GB/T 8162 High-Pressure 34CrMo4 Gas Cylinder Tube

Cylinder tube

GB/T 8162 High-Pressure 34CrMo4 Gas Cylinder Tube

IMRI seamless tube is manufactured from premium-grade 34CrMo4 chromium-molybdenum alloy steel according to the Chinese National Standard GB/T 8162. Engineered for high-pressure gas containment applications, it delivers exceptional tensile strength, superior fatigue resistance, and reliable performance under extreme pressure cycles.

Email:

sales@imristeel.com

Phone:

+86 13646172523

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Product Detail

Packaging & Delivery

Product Detail

34CrMo4 gas cylinder tubes are designed for high pressure gas cylinders, gas storage containers and special industrial equipment.Its excellent mechanical properties, high-temperature creep resistance and corrosion resistance make it an ideal choice for LPG, CNG, industrial gas storage and transportation, etc.

Quick Details

Standard:

GB 182248 EN10297 EN10083-3

Grade:

34CrMo4

Thickness:

2.9-60mm

section shape:

Round

Outer Diameter:

Ф38-457

Place of origin:

Baotou, China(Mainland)

Function:

Structural support; High pressure sealing

Technique:

Hot Rolled, Seamless

Certification:

GB 182248 EN10297 EN10083-3

Surface Treatmen:

According to customers request

Alloy Or Not:

length:

1-12m

Supply Ability:

( 180.0000 )Ton/Tons per year

End:

Bevel; plain

Specification:

steel pipe

Brand:

Baotou steel

Application:

New energy storage and transportation; Medical gas supply safety

Tensile strength:

≥ 750 MPa

Chemistry Component

Grade	Chemical composition (mass fraction)/%
Grade	C	Si	Mn	P	S	P+S	Cr	Mo	V	Ni	Cu
37Mn	0.34~0.40	0.10~0.30	1.35~1.75	≤0.020	≤0.020	≤0.030	≤0.30	–	–	≤0.30	≤0.20
34Mn2V	0.30~0.37	0.17~0.37	1.40~1.75	≤0.020	≤0.020	≤0.030	≤0.30	–	0.07~0.12	≤0.30	≤0.20
30CrMo	0.26~0.34	0.17~0.37	0.40~0.70	≤0.020	≤0.020	≤0.030	0.80~1.10	0.15~0.25	–	≤0.30	≤0.20
35CrMo	0.32~0.40	0.17~0.37	0.40~0.70	≤0.020	≤0.020	≤0.030	0.80~1.10	0.15~0.25	–	≤0.30	≤0.20
34CrMo4	0.30~0.37	≤0.40	0.60~0.90	≤0.020	≤0.020	≤0.030	0.90~1.20	0.15~0.30	–	≤0.30	≤0.20
30CrMnSiA	0.28~0.34	0.90~1.20	0.80~1.10	≤0.020	≤0.020	≤0.030	0.80~1.10	≤0.10	–	≤0.30	≤0.20

Tensile test requirements

Grade	Recommended Heat Treatment System				Longitudinal Mechanical Properties
	Q		N		Tensile Strength/MPa	Yield Strength/MPa	Post-break Elongation/%	Strength of Impact
	Temp/℃	Coolant	Temp/℃	Coolant	Not less than			Test Temp/℃	Agv/J not less than
37Mn	820~860	Water	550~650	–	750	630	16	-50	27
34Mn2V	850~890	–	–	–	745	530	16	-20	27
30CrMo	860~900	Water,oil	490~590	Water,oil	930	785	12	-50	27
35CrMo	830~870	oil	500~600	Water,oil	980	835	12	-50	27
34CrMo4	830~870	oil	530~630	Water,oil	980	835	12	-50	27
30CrMnSiA	860~900	oil	470~570	Water,oil	1080	885	10	indoor temp	27

Packaging & Delivery

· Pipe End: Covered HDPE crash cap
· Packing: Hexagonal bundles or plain bundles not exceeding 2 tons each
· Special protection : For seamless tubes that require rust prevention, rust preventive oil or other rust preventive agents will be applied to the surface

Packaging & Shipping

· Minimum order quantity: 5 tons
· Price: FOB at Xin’gang port in Tianjin or CIF or CFR
· Payment: 30% deposit in advance, the balance against the copy of B/L; or 100% L/C, etc
· Lead Time: within 10-25 workdays normally
· Sample: Free sample is available.