SHANXI XINRONG INTERNATIONAL TRADE CO.,LTD

cokes

cokes

Raw iron

Raw iron

Cokes

Casting cokes GB/T1996-94

Index			Grade	Grain size/mm
				＞40	＞25	25-40
Ash content%			Grade I Grade II Grade III	≤12.0 ≤13.5 ≤15.0
Sulfur content%			Grade I Grade II Grade III	≤0.60 ≤0.80 ≤1.00
Mechanical strength ?	Crush resistance strength	M25/%	Grade I Grade II Grade III	≥92.0 ≥88.0 ≥83.0		Negotiation between suppliers? and buyers
		M40/%	Grade I Grade II Grade III	≥80.0 ≥76.0 ≥72.0
	Abrasion Resistance strength	M10/%	Grade I Grade II Grade III	M25：≤7.0 M40：≤7.5 ≤8.5 ≤10.5
Reaction%			Grade I Grade II Grade III	≤30 ≤35 —		—
Strength after reaction%			Grade I Grade II Grade III	≥55 ≥50 —
Volatile matter%				≤1.8
Moisture content				4.0±1.0	5.0±2.0	≤12.0
Coke powder content				≤4.0	≤5.0	≤12.0
Note: % is the quality mark

Raw iron

Main raw iron products

Product specification	Material quality	Z14，Z18 above（Brand）	Remark
Raw iron for steelmaking	L40，L80（Brand）	GB717-82	We can produce the raw iron of special composition according to the requests of the users.
Raw iron for casting	Q10，Q12（Brand）	GB718-82

Raw iron for steelmaking（GB/T717-82）

Brand			L04	L08	L10
Chemical composition %	C		≥3.50
	Si		≥0.45	＞0.45-0.85	＞0.85-1.25
	Mn	Grade I	≤0.40
		Grade II	＞0.40-1.00
		Grade III	＞1.00-2.00
	P	Special grade	≤0.100
		Grade I	＞0.100-0.150
		Grade II	＞0.150-0.250
		Grade III	＞0.250-0.400
	S	Special grade	≤0.020
		Grade I	＞0.020-0.030
		Grade II	＞0.030-0.050
		Grade III	＞0.050-0.070

Casting raw iron（GB/T718-82）

Brand			Z34	Z30	Z26	Z22	Z18	Z14
Chemical composition %	C		＞3.3
	Si		＞3.20-3.60	＞2.80-3.20	＞2.40-2.80	＞2.00-2.40	＞1.60-2.00	＞1.25-1.60
	Mn	Grade I	≤0.50
		Grade II	＞0.50-0.90
		Grade III	＞0.90-1.30
	P	Grade I	≤0.06
		Grade II	＞0.06-0.10
		Grade III	＞0.10-0.20
		Grade IV	＞0.20-0.40
		Grade V	＞0.40-0.90
	S	Grade I	≤0.03					≤0.04
		Grade II	≤0.04					≤0.05
		Grade III	≤0.05					≤0.06

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