Complaint
component | C | Si | Mn | P | S | Cr | Ni | Mo |
minimum value | 0.17 | - | 0.65 | - | - | 0.4 | 0.4 | 0.15 |
Maximum value | 0.23 | 0.4 | 0.95 | 0.035 | 0.035 | 0.7 | 0.7 | 0.25 |
GB | ISC | CNS | JIS | KS | ASTM/AISI | UNS | ISO | DIN EN/DIN | W-Nr. |
20CrNiMo | A50202 | SNCM220 | SNCM220 | SNCM220 | 8620 | G86200 | 20NiCrMo2 | 21NiCrMo2 | 1.6523 |
| Item | Hard Chromed Rod | Induction Hardened Chromed | Nickel and Chrome Plating Bars |
| Roundness | Diameter tolerance / 2 | diameter tolerance / 2 | diameter tolerance / 2 |
| Standard Length | -for Ø ≤ 60 mm: 5600 -6200mm -for Ø≥60 mm: 5800 -7200mm Upon request: special lengths on all diameters | - for Ø ≤ 60 mm: 5600 - 6200 mm - for Ø ≥ 60 mm: 5800 - 7200mm Upon request: special lengths on all diameters | Up to 6000 mm Upon request: special lengths on all diameters |
| Surface Roughness | Ra max. 0.20 µm (statistic average: 0.05-0.15 µm) | Ra max. 0.20 µm (statistic average: 0.05- 0.15 µm) | Ra max. 0.20 µm (statistic average: 0.05-0.15 µm) |
| Chrome Layer Thickness | min. 900 HV (0.1) | min. 900 HV (0.1) | min. 25 µm |
| Straightness | ≤ Ø16 mm: max. 0.3 mm: 1000 mm > Ø16 mm: max. 0.2 mm: 1000 mm | ≤ Ø16 mm: max. 0.3 mm: 1000 mm > Ø16 mm: max. 0.2 mm: 1000 mm | max.0.20 mm/1000 mm |
condition | Heat treatment or condition | tensile strength σb Mpa | Reduction of area ψ % |
Hot rolled bar and wire | Spheroidizing annealing (GKZ) or spheroidizing annealing (GKZ)+peeling (SH) | ≤460 | ≥65 |
Pulling products | Cold drawing (K)+spheroidizing annealing (GKZ) | ≤460 | ≥65 |
Pulling products | Cold drawing (K)+spheroidizing annealing (GKZ)+finishing (K) | ≤490 | ≥65 |
Packaging | 1. by bundles, each bundle weight under 3 tons, for small outer diameter steel bars, each bundle with 4 - 8 steel strips. 2. after making by bundle, covered with Polyethylene waterproof cloth. 3. make black paints painting on each bar, then make bundles |
| 20 feet container contains dimension | Length under 6000mm |
| 40 feet container contains dimension | Length under 12000mm |
| By bulk vessel | Freight charge is low by bulk cargo, and large heavy sizes can not be loaded into containers can shipping by bulk cargo |
1. Who are we?
Our headquarter is located in Shandong, China. Since 2022, we have sold to North America (60.00%), Western Europe (14.00%) and South America (6.00%). There are about 11-50 people in our office.
2. How do we guarantee quality?
Always provide pre-production samples before mass production;
Always carry out final inspection before shipment;
3. What can you buy from us?
Copper, aluminum, die steel, titanium, customized machine parts
4. Why should you buy from us instead of other suppliers?
The company has 25 years of production experience. It has advanced precision production equipment, modern large warehouse, 200000 tons of inventory goods and a number of long-term stable cooperative customers.
5. What services can we provide?
Accepted delivery conditions: FOB, CFR, CIF, EXW
Accepted payment currency: US dollar, Euro, Japanese yen, Canadian dollar, Australian dollar, Hong Kong dollar, British pound, RMB, Swiss franc;
Accepted payment type: T/T, L/C, D/P D/A, PayPal;
Optional ports: Tianjin, Shanghai, Guangzhou;
Spoken: English, Chinese
6. How can we get your price?
A. We need the following information to quote for you:
1). Product Name
2). standard
3). Material grade (chemical composition)
4). dimension
5). amount
6). Special part drawin
