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Steel Grade: ASTM W210 Commerial

CHEMICAL COMPOSITION(W210 Commerial):  C(％) :         ② Si(％) :        0.10～0.40 Mn(％) :         0.10～0.40 Cr(％):         0.03 V(％):         0.03

HARDNESS AND HEAT TREATMENT (W210 Commerial): Initial Forging Temperature/℃:         980～1070 Finish Forging Temperature/℃:        820 Annealing/℃:        760～790 Hardness HBS|After Annealing :         159～202 Quenching/℃:        770～840 Quenching Medium:        Brine or Water Tempering/℃:         150～340 Hardness HBS|After Tempering:         65～50

Remark(W210 Commerial): 
①, It will be used this temperature if the ω(C) is between 0.50％～1.25％, it should be used the lower limit temperature if the ω(C) is between 1.25％～1.40％.
②, It will be used 740～760℃ if the ω(C) is between 0.60％～0.90％, it should be used 760～790℃ if the ω(C) is between 0.90％～1.40％.
③, It will be used 790～840℃ if the ω(C) is between 0.60％～0.80％, it should be used 770～840℃ if the ω(C) is between 0.85％～1.05％, it should be used 760～830℃ if the ω(C) is between 1.10％～1.40％.
④, The chemical composition which have parenthesis means Si＋Mn＋Cr≤0.75％.
⑤, The AISI W108、W109、W110、W112 are same as UNS T72301, the AISI W209、W210 are same as UNS T72302, the AISI W5 is same as UNS T72305.
⑥, The composition of P,S and residual elements is follow: P≤0.025％；S≤0.025％；Cu≤0.20％.
Please find the PDF for W210 Commerial  

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Introduction Cemented Carbide (W210 Commerial)
Cemented carbide is made of refractory metal hard compound and binding metal through powder metallurgy technology made of an alloy material.
Cemented carbide with high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and a series of excellent properties, especially its high hardness and wear resistance, even under the temperature of 500 ℃ is basic remains the same, there are still very high hardness at 1000 ℃.

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