Hot Sale Round Bar Q390c Gr. 65 Fe590 E355 St52 St52-3 1.0060 1.0580 St6sp 1650 Alloy Steel Round Bar/Structural Alloy Steel

• Type: Round
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Composition: Alloys and Non-Ferrous Metals
• Technique: Hot Rolled
• Shape: Bar
• Surface Treatment: Black, Bright, Galvanized Coating
• Model NO.: Q390C Gr. 65 Fe590 E355 St52 St52-3 1.0060 1.0580
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
• Application: Structural Steel Bar, Tool Steel Bar, Die Steel Ba
• Transport Package: Standard Seaworthy Export Packaging or as Required
• Specification: 3000-9000mm
• Trademark: meide
• Origin: Shandong, China
• HS Code: 84802000
• Production Capacity: 1000 Ton/Month

Product Description

About products

1. Performance characteristics: high strength, enough plasticity and toughness, and good welding performance. Widely used in buildings, bridges, etc.
2. Chemical composition characteristics: low carbon steel (carbon content<0.2%); The main alloy element is Mn (the content is 1.25~1.5%).
3. Heat treatment is generally not required. 4. Common steel types are 16Mn, 15MnTi, etc

chemical composition

	C	Si	Mn	P	S	Cr	Ni	Cu	N
Q355B	≤0.24	≤0.55	≤1.6	≤0.035	≤0.035	≤0.3	≤0.3	≤0.4	≤0.012
Q355C	≤0.2	≤0.55	≤1.6	≤0.03	≤0.03	≤0.3	≤0.3	≤0.4	≤0.012
Q355D	≤0.2	≤0.55	≤1.6	≤0.025	≤0.025	≤0.3	≤0.3	≤0.4	≤0.012
Q390B	≤0.2	≤0.5	≤1.7	≤0.035	≤0.035	≤0.3	≤0.5	≤0.3	≤0.015
Q390C	≤0.2	≤0.5	≤1.7	≤0.03	≤0.03	≤0.3	≤0.5	≤0.3	≤0.015
Q390D	≤0.2	≤0.5	≤1.7	≤0.03	≤0.025	≤0.3	≤0.5	≤0.3	≤0.015
Q420B	≤0.2	≤0.5	≤1.7	≤0.035	≤0.035	≤0.3	≤0.8	≤0.3	≤0.015
Q420C	≤0.2	≤0.5	≤1.7	≤0.03	≤0.03	≤0.3	≤0.8	≤0.3	≤0.015
Q460C	≤0.2	≤0.6	≤1.8	≤0.03	≤0.03	≤0.3	≤0.8	≤0.55	≤0.015

 

Available Size(mm)

Flat Bar Size			Round Bar Size(mm)
Thickness	Width	Length	Diameter	Length
10-700	155-2200	2000-6000	20-200	3000-6000

 

Product Description

Steel Grade	CK10 S10C S12C 10#1010 15#1015 S15C S17C CK15 25#1025 S25C S28C 1040 40#S40C S43C C40 1045 45#S45C S48C C45 1050 50#S50C S53C C50 15Mn 1019 1020 1025 1040 1019 1008 1010 1015 1040 1045 1030 30#C30 CK30 S30C 1035 35#C35 CK35 S35C 1055 55#C55 CK55 S55C 1060 60#C60 CK60 S58C 1069 70#1070 C70 CK70 1064 1065 65#C67 CK67 1074 1075 75#C75 CK75 08F 1008 1010
Standard	AISI EN DIN GB JIS ASTM
Technique	Hot Rolled/ Forged/ Cold drawn
Alloy Or Not	Not-Alloy
Processing	Heat treatment: soft annealing, normalising, isothermal, spheroidising and stress relieving treatments, quenching and tempering Peeling
Tolerance	±1%
Processing Service	Bending, Welding, Decoiling, Cutting, Punching
Delivery Time	8-14days
Product Name	Carbon structural steel
Length	1-12m
Technology	Hot Rolled, Hot Forge, Cold Drawn
Process	Forging+Machining(if Need)+surface Treatment
MOQ	1 Ton
Diameter	6mm-800mm
Shape	Round. Square. Rectangular

mechanical behavior

condition	test temperature	tensile strength σb Mpa	Yield point σs Mpa	Elongation δ %	Impact absorbed energy KV2 J
Long wood and flat wood;t≤16		490~650	≥390	≥21
Long wood and flat wood; 16		490~650	≥380	≥21
Long wood and flat wood; ;40		490~650	≥360	≥20
Long wood and flat wood; 63		490~650	≥340	≥20
Long wood and flat wood; 100		450~620	≥320	≥19
· Long wood and flat wood; longitudinal ·	0°C				≥34

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