50mm steel ball products from China (Mainland),buy 50mm steel ball by 50mm from seekpart.com

    We have been produced high carbon chrome steel ball and high carbon chrome stainless steel ball for 52 years.
    We were the first factory of steel ball in China. We made a significant contribution for new China.
    We have provided associated facilities successfully for binding long march 2 rocket, China homemade intercontinental ballistic missile, nuclear reactor slew shielded piston of 2008 Beijing Olympic Games, 76mm self-propelled gun of navy’s headquarters, Tian Gong 1 Spacelab in 2014 and registered by military ministry of China.

At the same time, we have obtained the quality system of ISO9001:2008.

High Carbon Chrome Steel Ball For Bearing

1)Material Comparison List

CHINA	USA	JAPAN	GERMANY	FRANCE	ENGLAND	ITALY
GB	AISI	JIS	DIN	BS	BS	UNI
GCr15	52100	SUJ-2	100Cr6	100C5	Si35534A99	SKF3

2)Products information

NAME	High carbon chrome steel ball
SIZE	19.05mm-250mm
Materials	GCr15
Hardness	58--66
Application	Auto industry , Wind Power , Slewing bearing , Tower crane, Marine Machinery, Aerospace Industry , Military industry, Mine Nuclear power industry, Agricultural machinery, Oil platform, Chemical Industry
Quality Standard	ISO9001:2008
Characteristics and advantages	We are the only manufacturer of producing over 150mm high carbon chrome steel ball. Our products covered 19.05mm-250mm. Our products of accuracy covered G10-G1000. We are the only professional manufacturer of producing (3/4”-10”) steel ball and (3/4”-5”) stainless steel ball. We can accept customer's special requirements. We are the only manufacturer of producing the large - size steel balls in China.

3)Chemical composition

MATERIAL	C	Si	Mn	Cr	Mo	P	S	Ni	Cu	Ni+Cu
GCr15	0.95-1.05	0.15-0.35	0.25-0.45	1.4-1.65	≤0.1	≤0.025	≤0.025	≤0.3	≤0.25	≤0.5
GCr15SiMn	0.95-1.05	0.45-0.75	0.95-1.25	1.4-1.65	≤0.1	≤0.025	≤0.025	≤0.3	≤0.25	≤0.5

4)process

Process equipment

forging equipment and Forging products:

semifinished product steel ball 02.JPG

flashing equipment and flashing products:

heat treatment equipment and heat treatment products:

quench furnace automatic production line 03.JPG

grinding equipment and grinding products:

initial grinding equipment and products:

lapping equipment,super lapping equipment andproducts:

We can provide the good quality of services, fast delivery and competitive prices. We are willing to accept customer’s the special requirements and do well every steel ball for customers. The world is our market. Believe us, please choose the Triangle brand!

Company's Overview Shenyang Steel Ball Co., Ltd. was founded in 1958 and has produced professional steel balls for 50 years. Over the years, ''quality first'' has been our purpose. Our company is located in Shenyang, with convenient transportation. Our company covers an area of 80,000 square meters with construction area of 20,000 square meters and has more than 200 employees and 18 engineers and technicians. Our company is the leading company of producing large steel balls and technology-based balls in China. We have the high reputation and credibility in the steel ball industry. The main products are 19.05mm-200mm. Our ''Triangle'' steel balls and non-standard steel balls of various materials conform to GB/T308-2002 standard and we provide necessary high-quality valve seats and valve balls for pumps in the oil industry. This product replaced the import goods and filled the gap in China. It has got the award of Progress of National Science and Technology. Our ''Triangle'' steel balls support ball bearings and slewing bearings used in large wind power industry, machinery, aerospace, marine, metallurgy, petroleum, chemical industry and national defense industry. They are sold to the USA, Germany, South Korea, Japan and other countries and regions. Our export value accounted to more than 76% of the total production value this year. Our products have participated in and completed the launch of long march series. The launch of large destroyers, offshore oil drilling platforms, nuclear reactor projects, bearing rotating shield plug and other major projects are commended by the State Council and the State Central Military Commission. Our company has made great contribution to China's economic construction and national defense. With the development of market economic system, market competition is more and more intense. Our company has been restructuring our products in recent years. We will pay attention to improving the precision of grade balls and inner quality. We will ensure the reliability and stability of steel balls and prolong the service life of steel balls. In order to do this, we have strengthened the technical building and fulfilled the necessary technology. We improve the management system and implement the best quality control mode. We are catching up the international advanced level of ball manufacturing. Our company persists in ''win-win cooperation'' business philosophy with honesty and trust. We will inherit and develop the fine tradition of manufacturing large balls. In recent year, our company has gone to a new level on production process, technical process, production equipment construction and production capacity. Our business philosophy is ''honest purpose, win-win cooperation''. We adhere to the quality policy of "win by quality, pursuit of perfection, build a band''. We are willing to provide high quality ''Triangle'' steel balls and services. We are looking forward to being one of your faithful friends.

50mm steel ball

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