TORICH Seamless Carbon Mild 300mm Large Diameter ST37 15Mo3 High Pressure 4 Inch C45 Heavyr-caliber Heavy Thick Wall Steel Pipe

TORICH Seamless Carbon Mild 300mm Large Diameter ST37 15Mo3 High Pressure 4 Inch C45 Heavyr-caliber Heavy Thick Wall Steel Pipe

Outside Diameter: 20 – 300 mm

Wall Thickness: 5– 25 mm

Tolerances:
OD:
D 5 – 10 mm: ± 0.15 mm
D 11 – 30 mm: ± 0.30 mm
D 32 – 50 mm: ± 0.40 mm
D 51 – 140 mm: ± 0.8%
WT:
S 0.4 – 1 mm: ± 0.12 mm
S 1.2 – 5 mm: ± 10%
S 5.5 – 12 mm: ± 8%

Notes:
1. Steel grades: 10, 20, 35, 45, 10Mn2, 15Cr, 20Cr, 40Cr, 30CrMnSi, 15CrMo acc. to GOST 1050-88, GOST 19281-89, GOST 4543-71. Others steel grades are available subject to agreement.
2. Dimensions and tolerances acc. to GOST 8734-75.
3. Technical requirements acc. to GOST 8733-74.
4. Length from 1.5 to 11.5 m depending on diameter and wall thickness. 

For petroleum geologic drilling

Q: Are you trading company or manufacturer ?

A: We are factory.

Q: How long is your delivery time ?

A: It is according to quantity. And usually is 35-50 days after receiving 30% T/T in advance.

Q: How to get the sample of thick wall tube ?

A: 

1.You are requested to pay for sample charges and courier charges from China to your country; and the free sample is according the product like size, steel grade and quantity, please consult our sales for details
2.Sample charges will be refunded when order is placed.

Q: What is your terms of payment ?

A: 

1.T/T: 30% deposit in advance, the balance 70% paid before shipment