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28 inch large diameter GCr15SiMn 52100 100CrMn6 1.3502 seamless steel tube hot finished seamless carbon alloy steel pipe GCr15
28 inch large diameter GCr15SiMn 52100 100CrMn6 1.3502 seamless steel tube hot finished seamless carbon alloy steel pipe GCr15
28 inch large diameter GCr15SiMn 52100 100CrMn6 1.3502 seamless steel tube hot finished seamless carbon alloy steel pipe GCr15
28 inch large diameter GCr15SiMn 52100 100CrMn6 1.3502 seamless steel tube hot finished seamless carbon alloy steel pipe GCr15
28 inch large diameter GCr15SiMn 52100 100CrMn6 1.3502 seamless steel tube hot finished seamless carbon alloy steel pipe GCr15
28 inch large diameter GCr15SiMn 52100 100CrMn6 1.3502 seamless steel tube hot finished seamless carbon alloy steel pipe GCr15
28 inch large diameter GCr15SiMn 52100 100CrMn6 1.3502 seamless steel tube hot finished seamless carbon alloy steel pipe GCr15
28 inch large diameter GCr15SiMn 52100 100CrMn6 1.3502 seamless steel tube hot finished seamless carbon alloy steel pipe GCr15

28 inch large diameter GCr15SiMn 52100 100CrMn6 1.3502 seamless steel tube hot finished seamless carbon alloy steel pipe GCr15

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≥1000 Kilograms
US $0.96
≥25000 Kilograms
US $0.8
≥50000 Kilograms
US $0.6
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Quick Details

Oiled or Non-oiled:
Non-oiled
Invoicing:
by actual weight
Place of Origin:
Shandong, China
Brand Name:
Meide
Outer Diameter:
4 - 2420 mm
Thickness:
4mm-150mm
Grade:
GCr15SiMn 100CrMn6 1.3502
Product name:
Alloy Seamless Steel Pipe/tube
Keyword:
Steel Pipe Tube
MOQ:
1 Ton
Material:
ASTM 5120 5140
Type:
Seamless Alloy Steel Tube/pipe
Technique:
Hot Rolled Cold Rolled
Packages:
Sea Worthy Packaging
End protector:
Plastic Pipe Cap
Package:
Seaworthy Standard Package
Pipe end:
Grooved Plain Threaded

Quick Details

Section Shape:
Round
Surface Treatment:
Hot Rolled
Tolerance:
±5%, ±1%
Oiled or Non-oiled:
Non-oiled
Invoicing:
by actual weight
Place of Origin:
Shandong, China
Brand Name:
Meide
Outer Diameter:
4 - 2420 mm
Thickness:
4mm-150mm
Grade:
GCr15SiMn 100CrMn6 1.3502
Product name:
Alloy Seamless Steel Pipe/tube
Keyword:
Steel Pipe Tube
MOQ:
1 Ton
Material:
ASTM 5120 5140
Type:
Seamless Alloy Steel Tube/pipe
Technique:
Hot Rolled Cold Rolled
Packages:
Sea Worthy Packaging
End protector:
Plastic Pipe Cap
Package:
Seaworthy Standard Package
Pipe end:
Grooved Plain Threaded
Alloy Steel 52100, as known as AISI 52100, contains a high level of carbon and chromium. This alloy offers users good
machinability, as well as forming through conventional methods. The hardening of Alloy Steel 52100 can be achieved by cold working, heating, and quenching.
Heat Treatment
Quenching
Tempering
Heating Temperature/ºC
Cooling
Hardness/HRC
Heating Temperature/ºC
Cooling
Hardness/HRC
830-850
Oil
62-65
150-190
Air
58-62

Heat Treatment for ASTM 52100 Bearing Steel .

ASTM/AISI 52100 alloy bearing steel is heated at 816°C followed by quenching in oil. Before performing this process, it is
subjected to normalizing heat treatment at 872°C followed by slowly cooling in order to reduce the machining stress.
Hot Working
AISI 52100 bearing steels alloy can be hot worked at 205 to 538°C.
Cold Working
AISI 52100 bearing steel can be cold worked using conventional techniques in the annealed or normalized conditions.
Annealing
For spheroidize anneale, the following isothermal anneal is recommended:
* 1500ºF (815ºC) for 3 hours
* 1350ºF (735ºC) for 4 hours
* 1250ºF (675ºC) for 3 hours
* Slow cool to 1000ºF (540ºC) then air cool.
Quenching
AISI 52100 alloy bearing steel could be hardened by quenching in water from 801-829 degree or quench in oil from 816-842 degree.
Tempering
Temper to desired hardness as indicated by tempering curves after water or oil quench.
Grade and Chemical Composition (%) :
Grades
C
Si
Mn
P
S
Cr
Mo
Cu
Ni
GCr15/52100
0.95-1.05
0.15-0.35
0.2-0.4
≤0.027
≤0.02
1.3-1.65
≤0.1
≤0.25
≤0.3
GCr15SiMn
0.95-1.05
0.45-0.75
0.95-1.25
≤0.025
≤0.025
1.4-1.65
≤0.1
≤0.25
≤0.3
100Cr6
0.95-1.05
0.15-0.35
0.25-0.45
≤0.025
≤0.025
1.4-1.65
≤0.08
≤0.25
≤0.3
440C
0.9-1.0
0.80
0.80
≤0.035
≤0.030
16-18
≤0.75
≤0.25
≤0.60
100CrMn6
1.05
0.75
1.25
0.025
0.025
1.65
0.1
0.25
0.3
Manufacturing Technique
About us
Shandong Meide Import And Export Co., Ltd. focuses on the production and sales of forging, Shaped tubing, seamless tube, alloy steel, steel processing general machinery and equipment. The company has passed IS09001:2000 quality system certification, SGS, ROSH, TUV, REACH and other certifications. We can customize and develop new products according to customers' actual application, and provide products with different cost performance and performance requirements.
Packaging and Transportation
Product Inventory
Certifications
FAQ
Q1:who are we?
A:We are based in Shandong, China, start from 2022,sell to North America(60.00%),Western Europe(14.00%),South America(6.00%).There are total about 11-50 people in our office.
Q2. how can we guarantee quality?
A:Always a pre-production sample before mass production; Always final Inspection before shipment;
Q3.what can you buy from us?
A:Copper,Aluminum,Mould steel, Seamless carbon steel,Precision steel pipe,The steel plate,Alloy steel Titanium,Custom machine parts
Q4.why should you buy from us not from other suppliers?
A:Shandong Meide Import and Export Co., Ltd. has 25 years of production experience. With advanced precision production equipment and modern large warehouses, has a stockpile of 200,000 tons of goods, has a number of long-term stable cooperative customers.
Q5.what services can we provide?
A:Accepted Delivery Terms: FOB,CFR,CIF,EXW;Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,D/P D/A,PayPal;Language Spoken:English,Chinese
Q6.Can we get the some samples?Any charges?
A:Yes,you can get available samples in our stock.Free for real samples,but customers need to pay the freight cost.
Q7.How can we get your price ?
A:We need below information to quote for you:
1). Product Name
2). Standard
3). Material Grade (Chemical Composition)
4). Dimension
5). Quantity
6). The Drawing for Special Parts
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