Processing Description	Dimensional Tolerance	Surface Condition	Notes
Black	/	Rolled : +3~5 mm Forged : +10~20 mm	Hot-rolled black scale surface	Economical choice for large volume orders
Rough Machined	Milled 4 sides + Rough ground 2 sides	Rolled : +0~1 mm Forged : +0~5 mm	Oxide-free, visible surface	Pre-machined surface ready for further processing
Precision Machined	6 sides precision milled + ground	+0.05~0.1 mm	Surface roughness Ra1.6	Ready for direct CNC machining
High Precision	6 sides fine ground	+0.02~0.05 mm	Mirror finish	For high-precision molds
Custom cutting service available according to drawings

 

Technical Parameters
 

 

Applications

 

 

Our Advantages

Summary:Why Choose 17-4PH

• Stable supply from leading domestic and overseas tool steel mills

• Complete tool steel grade portfolio

• Competitive pricing advantage

• Large stock and flexible cutting services

• Flexible delivery and supply solutions

• Professional technical support

 

Company Profile

 

 

 

 

 

 

 

 

 

 

FAQ

 

Q1: What is Ningbo Ningshing Precision Machinery Group Co., Ltd ?

A1: Ningbo Ningshing Precision Machinery Group Co., Ltd., formerly known as Ningbo Ningshing Special-Steel Group Co., Ltd., is the leading distributor of Special Steel, and also a professional mold base maker in China. Our business involves special steel trading, machining processing, mold base making, heat treatment, CNC machines manufacturing.

 

 

Q2: Are you a manufacturer or a trader? 

A2: For Special Steel, we are the one of the leading distributors and service center in China. 9 warehouses with over 50,000 tons of regular stock. Our workshop has various kinds of equipments for sawing, milling, grinding, drilling etc.

For mold base, we are a professional manufacturer, with 24 sets of CNC machines, 3 axis and 5 axis, CMM for inspection. We produce medium-large sized mold base for plastic injection mold and die casting die.

 

 

Q3: How do you control the quality of steels?

A3: Firstly, we have very close and deep relationship with Chinese Prime Mills, choose supplier carefully, and regard them as the long term business partner. Based on the long term cooperation, we concentrate on special steel business and expand the market step by step. Secondly, we have own technical center which is formed by the experienced engineers and technicians whom ever worked for prime mills. We control the quality in production process, in-out warehouse.

 

 

Q4: Which kind of processing can you do?

A4: We do machining processing like cutting, milling, grinding, turning, peeling, drilling, CNC machining. Meanwhile, we do vacuum heat treatment for die and mold.