P690QL1

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China 舞钢Q/WTB P690QL1 LPG船储罐用P690QL1钢板补充技术协议 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: P690QL1 / P690QL1

Category	Grade	Standard	Region/Area	Standard Content
Metals	P690QL1	WYJ 422-1	China	LPG船储罐用P690QL1钢板补充技术协议

Chemical composition(mass fraction)(wt.%) of the P690QL1

Element	Min	Max	Similar
V	-	0.1200	-
Ti	-	0.0500	-
Nb	-	0.0600	-
B	-	0.0030	-
N	-	0.0150	-
Mo	-	0.7000	-
Cu	-	0.3000	-
Cr	-	1.5000	-
Ni	-	2.5000	-
S	-	0.0100	-
P	-	0.0250	-
Mn	-	1.7000	-
Si	-	0.8000	-
C	-	0.1800	-

Mechanical Properties of steel grade P690QL1

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
817 (≥)	451 (≥)	23	44	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	141

Physical Properties of steel grade P690QL1

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
21	-	-			0.42	-
549	763	-	12.3	242		-
576	-	42	43.2			143	414

Heat Treatment of steel grade P690QL1

Heat treated : 1737°C - 1746°C

Technological Curves of steel grade P690QL1

No Curve

Cross Reference Table (Equivalent Grade) of P690QL1

Grade	Standard	Country	Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1

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Rfq.: sales@longhaisteel.com

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