|Type||GOST 17379 Steel Seamless Cap 20|
|Wall thickness||Sch 10- Sch xxs|
|Surface||Anti rust black painted, anti rust oil teated, galvanized|
|Material||Carbon steel: ASTM A106 GRB/ A53 GRB/ API 5L GRB/A335/ST37/ST52 Alloy steel: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP 911 Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H|
|Standards||ASME/ANSI B16.9/B16.11/B16.28 MSS SP-43/SP-83 GOST17379-2001 JIS B2311/B2313/B2316 DIN2605 BS1740.1,BS1965 ,BS1640,BS3799|
1. Raw Material Inspection:
Before starting production,we check the chemical composition, mechanical properties, weight and quality assurance certificate of raw materials.
2. Semi-finished Goods & Finished Goods Inspection
During the production, we conduct dimension and tolerance tests, physical and chemical tests, magnetic leakage and ultrasonic inspection.
3. Inspection before Leaving Factory
We have professional QC staff to carry out quality and packing inspection each time before delivery. The related salesman will work with QC staff to make sure we conduct every step strictly to meet our customers’ requirements.
We can cooperate with our customer or the third party to conduct additional inspections, such as BV, SGS, TUV and so on .
Packing and Shipping
1. Packing Method
Normal packing: plastic film or bubble paper wrapped on product's surface with wooden cases or plywood pallets.
Customization is also available.
2. Shipping Method
Usually by sea, by air, by train or river-and-sea coordinated transport.
1. Payment Term: 30% down payment by T/T and 70% balance before shippment.
2. We accept SGS inspection before shippment.
3. Free samples can be sent.