Rare Earth Alloy Wear-resistant Pipe

Suitable for power plant coal grinding systems, pulverizing systems, slag discharge systems, coal conveying, dust collection systems; heavy medium coal washing system conveying pipelines; metallurgical system blast furnace slag conveying and pneumatic/hydraulic slurry material conveying pipelines, etc.

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Product Details

Product Model: Customized as required

Product Shape: Straight pipes, elbows, bends, tees, reducers, and other customized fittings.

Scope of Application: Suitable for power plant coal grinding systems, pulverizing systems, slag discharge systems, coal conveying, dust collection systems; heavy medium coal washing system conveying pipelines; metallurgical system blast furnace slag conveying and pneumatic/hydraulic slurry material conveying pipelines, etc.

Product Introduction

Rare earth wear-resistant alloy pipelines contain various alloy elements such as Cr, Ni, V, Mo, W, Cu, etc. They not only possess high hardness but also certain mechanical properties. They exhibit good weldability at room temperature, along with cuttability and the possibility of on-site hole opening, while also providing certain corrosion resistance.

Product Features

Good comprehensive performance: Based on alloy materials such as FeCr, FeMn, Ni, Re, FeSi, etc., ferrovanadium (FeV), ferroniobium (FeNb), and copper (Cu) are added.
High wear resistance: After adding FeV, FeNb, and Cu, the material's crystal grains become finer, strength increases, and plasticity is enhanced.
Strong high-temperature and corrosion resistance: The content of Cr and Cu elements determines the material's corrosion resistance.
Low resistance of the pipeline system operation.

Product Composition Table

No.	Code	Grade	Chemical Composition
			C	Mn	Si	Cr	Ni	Mo	W	V	Nb	Cu	Re N	S
1	JM1	ZGCr20Mo3Ni3Re	2.50/3.0	1.50/2.0	0.80/1.20	18.0/23.0	2.50/3.0	✓				1.20/1.50	✓	≤0.06
2	JM2	ZGCr28Mo3Ni3Re	2.80/3.30	1.50/2.0	1.80/1.20	25.0/30.0	2.80/3.30	✓				1.80/2.30	✓	≤0.06
3	JM3	ZGCr15Mo3Re	2.60/3.20	1.20/1.60	1.0/1.50	12.0/16.0		✓	2.50/3.0			1.80/1.20	✓	≤0.04
4	JM4	ZGCr25Ni4Si2Re	0.35/0.45	0.80/1.20	1.20/1.60	23.0/26.0	3.50/4.50	✓		✓			✓	≤0.035
5	JM5	ZGCr15Mo2Re	1.80/2.20	0.80/1.20	1.0/1.50	18.0	✓	✓				0.80/1.20	✓	≤0.04
6	JM6	ZG40CrMnMONiSiRe	0.40/0.50	1.20/1.60	1.50/2.0	1.10/1.60	1.0/1.50	✓		✓		✓	✓	≤0.035
7	JM7	ZG40Cr25Ni6MoWVCuRe	0.35/0.45	1.2/1.60	1.50/2.0	23.0/26.0	5.0/7.0	✓	✓	✓	✓	✓	✓	≤0.35
8	JM8	ZGW5Cr4Re	2.50/3.50	1.5/1.0	0.50/1.0	35.0/45.0	✓						✓	≤0.10
9	JM9	ZGCr25MoRe	2.30/3.0	0.50/0.90	0.30/0.60	23.0/28.0	✓						✓	≤0.06
10	JM10	ZGCr15MoRe	3.0/3.50	≤1.0	0.15/1.0	15.0/18.60		2.80/3.30					✓	≤0.06
11	JM11	ZG30CrMnSi	0.27/0.33	1.30/1.50	1.20/1.50	✓		✓					✓	≤0.03
12	JM12	ZG40CrNiRe	0.28/0.43	1.10/1.40				✓					✓	≤0.06
13	JM13	ZG33Cr13Ni4Re	0.30/0.35	≤0.80	≤0.60	12.0/14.0	4.0/4.50	✓					✓	≤0.06
14	JM14	ZG40CrSiN	0.35/0.45	1.0/1.50	1.50/2.0	✓		✓						≤0.04

Product Performance Table

No.	Code	Mechanical Properties						Hardness ≥HRC (≥HB)
		Yield Strength ≥MPa	Tensile Strength ≥MPa	Impact Toughness J/cm²	Operating Temp. °C	Abrasive Wear mg/g
1	JM1		790	11	1100	0.026	45	Q/321282
2	JM2		810	9	1050	0.023	51
3	JM3		890	5	300	0.021	63	JMB05-2001
4	JM4		910	16	1050	0.033	(400)
5	JM5		920	6	530	0.042	52
6	JM6		940	10	400	0.069	42	Q/321282
7	JM7	380	580	12	800	0.061	36	JMB06-2001
8	JM8		590	5	100	0.026	52	Q/321282
9	JM9		610	5.5	960	0.024	50
10	JM10		580	4.5	980	0.091	(441)	JMB08-2001
11	JM11		1700	10	750	0.12	(300)
12	JM12		960	6	600	0.69	(460)
13	JM13		920	7	850	0.039	48
14	JM14		950	7.5	450	0.064	40

Application Instructions

JM1, JM2, JM3, JM4, JM5: Suitable for power plants, metallurgical high-wear components, ash slurry pump impellers, sheath, shaft sleeves, front and rear guard plates, and medium-speed mill, E-type mill, MPS grinding roller sleeve, liner, and non-welded (flange, flexible connection) coal conveying elbow, etc., static abrasive wear components.

JM6, JM7: Used for steel plant pulverizing system medium-speed coal grinding pipes, gates, coal doors, elbows, straight pipes, screens, blast furnace lower lining plates, toothed plates, scrapers, slag scraper bottom plates, chains, etc., with impact wear-resistant components, power, metallurgy, mining pipelines.

JM8, JM9, JM10, JM11 mainly used for mine slag conveying and non-ferrous metal coal washing slag discharging and power plant powder conveying, ash discharging, and other conveying pipelines, tee, bend straight pipe large and medium-sized working conditions poor wear-resistant components, also can be used for coal mill liner, hammer ring, drop coal door, hammer door, etc., mechanical properties and welding performance are good and have single anti-wear performance under impact conditions.

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