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JIS G3429 Seamless Steel Tubing For Gas Cylinder

JIS G3429 seamless steel tubing for gas cylinder

JIS G3429, specification for seamless steel tube for High pressure gas vessel or container. It covers 5 grades of seamless gas pipe for high pressure purpose.

Grade: STH11, STH12, STH21, STH22

Outer Dimensions: 19.05mm ~ 114.3mm

Wall Thickness:2.0mm ~ 14 mm

Length: max 16000mm

Application:High pressure gas cylinder with excellent crush resistance, original tube for liquefied gas container.

Classification	Symbol of
Mn steel pipe	STH 11, STH12
Cr-Mo steel tube	STH21, STH22
Ni-Cr-Mo steel tubing	STH 31

JIS G3429 tubing Chemical composition:( %)

Grade	C	Si	Mn	P	S	Ni	Cr	Mo
STH11	≤0.50	0.10-0.35	≤1.80	≤0.035	≤0.035	/	/	/
STH12	0.30-0.41	0.10-0.35	1.35-1.70	≤0.030	≤0.030	/	/	/
STH21	0.25-0.35	0.15-0.35	0.40-0.90	≤0.030	≤0.030	≤0.25	0.8-1.2	0.15-0.30
STH22	0.33-0.38	0.15-0.35	0.40-0.90	≤0.030	≤0.030	≤0.25	0.8-1.2	0.15-0.30
STH31	0.35-0.40	0.10-0.50	1.20-1.50	≤0.030	≤0.030	0.5-1.0	0.3-0.6	0.15-0.25

JIS G3429 pipe tolerances:

Outside diameter	Wall thickness	Length	Wall thickness disparity
1%	+30%	>+30mm	Within 20% of the nominal wall thickness

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FAQ:

Q: Are you trading company or manufacturer?

A: We are a professional steel pipes materials manufacturer.

Q: How long is your delivery time?

A: Generally it takes 7-14 days if the goods are in stock or 30-60 days if there is no stock, this mainly depends on quantity.

Q: Do you provide free sampleas?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us.

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Categories	Seamless Steel Tube
Brand Name:	TORICH
Model Number:	JIS G3429
Place of Origin:	CHINA
Payment Terms:	L/C, D/A, D/P, T/T, Western Union, MoneyGram
Delivery Time:	35-45days
Packaging Details:	In wooden boxes or hexagonal bundles in seaworthy packing
Product Name:	JIS G3429 seamless steel tubing for gas cylinder
Model No:	JIS G3429
Technique:	Cold Drawn
Surface Treatment:	Oiled
Type:	Seamless
Alloy Or Not:	Not Alloy
Section Shape:	Round
Application:	For Boilers,Superheaters,Steam Linepipes Of Boilers