Round Bar Rod Mold Tool Forged Steel Bright Alloy Steel Sncm220h SAE8620 (H) 20nicrmo2-2 1.6523 Black Hot Rolled 1 Ton Is Alloy

• Type: Round
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Composition: Alloy Steel
• Technique: Cold Drawn
• Shape: Bar
• Surface Treatment: Bright, Chrome Plated
• Model NO.: SNCM220H SAE8620(H)20NiCrMo2-2 1.6523
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
• Application: Wear-Resistant Steel, Cold Heading Steel, Free-Cut
• Transport Package: Standard Seaworthy Export Packaging or as Required
• Specification: 3000-9000mm
• Trademark: meide
• Origin: Shandong, China
• HS Code: 7215500000
• Production Capacity: 1000 Ton/Month

Product Description

About products

The physical properties of bearing steel mainly include microstructure, decarburized layer, non-metallic inclusion and macrostructure. Generally, the products are delivered by hot rolling annealing and cold drawing annealing. The delivery status shall be indicated in the contract. The macrostructure of steel must be free of shrinkage cavity, subcutaneous bubble, white spot and micro pore. The central porosity and general porosity shall not exceed grade 1.5, and the segregation shall not exceed grade 2. The annealed structure of steel shall be uniformly distributed fine-grained pearlite. The depth of decarburization layer, non-metallic inclusions and carbide unevenness shall comply with relevant national standards.

chemical composition

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

Approximate comparison table

 

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

Product Description

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

mechanical behavior

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

feature

1) High contact fatigue strength,
2) After heat treatment, it shall have high hardness or hardness that can meet the service performance requirements of the bearing,
3) High wear resistance, low friction coefficient,
4) High elastic limit,
5) Good impact toughness and fracture toughness,
6) Good dimensional stability,
7) Good rust resistance,
8) Good cold and hot working performance.

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

FAQ

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