25Mn/25MnA/25MnE Carbon Steel Bar-Jiangsu Jinruiheng metal Materials Co., LTD

Carbon Steel Profile

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25Mn/25MnA/25MnE Carbon Steel Bar

Update time：2024-04-26

Compared with other ordinary round bars, carbon steel round steel is of higher quality, and has more stringent chemical composition indicators, and carbon steel round steel plays an important role in the work of some deep-drawn products.

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Basic parameters

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PACKAGING

Excellent package: Anti-water paper and plastic film+covered by iron sheet+ strapped with min three strappingstrips+fixed on the iron or wooden pallets by strapping stripslt can effectively pratect products from corrosion andvarious climate changes during ocean transportation.

SHIPPING

We have long-term cooperation with many experiericed shipping companies, and we will find the most suitable transportation method for you.

Product parameters

Product Name	Carbon Steel Bar
Technique	Hot Rolled Cold Rolled
Width	10-300mm
Length	2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Standard	ASTM JIS AISI GB DIN EN
Application	Shipbuilding,Offshore Platform,Bridges,Boiler,Large Structure Steel,Architecture,Vehicles Components,High Pressure Container
Edge	Mill Edge /Slit Edge
Material	4140,42CrMo4 etc
Export Packing	PVC+ waterproof paper + strong sea-worthy wooden package
Container Dimension	20ftGP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM 40ftGP:12032mm(Length)x2352mm(Width)x2393mm(High) 54CBM 40ftHC:12032mm(Length)x2352mm(Width)x2698mm(High) 68CBM

Chemical Composition

Grade	C	Si	Mn	P	S	Cu	Cr	Ni
Cor-ten A	0.12	0.25-0.75	0.20-0.50	0.01-0.2	0.03	0.25-0.55	0.5-1.25	0.65
Cor-ten B	0.16	0.3-0.5	0.8-1.25	0.03	0.03	0.25-0.40	0.4-0.65	≤0.4
SPA-H	0.12	0.2-0.75	0.60	0.07-0.15	0.035	0.25-0.55	0.3-1.25	0.65
9CuPCrNi-A	0.12	0.2-0.75	0.20-0.50	0.07-0.15	0.040	0.25-0.55	0.3-1.25	0.65
Q235NH	0.13	0.10-0.40	0.20-0.60	0.03	0.030	0.25-0.55	0.40-0.80	0.65
Q295NH	0.15	0.10-0.50	0.30-1.00	0.03	0.030	0.25-0.55	0.40-0.80	0.65
Q355NH	0.16	0.5	0.50-1.50	0.03	0.030	0.25-0.55	0.40-0.80	0.65
Q415NH	0.12	0.65	1.10	0.025	0.030	0.20-0.55	0.30-1.25	0.12-0.65
Q460NH	0.12	0.65	1.50	0.025	0.030	0.20-0.55	0.30-1.25	0.12-0.65
Q500NH	0.12	0.65	2.0	0.025	0.030	0.20-0.55	0.30-1.25	0.12-0.65
Q550NH	0.12	0.65	2.0	0.025	0.030	0.20-0.55	0.30-1.25	0.12-0.65
Q265GNH	0.12	0.10-0.40	0.20-0.50	0.07-0.12	0.020	0.2-0.45	0.30-0.65	0.25-0.50
Q295GNH	0.12	0.10-0.40	0.20-0.50	0.07-0.12	0.020	0.25-0.45	0.30-0.65	0.25-0.50
Q310GNH	0.12	0.25-0.75	0.20-0.50	0.07-0.12	0.020	0.25-0.55	0.30-1.25	0.65
Q355GNH	0.12	0.20-0.75	1.00	0.07-0.15	0.020	0.25-0.55	0.30-1.25	0.65
Q345GNHL	0.12	0.25-0.75	0.20-0.50	0.07-0.15	0.035	0.25-0.55	0.30-0.65	0.65
Q295GQR2	0.12	0.10-0.40	0.20-0.50	0.06-0.12	0.020	0.25-0.45	0.30-0.65	0.25-0.5
Q295GQR3	0.12	0.20-0.40	0.25-0.55	0.06-0.12	0.020	0.25-0.50	---	---
Q345NQR2	0.12	0.25-0.75	0.20-0.50	0.06-0.12	0.020	0.25-0.50	0.3-1.25	0.12-0.65
Q345NQR3	0.12	0.20-0.50	0.25-0.70	0.06-0.12	0.020	0.25-0.50	---	---
Q400NQR1	0.12	0.75	1.10	0.025	0.008	0.25-0.55	0.3-1.25	0.12-0.65
Q450NQR1	0.12	0.75	1.50	0.025	0.008	0.25-0.55	0.3-1.25	0.12-0.65
Q500NQR1	0.12	0.75	2.00	0.025	0.008	0.25-0.55	0.3-1.25	0.12-0.65
Q550NQR1	0.16	0.75	2.00	0.025	0.008	0.25-0.55	0.3-1.25	0.65

Product parameters

Carbon content (wt.%)	Microstructure	Properties	Examples
Low-carbon steel	< 0.25	Ferrite, pearlite	Low hardness and cost. High ductility, toughness, machinability and weldability	AISI 304, ASTM A815, AISI 316L
Medium-carbon steel	0.25 – 0.60	Martensite	Low hardenability, medium strength, ductility and toughness	AISI 409, ASTM A29, SCM435
High-carbon steel	0.60 – 1.25	Pearlite	High hardness, strength, low ductility	AISI 440C, EN 10088-3

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Q1:How to choose the best metal material supplier in China?

A1:Your metal material supplier should provide you with the best solution in a timely manner.

They should provide competitive prices and high-quality services to support your project

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Q2:What is the minimum order quantity for steel?

A2:If samples are in stock, the minimum order quantity will be even less. Customization for small sizes is also possible.
For custom orders, the minimum trial order quantity is 100 kilograms.

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Q3:How to ensure the quality of metal materials?

A3:According to customer requirements, we ensure that the testing meets international standards and provide material certificates.

We have advanced testing equipment to analyze the metal composition and ensure the high quality of finished metal materials.

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Q4:Can you help us provide samples?

A4:We have a large inventory of high-quality metal materials. If the sample you requested is the same in our inventory, we will deliver it free of charge through international express delivery.

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Q5:How To Avoid The Damage Of Goods During Shipment?

A5:Checking and packaging your goods well before shipment.
Do reinforce your goods well in the container.
Discussing with our shipping agent and loading a reasonable amount of goods in the container.

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Q6:What documents and certificates can you provide?

A6:We can provide all the documents required for customs clearance and registration (MSDS, product formulations, COA, assessment reports, etc.). Free trade certificates, SGS,ISO9001 FDA certification, etc. are not a problem. Please feel free to contact us.

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Q7:Can we visit the source factory ourselves?

A7:Of course, before placing an order, we can provide a detailed description of the factory's production environment. During the product production process, we have dedicated personnel to supervise the production process and issue product inspection reports. If you need to visit the factory in person, we will provide reception services, but you need to sign the order commission agreement in advance.

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