All Steel 20mm

All Steel 20mm: A Fantastic Option for a Strong and Reliable Construction Material

When it comes to building or constructing anything, the choice of material plays a vital role. In today's world, steel has emerged as the most popular and durable option for construction. Among the various types of steel available in the market, All Steel 20mm stands out as an excellent choice.

All Steel 20mm is a high-quality steel material that is known for its strength, durability, and reliability. It is an excellent option for construction, manufacturing and industrial purposes. The steel is made to undergo advanced technological processes that ensure its resistance against wear and tear.

One of the most significant advantages of using All Steel 20mm is its high tensile strength. It means that it can bear higher loads and pressures without deforming or breaking. As a result, this steel material is particularly useful in constructions that require high-stress handling such as bridges, highways, and industrial plants, among others.

All Steel 20mm is also fire-resistant, making it an ideal choice for building homes, hospitals, and other public places. The steel is built to withstand sudden changes in temperature without losing its properties, making it safe and reliable.

Another great benefit of using All Steel 20mm is its longevity. This steel material is incredibly durable and does not rust, corrode or degrade over time. Hence, it is an excellent investment because it significantly increases the lifespan of any construction.

In conclusion, All Steel 20mm is a high-quality steel material that offers excellent advantages for construction purposes. It is strong, reliable, and fire-resistant. Moreover, this steel material's longevity makes it a cost-effective choice for any construction project in the long run. So, if you're looking for a reliable and durable construction material, All Steel 20mm is undoubtedly the way to go!

ategory	Type	Steel grade	Standard	Country
Grades	Special Alloy	20Mn	GBT	China

Chemical composition (wt.%)

C(％)	Si(％)	Mn(％)	P(％)	S(％)	Cr(％)	Ni(％)
0.17-0.23	0.17-0.37	0.70-1.00	0.035	0.035	0.25	0.3
Cu(%)
0.25

Mechanical Properties

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
641 (≥)	249 (≥)	31	41	23	Solution & Aging, Ann, Ausaging, Q+T	112

Proof strength Rp0.2(MPa)	Tensile strength Rm(MPa)	Impact energy KV(J)	Elongation at fracture A(%)	Reduction in cross section on fracture Z(%)	As-Heat-Treated Condition	Brinell hardness(HBW)
814(≥)	499(≥)	43	11	32	Solution and Aging,Annealing,Ausaging,Q+T,etc	142

Physical properties of grade20Mn

Property	Density kg/dm3	Temperature T °C/F	Specific heat J/kgK	Thermal conductivity W/mK	Electric resistance µΩ·cm	Modulus of elasticity kN/mm2	Expansion rate
444(≥)	389(≥)	41	32	33	Solution and Aging,Annealing,Ausaging,Q+T,etc	443
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0)N/mm2	Creep rupture strength (10000h) (Rp1,0)N/mm2
141	998	641

Product type	Products	Dimension	Processes	Deliver Status
Plates/Sheets	Plates/Sheets	0.08-200mm(T)*W*L	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+

 

 

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