27SiMn hot rolled steel round bars

Classification :

GB standard material 27SiMn belongs to the China, from the steel to the finished product, we have the perfect technology and many years of accumulation of experience, we can now produce products include steel coil, sheet, plate,round bar, square steel, steel wire, steel pipe, forgings, other...

Chemical composition(mass fraction)(wt.%) of the 27SiMn

Elements	Min.（≥）	Max.（≤）
C	0.24	0.32
Si	1.10	1.40
Mn	1.10	1.40
P	-	0.035
S	-	0.035
Cu	-	0.30
Cr	-	0.30
Ni	-	0.30
Mo	-	0.15

Mechanical properties of grade 27SiMn

Yield Rp0.2 (MPa)	Tensile Rm (MPa)	Impact KV (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	HBW
551 (≥)	144 (≥)	11	41	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	344

Physical properties of grade 27SiMn

Property	Density kg/dm3	Temperature T °C/F	Specific heat J / kgK	Thermal conductivity W/mK	Electric resistance µΩ·cm
375 (≥)	157 (≥)	33	32	31	Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2	-	-	-
397	975	844	-	-	-

27SiMn Range of products

Product type	Products	Dimension	Processes	Deliver Status
Plates / Sheets	Plates / Sheets	0.08-200mm(T)WL	Forging, hot rolling and cold rolling	Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar	Round Bar, Flat Bar, Square Bar	Φ8-1200mm*L	Forging, hot rolling and cold rolling, Cast	Black, Rough Turning, Shot Blasting,
Coil / Strip	Steel Coil /Steel Strip	0.03-16.0x1200mm	Cold-Rolled & Hot-Rolled	Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes	Seamless Pipes/Tubes, Welded Pipes/Tubes	OD:6-219mm x WT:0.5-20.0mm	Hot extrusion, Cold Drawn, Welded	Annealed, Solution and Aging, Q+T, ACID-WASHED

Equipment

Why Choose Us?
1)The products can be made completely according to the customer's requirements, and we have our own factory.
2)High quality product and good price.
3)Good Pre-sale、on sale and after sales service.
4)Short delivery time.
5)Exported all over the world, with rich experience.

Package

FAQ:
Q：Will you offer samples?
A：Yes. We will provide samples according to your needs and send them out within three days after receiving payment.
Q：Do you have the products in stock?
A：We have the products in stock. Also, we can produce for your order.
Q：Do you offer after-sales services?
A：Certainly. If you have any questions, please feel free to contact us. We shall certainly do it to your satisfaction.

Factory

The factory covers an area of nearly 60000 square meters and has processing equipment such as large shear machines, circular shear machines, straightening machines, annealing furnaces, punching and shearing lines. The company has not only established long-term strategic cooperation relationships with more than 600 domestic large and medium-sized enterprises such as FAW, China National Heavy Duty Truck Group, Sinopec, and Inspur Group. Our products are also exported to over 60 countries and regions in Europe, the Americas, the Middle East, Southeast Asia, and Australia. The products are widely used in industries such as mechanical manufacturing, electrical appliances, electronics, automobiles, insulation, molds, aerospace, military, construction, printing, food, etc

The company implements full process quality control, has a strict quality control system, and closely monitors every step of storage, inspection, and packaging. No negligence is allowed, and unqualified products are not allowed to enter the warehouse. The company has established detailed supplier records and regularly evaluates supply quality. We solemnly promise that if the service is not good, there will be rewards for reporting; If the quality exceeds the standard, the loss will be my package; If the quantity is incorrect, if one is missing, make up ten; If the product is not satisfactory, it will be returned unconditionally.

Round Steel