Drill Collar

Category：

Oil country tubular goods

Product: Drill Collar Standard:API SPEC 7-1 Steel grade:AISI 4145H Sizes:3 1/8" -- 11" Connected Type:NC, IF, REG

WhatsApp : +86-15275668090

Email : Lily@wxjingangsteel.com

Message

Packing and delivery

The company supplies various types of steel, with a wide range of products, including but not limited to: Ductile iron pipes: cast iron pipes with high strength and high toughness, widely used in water supply, drainage and other fields. Steel plates and steel coils: raw materials suitable for a variety of industrial fields, with stable quality and complete specifications. Steel pipes: including hot-rolled, seamless and other types of steel pipes to meet different engineering needs.

Customer visit

Application Areas

WHY CHOOSE US

Professional team

A professional sales team that is proficient in market dynamics and provides you with the latest market analysis

QUALITY ASSURANCE

Our steel products are of high quality and reasonably priced, and can meet the needs of different customers

Adequate supply

We have extensive resource channels to ensure stable supply

Efficient logistics

An efficient logistics system ensures that goods arrive on time

After-sales service

High-quality after-sales service to solve your worries

FAQ

Q: Do you accept the third party inspection?

A: Yes absolutely we accept.

Q: Do you provide the samples? Free or Extra?

A: The cost of the samples is according to the value.The cost of the freight is necessary.

Q: Do you have large amount of steel products in stock?

A: Yes , we have a large-scale indoor warehouse with perennial spot stocks totally above 200000 tons.

Q: What is your delivery time and the supply ability?

A:The delivery time normally within 15~28working days,we can supply about 10,000tons every month.

Q: How to order?

A: Buyer sends the enquery --> Buyer gets the quotation --> Order confirmation --> Buyer send the deposit --> Seller prepares goods --> Seller makes the strict inspection --> Buyer Arranges Balance Payment --> packing and delivery

Q: How can you ensure the quality of your product?

A: All products have to go through three checks in the whole manufacturing process,it includes production and Random Testing in warehouse and Before Shipping.

Oil country tubular goods

Standard	Number	OD (in.)	ID (in.)	Length (ft)	Weight (lb/ft)	Typical Bending Strength Ratio
SY5144-2007/API7-1	NC 23-31	3-1/8	1-1/4	30	22	2.57:1
	NC 26-35 (2-3/8 IF)	3-1/2	1-1/2	30	27	2.42:1
	NC 31-41 (2-7/8 IF)	4-1/8	2	30 or 31	34	2.43:1
	NC 35-47	4-3 /4	2	30 or 31	47	2.58:1
	NC 38-50 (3-1/2 IF)	5	2-1/4	30 or 31	54	2.38:1
	NC 44-60	6	2-1/4	30 or 31	83