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合金鋼丸俗稱鋼丸、彈丸、鋼粒、，是鑄鐵丸和鐵丸的替代產品, 該產品采用精選的原材料廢鋼，添加稀有金屬及配比合金，經電爐熔煉，現代化設備生產轉化為鋼粒，并經多次電熱處理、自動篩選，在液體金屬形成鋼粒的過程中，其化學成份、粒度都受到嚴格控制，以確保其機械性能符合各種用途。

合金的應用范圍：

1、清理：拋丸清理、噴丸清理、壓鑄件清理、鑄件拋丸清理、鍛件拋丸清理、鍛件噴丸清理鑄件清砂、鋼板清理、鋼材清理、鋼板清理、H型鋼清理、鋼結構清理。

2、除銹：拋丸除銹、噴丸除銹、鑄件除銹、鍛件除銹、鋼板除銹、鍛件除氧化皮、鋼材除銹、H型鋼除銹、鋼結構除銹。

3、強化：拋丸強化、熱處理件噴丸強化、齒輪噴丸強化。
4、噴丸：型鋼噴丸、型鋼噴砂、船板拋丸、鋼板噴丸、鋼材噴丸。
5、拋丸：鋼板拋丸、鋼材拋丸、型鋼拋丸。
6、打砂：打砂處理。
7、預處理：涂裝前處理、涂裝預處理、表面預處理、船板預處理、型鋼預處理、鋼材預處理、鋼板預處理、鋼結構前處理。

合金的適用設備：
主要適用于滾筒式、鏈式、吊鉤式、履帶式、通過式、轉臺式、積放式、步進式、臺車式拋丸機（拋丸器）、拋丸清理機、拋丸清理設備、噴丸機、噴拋丸、噴丸設備、噴砂機、噴砂設備、除銹設備，鋼材預處理生產線、鋼板預處理生產線、鋼結構預處理生產線、砂房中的設備。

Cast steel shot, steel shot, commonly known as grain, iron and iron, is a pill pill replacement product, this product uses the selection of raw materials scrap, the optimum proportion adding rare metal and alloy, the electric furnace smelting, modernization of equipment into the steel grain production, and after repeated heating processing, automatic screening, in liquid metal forming steel grit in the process, chemical composition, particle size are subject to strict control, to ensure that its mechanical properties can meet the various purposes.

Application range of cast steel shot:
1, cleaning: shot blasting, shot blasting, casting cleaning, shot blasting castings, forgings, forging casting blasting blasting clean sand, steel plate cleaning, steel plate cleaning, cleaning, cleaning, H type steel steel structure.
2, cleaning: blast cleaning, shot peening, casting derusting, forgings derusting, forgings descaling, steel rust, rust steel, H steel, steel rust rust.
3, strengthen: shot blasting strengthening, heat treatment, shot peening, gear shot peening strengthening.
4, shot peening: steel shot, steel plate, steel shot blasting, shot blasting, steel shot.
5, shot blasting: steel shot, steel shot, steel shot blasting.
6, sand: sand processing.
7, steel pretreatment: pretreatment, coating pretreatment, surface pretreatment, plate pretreatment, steel pretreatment, steel pretreatment, steel pretreatment, steel pretreatment.
The equipment is alloy steel shot:
Steel mainly used in roller, chain, hook type, crawler, by type, rotary, accumulating, stepping, abrators (shot blasting), shot blasting machine, shot blasting equipment, shot blasting machine, shot blast, blasting equipment, blasting machine, blasting equipment, blasting equipment. Steel pretreatment production line, steel pretreatment production line, steel pretreatment production line in the sand.http://huikor.com/st6871/list_353058.html

合金主要技術指標：

名稱		（）合金
化學成分	碳（C）	0.70~1.20%
	錳（Mn）	0.35~1.20%
	硅（Si）	0.40~1.20%
	硫（S）	≤0.05%
	磷（P）	≤0.05%
平均硬度（500g荷載下測定）		常規：40~50HRC （377~509HV）特殊：52~56HRC （543~620HV）特殊：56~60HRC （620~713HV）
硬度偏差		zui大偏差范圍為±3.0HRC或者±40HV
金相組織		均勻的回火馬氏體或回火屈氏體+彌散分布碳化物
zui小密度（酒精置換法測定）		7.2g/cm3

合金粒度分布表

篩網號	英寸	篩網孔徑	SAE J444
篩網號	英寸	篩網孔徑	S930	S780	S660	S550	S460	S390	S330	S280	S230	S170	S110	S70
6	0.132	3.35	All Pass
7	0.111	2.80		All Pass
8	0.0937	2.36	≥90%		All Pass
10	0.0787	2.00	≥97%	≥85%		All Pass	All Pass
12	0.0661	1.70		≥97%	≥85%		≤5%	All Pass
14	0.0555	1.40			≥97%	≥85%		≤5%	All Pass
16	0.0469	1.18				≥97%	≥85%		≤5%	All Pass
18	0.0394	1.00					≥96%	≥85%		≤5%	All Pass
20	0.0331	0.850						≥96%	≥85%		≤10%	All Pass
25	0.0280	0.710							≥96%	≥85%		≤10%
30	0.0232	0.600								≥96%	≥85%		All Pass
35	0.0197	0.500									≥97%		≤10%
40	0.0165	0.425										≥85%		All Pass
45	0.0138	0.355										≥97%		≤10%
50	0.0117	0.300											≥80%
80	0.007	0.180											≥90%	≥80%
120	0.0049	0.125												≥90%
200	0.0029	0.075
GB			2.8	2.5	2.0	1.7	1.4	1.2	1.0	0.8	0.6	0.4	0.3	0.2