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Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube
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Brand Name:Torich
Payment Terms:L/C, T/T
Model Number:GB/T 18254
Certification:ISO 9001 ISO14001
Delivery Time:60-90days
Price:negotiable
Company Data
Verified Supplier
Contact Person
Richard SHEN
Business Type:
Manufacturer Distributor/Wholesaler Importer Exporter Trading Company Seller
Officials:
Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
Quality:
Quality Certifitation Available
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Product Details
Company Profile
Product Details
Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube Bearing tubes&steel tubes
High Carbon Chromium Bearing Steel Tube GB/T 18254:2002
Size:
OD 5-100mm
WT 0.5-15mm
Length: 12000mm
Application: Bearing, Bearing Parts
Steel pipe OD, Thickness and permissible
| Steel pipe type amd production method | Size | size range | permissible variation | ||
| hot rolled steel pipe | Assel rolling+peeling | OD | 55-148 | ±0.15 | |
| ＞148-170 | ±0.20 | ||||
| thickness | 4-8 | +20% | |||
| ＞8-34 | +15% | ||||
| Assel hot rolled | OD | 60-67 | ±0.35 | ||
| ＞75-100 | ±0.50 | ||||
| ＞100-170 | ±0.50% | ||||
| thickness | OD＜80 | ＜80 | +12% | ||
| OD≥80 | ≥80 | +10% | |||
| cold drawn steel pipe | OD | ≤65 | +0.2 | ||
| -0.10 | |||||
| ＞65 | ±0.20 | ||||
| thickness | 3-4 | +12% | |||
| ＞4-12 | +10% | ||||
| other production methods | negatiated by the parties and indicated into contract | ||||
| Steel Curvature | |||
| steel type | curvature/(mm*m)≤ | total curvature/mm ≤ | |
| hot rolled round steel | 4 | 0.4%*steel length | |
| hot rolled&annealed round steel | 3 | 0.3%*steel length | |
| hot forged round steel | 5 | 0.5%*steel length | |
| cold drawn round steel | Diameter≤25mm | 2 | 0.2%*steel length |
| Diameter＞25mm | 1.5 | 0.15%*steel length | |
| steel pipe | thickness≤15mm | 1 | 4 |
| thickness＞15mm | 1.5 | ||
| Grade and chemical composition | |||||||||||||
| No. | Grade | C | Si | Mn | Cr | Mo | P | S | Ni | Cu | NI+Cu | moulded steel | continuously cast steel |
| not exceeding | |||||||||||||
| B00040 | GCr4 | 0.95-1.05 | 0.15-0.30 | 0.15-0.30 | 0.35-0.50 | ≤0.08 | 0.025 | 0.02 | 0.25 | 0.2 | 15*10-6 | 12*10-6 | |
| B00150 | GCr15 | 0.95-1.05 | 0.15-0.35 | 0.25-0.45 | 1.40-1.65 | ≤0.10 | 0.025 | 0.025 | 0.3 | 0.25 | 0.5 | 15*10-6 | 12*10-6 |
| B01150 | GCr15SiMn | 0.95-1.05 | 0.45-0.75 | 0.95-1.25 | 1.40-1.65 | ≤0.10 | 0.025 | 0.025 | 0.3 | 0.25 | 0.5 | 15*10-6 | 12*10-6 |
| B03150 | GCr15SiMo | 0.95-1.05 | 0.65-0.83 | 0.20-0.40 | 1.40-1.70 | 0.30-0.40 | 0.027 | 0.02 | 0.3 | 0.25 | 15*10-6 | 12*10-6 | |
| B02180 | GCr18Mo | 0.95-1.05 | 0.20-0.40 | 0.25-0.40 | 1.65-1.95 | 0.15-0.25 | 0.025 | 0.02 | 0.25 | 0.25 | 15*10-6 | 12*10-6 | |
Condition of delivery
WHR Hot rolling and hot forging unannealed round steel
WHSTAR Hot rolling and hot forging soft annealed round steel
WHTGR Hot rolling spheroids annealed round steel
WHTGSFR Hot rolling spheroids annealed peeled round steel
WHSTASFR Hot rolling and hot forging soft annealed peeled peeled round steel
WCR Cold drawn(cold rolled)round steel
WCSPR Cold drawn(cold rolled)polished round steel
WHT Hot rolling steel tube
WHTASFT Hot rolling annealed peeled steel tube
WCT Cold drawn(cold -rolled)steel tube
After negotiation of the customer and supplier (stipulated in contract),the delivery condition can be “Annealed+phosphatized+micro drawing”+”Annealed+micro drawing”etc
WHWY Wire rod steel (hot rolling or spheroids annealed)
| Hardness of Annealed steel products | |
| Grade | HBW |
| GCr4 | 179-207 |
| GCr15 | 179-207 |
| GCr15SiMn | 179-217 |
| GCr15SiMo | 179-217 |
| GCr18Mo | 179-207 |
Degree of Material purity
| Non-metal inclusion Quanlified Level | ||
| Non-metal inclusion Type | Qualified Level Not exceed | |
| Thin type | Thick type | |
| A | 2.5 | 1.5 |
| B | 2 | 1 |
| C | 0.5 | 0.5 |
| D | 1 | 1 |
| Coloring requirements for different grades | |
| Grade | Color |
| GCr4 | one green+one white |
| GCr15 | one blue |
| GCr15SiMn | one green+one blue |
| GCr15SiMo | one white+on yellow |
| GCr18Mo | two green |
Company Profile
TORICH INTERNATIONAL LIMITED
Who We are ？
-------A professional steel pipes materials inventor, manufacturer
and solution provider
Torich International Limited is a professional manufacturer
and exporter of steel pipes materials. It is an international
marketing and sales company specialized in steel tubes, which holds
the factories of Seamless Steel Tubes with Carbon and Alloy Steel
Grade, Welded Precision Steel Tubes，DOM Steel Tubes, Seamless &
Welded Stainless Steel Tubes with Nickel and Alloy Steel Grade.
