Low MOQ for High Strength and Toughness Steel Tube 4140 16mn 52100 Gcr15 8620 20crmnti 5120 Seamless High Precision Alloy Round Steel Pipe for Gear Shaft Parts

Adhering towards the theory of “quality, support, efficiency and growth”, we’ve attained trusts and praises from domestic and international client for Low MOQ for High Strength and Toughness Steel Tube 4140 16mn 52100 Gcr15 8620 20crmnti 5120 Seamless High Precision Alloy Round Steel Pipe for Gear Shaft Parts, We’re one from the largest 100% manufacturers in China. Several large trading corporations import goods from us, so we will supply you with the most effective price tag with all the same quality if you are interested in us.
Adhering towards the theory of “quality, support, efficiency and growth”, we’ve attained trusts and praises from domestic and international client for , As a way to use the resource on the expanding info in international trade, we welcome prospects from everywhere on the web and offline. In spite on the high quality objects we offer you, effective and satisfying consultation service is supplied by our qualified after-sale service group. Item lists and in depth parameters and any other info weil be sent to you timely for the inquiries. So you should make contact with us by sending us emails or call us when you’ve got any questions about our organization. ou could also get our address information from our site and come to our enterprise. We get a field survey of our merchandise. We’re confident that we are going to share mutual accomplishment and create solid co-operation relations with our companions within this market place. We’re seeking forward for your inquiries.

It has high and uniform hardness and good wear resistance. It is used to make small section quenching and tempering parts with large load and large normalizing parts with small stress.

Usage: used for making various bearing rings and rolling bodies. For example: making internal combustion engine, electric locomotive, automobile, tractor, machine tool, steel rolling machine, drill Steel rollers and ferrules for transmission bearings of exploration machines, mining machinery, general machinery and high-speed rotating machinery with high load.

Products: GB/T18254 GCr15 Stainless Bearing Steel Tube.
Standard: SKF/ ASTM/DIN/JIS/BS/GB.
Size(mm): OD:8mm ~ 101.6mm; WT:1.0mm ~ 10mm.
Length: Fixed(6m,9m,12,24m) or normal length(5-12m).

1. Ordinary annealing: heating at 790-810 ℃, furnace cooling to 650 ℃, air cooling – hb170-207.

2. Isothermal annealing: 790-810 ℃ heating, 710-720 ℃ isothermal, air cooling – hb207-229.

3. Normalizing: 900-920 ℃ heating, air cooling – hb270-390.

4. High temperature tempering: 650-700 ℃ heating, air cooling – hb229-285.

5. Quenching: 860 ℃ heating, oil quenching – hrc62-66.

6. Low temperature tempering: 150-170 ℃ tempering, air cooling – hrc61-66.

7. Carbonitriding: 820-830 ° C for 1.5-3 hours, oil quenching, – 60 ° C to – 70 ° C cryogenic treatment + 150 ° C to + 160 ° C tempering, air cooling – HRC ≈ 67.

1) Equivalent standard of Gcr 15/AISI 52100 Bearing Steel pipe
GB GCr15 bearing steel is GB standard Alloy Bearing steel, It belong to the high quality high carbon, alloy chromium,manganese steel. GB GCr15 properties is a chromium,manganese alloy steel specification. GCr15 is equivalent to AISI 52100, DIN 100Cr6. Most applications can replace each others.

2)Chemical composition

3) Thermal properties of Gcr 15/AISI 52100 Bearing Steel Pipe

Process: Cold Rolled, Cold Drawn, Hot Rolled, Hot rolled+Cold Drawn.

Delivery Condition: Cold Finished, Hot Finished, Annealed, Spheroidize Annealed, Quenched and Tempered.

Surface: Black, Peeled (K12), Turned & Polished (H10, H11), Precision Ground (H9, H8), Honed or SRB(H9, H8).

1. Cleanliness and freedom from objectionable microscopic slag type inclusions.

2. Shallow decarburized surface.

3. Good surface quality.

4. Excellent micro-structure uniformity.

5. Tight tolerances, resulting in reduced machine time.

6. Wear resistance, long service life.

Third Party inspection acceptable. such as SGS, BV etc.

1. Mainly used for manufacturing ordinary rolling bearing ring.

2. Other applications such as used for automotive industry and bearings in rotating machinery.

Adhering towards the theory of “quality, support, efficiency and growth”, we’ve attained trusts and praises from domestic and international client for Low MOQ for High Strength and Toughness Steel Tube 4140 16mn 52100 Gcr15 8620 20crmnti 5120 Seamless High Precision Alloy Round Steel Pipe for Gear Shaft Parts, We’re one from the largest 100% manufacturers in China. Several large trading corporations import goods from us, so we will supply you with the most effective price tag with all the same quality if you are interested in us.
Low MOQ for Seamless Pipe and Black Pipe, As a way to use the resource on the expanding info in international trade, we welcome prospects from everywhere on the web and offline. In spite on the high quality objects we offer you, effective and satisfying consultation service is supplied by our qualified after-sale service group. Item lists and in depth parameters and any other info weil be sent to you timely for the inquiries. So you should make contact with us by sending us emails or call us when you’ve got any questions about our organization. ou could also get our address information from our site and come to our enterprise. We get a field survey of our merchandise. We’re confident that we are going to share mutual accomplishment and create solid co-operation relations with our companions within this market place. We’re seeking forward for your inquiries.