Our factory was established since 1997, with the name of Haiyan
Sanxin Steel Pipe Co., Ltd. The factories’ technicians are of great
engineering experience in steel pipe industry for more than 20
years, which are in great command of production technology for Cold
Drawing and Cold Rolling. So we have strong technician team and
manufacturing capability.
What products we do？
------- Invent and produce various Precision Steel Pipes
Our steel pipes cover the following ranges:
Seamless Precision Steel Pipes
Bearing Steel Tubes
Welded Precision Steel Pipes, with DOM production
Seamless Heat Exchanger Steel Pipe
Seamless Boiler Steel Pipes
Honed Tubes
Hydraulic Cylinder Steel Tubes
Hydraulic Telescopic Cylinder Tubes
Seamless Structural Steel Pipes
Seamless Mechanical Steel Pipes
Seamless Alloy Steel Tubes & Pipes
Seamless Stainless Steel tubes
Welded Stainless Steel Tubes
Seamless Stainless Steel Tubes & Pipes
Welded Stainless Steel Tubes & Pipes
Seamless Carbon Steel Tubes & Pipes
Nickel Alloy Steel Tubes & Pipes
What TORICH do:
1. Producing Steel Tubes
2. Selling both on Domestic and International Market
3. Precisely Targeting Customers’ Requirement- Sourcing the right
factory for right products for Customers
Products Application:
Oil Cylinders
Air Cylinder,
Automotive Cylinder Liners
Boilers, Pressure Vessels
Shell & Heat Exchangers
Jack Lifting
Telescopic Systems
Pneumatic Cylinders
Agricultural Machineries
Size range is:
O.D. 4-350mm,
W.T. 0.5-30mm,
Length: according to customer’s requirement and agreement
Steel Grade:
Carbon Steel Grade:
ST35.8, ST37.0, ST44, ST52;
E155, E195, E215, E235, E275, E355;
195GH, P235GH, P265GH, P195TR1, P195TR2, P235TR1, P235TR2, P265TR1,
P265TR2;
SAE1010, SAE1020, SAE1026, SAE1035, SAE1045;
Carbon steel tube: SA178, A179, A192, A210, SA213, SA214, etc.
Alloy Steel Grade:
T2, T5, T9, T11, T12, T17, T21, T22, T91,T92, 15Mo3,16Mo3,
13CrMo44;
SAE4130, SAE4140, 40Cr, 40Cr4, 10CrMo910, 12CrMo910, 11CrMo910,
25CrMo4, 35CrMo, 35CrMo4, 42CrMo4, 34CrMo4, 20MnV, 20MnV6,20CrMn;
Carbon steel tube: A179,A192,A210,DIN17175,etc.
Bearing Steel Grades:
GCr15 52100 suj2 suj3 100Cr6 SKF3S SKF3S 20CrNiMo 8620H 4118H;
Nickel Alloy Grade:
N02200/2201, N04400, N06600, N06601, N06625, N06852, N06219,
N06690, N08800/8810/8811, N08825, N08028, N08535, N08904, N08925,
N08926, N010276, N06022, etc.
Austenitic/Super Austenitic Stainless Steel Grade:
304/304L, 316/316L, 314, 321, 347H, 316Ti, 316LMod, 317L/N, 310S,
253MA, 330, 904L, S31254, XM-19, etc.
Ferrite/Martensite Stainless Steel Grade:
TP410, TP405, TP420, TP430, TP430Ti, TP403, TP409, TP444, TP439,
TP446, etc.
Duplex/Super Duplex Stainless Steel Grade:
S31803, S32304, S31500, S32550, S32750, S32760, etc.
Corporate Culture:
We focus on Quality First, Quality Traceability, and Quality
Stability!
We focus on Customer First, People First, and Quality-Oriented!
Success:
First factory started in 1997, in the name of Torich , now covers
50000 square meters of factory building, with more than
100employees, and over 45 million RBM assets.
In 2008, we started the company of Torich International
Limited for international business and marketing.
Welcome partners from all over the world for long term cooperation!
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